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Single Mode 2x2 Fused Fiber Optic Couplers/Taps 


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Single Mode 2x2 Fused Fiber Optic Couplers/Taps 

Features

  • Operating Wavelengths from 488 - 1550 nm
  • OCT-Proven Broadband Couplers Centered at 850 nm or 1310 nm
  • Optically Reversible
  • 99:1 Coupling Ratio for use as a Signal Tap
  • Polarization Insensitive
  • 1 m Long Fiber Leads with 900 µm Loose Jacket
  • Contact Us for Custom Wavelength and Connector Options, Typically Ship Same Day

Thorlabs offers single mode 2x2 fiber couplers with center wavelengths from 488 - 1550 nm. These couplers are available with 50:50, 90:10, or 99:1 split ratios. Additionally, these couplers are bidirectional, allowing any one of the ports to be used as an input port. The FC850 and FC1310 series are broadband couplers that have been designed and tested for Optical Coherence Tomography (OCT) systems. Our couplers are offered with FC/PC connectors, FC/APC connectors, or unterminated.  If a custom connector configuration is needed please contact your local Thorlabs office. For small orders same day turn around is possible if the order is placed before 12pm EST. All fibers have a 900 µm diameter loose jacket.

Refer to the Coupling Example tab above for application details.

Alternative Fiber Coupler Options

SM 2x2 CouplersSM 1x4 CouplersMM 1x2 CouplersPM 1x2 CouplersRGB Combiner

General Operation

In the diagram below, a 90:10 2x2 coupler is shown schematically. Since the coupler is bidirectional, either end of the coupler may be used as the input (i.e., either end A or end B). Any one of the four fibers may be used as a single input. On the other end of the coupler, one fiber will have 10% of the input signal, while the other fiber will have 90% of the signal. While the fibers are color-coded, these are for user identification within a setup and do not indicate particular input or output ports.

90:10 Coupler Example

Specific Coupling Examples

2x2 CouplerPicture

Figure does not represent a specific coupling ratio, for demonstrational purposes only.

In the example below, a 10202A 2x2 Coupler is used with Signal A at a wavelength of 1550 nm and Signal B at a wavelength of 1540 nm. Please refer to the picture above for port numbers and signal paths. Expected output is summarized in the table below for various setups.

One Port Signal Tapping of Signal A

Coupling RatioInput SignalOutput Signal
PortPowerPortPowerPortPower
50/50110 dBm36.2 dBm46.2 dBm
90/10110 dBm3-2.7 dBm49.2 dBm
99/1110 dBm3-11.6 dBm49.6 dBm

Two Port Signal Mixing of Signals A and B

Coupling RatioInput SignalOutput Signal
PortPowerPortPowerPortPowerPortPower
50/5015 dBm28 dBm3Signal A: 1.2 dBm
Signal B: 4.2 dBm		4Signal A: 1.2 dBm
Signal B: 4.2 dBm
99/115 dBm28 dBm3Signal A: -16.6dBm
Signal B: 7.6dBm		4Signal A: 4.6dBm
Signal B: -13.6 dBm

Coupling a Return Signal with a Reflector on Port 3 of Signals A and B

Coupling RatioInput SignalOutput Signal
PortPowerPortPowerPortPowerPortPower
90/1016 dBm
Reflected Signal A:
-19.4 dBm		20 dBm
Reflected Signal A:
-7.5 dBm		3Signal A: -6.7 dBm
(reflected back into coupler)		4Signal A: 5.2 dBm
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Posted Comments:
Poster: jlow
Posted Date: 2013-01-14 13:07:00.0
Response from Jeremy at Thorlabs: Yes we could do this. I will get in contact with you directly for a quote.
Poster: jirawat
Posted Date: 2013-01-09 03:39:31.983
I need to Fiber Optic Couplers 2X2 SM Coupler, 532 ± 15 nm, 50:50 Split, Input connectors FC/APC Output connectors FC/PC Could you build its? Please quote the quotation for me.
Poster: jlow
Posted Date: 2012-11-09 15:02:00.0
Response from Jeremy at Thorlabs: We do not currently have any 80µm coupler. I will get in contact with you to discuss about your requirements further.
Poster: Paul.smith
Posted Date: 2012-11-06 10:03:33.59
The SM optical couplers described on the website are similar to what we use currently here at nLIGHT, however I could not find any describing use of 80u cladding fiber. Is it possible to have a 90 - 10 80u cladding fiber tap/couplers made if it's not off the shelf? Thank you, Paul Smith Engineering Technician nLIGHT Photonics 360-980-1655
Poster: tcohen
Posted Date: 2012-09-20 12:16:00.0
Response from Tim at Thorlabs: The FC532-99B-FC uses 460HP fiber. We will see attenuation from this fiber but out of band use will also significantly change the coupling ratio for single mode couplers. As you will have two separate wavelengths both will contribute different coupling ratios to each of the output legs. I will contact you to discuss this further with your specific wavelengths.
Poster: p.dantonio
Posted Date: 2012-09-19 05:02:13.0
Hi, we'd like to use this product for collecting a FITC fluorescence, so we'd like to couple a 518 nm signal and to cut-off (if possible) a 488 nm line. What are the respective attenuation? thank you.
Poster: bdada
Posted Date: 2011-12-13 12:25:00.0
Response from Buki at Thorlabs: We will contact you to discuss your application further. However, it sounds like you may want a WDM (Wavelength Division Multiplexer): http://www.thorlabs.com/NewGroupPage9.cfm?ObjectGroup_ID=375 A WDM can be used to combine or separate multiple single mode wavelengths. The closest to your request is WD202A, which is designed for 980nm and 1550nm. We will contact you directly to continue this discussion.
Poster: fww
Posted Date: 2011-12-12 20:32:19.0
Dear, I would like to order this product to couple 800 nm and 1550 nm. The coupling ratio is 99:1. What is the price? Do you offer 1x2 single mode couplers which can couple 800 nm and 1550 nm ? Best Wei
Poster: bdada
Posted Date: 2011-09-21 12:46:00.0
Response from Buki at Thorlabs: We have contacted you with some drawings that show how the light splits when it enters each input. We will also look into how to clarify the diagrams on our website. Please contact TechSupport@thorlabs.com if you have further questions.
Poster: c2hollow
Posted Date: 2011-09-08 14:23:44.0
on my 10202A-50-FC fiber coupler, the inputs are white and red and the outputs are white and blue. What is the significance of the colours? Assuming no coupling, would light entering on the white fiber end up on the blue or white fiber on the other end?
Poster: Greg
Posted Date: 2010-10-01 08:45:45.0
A response from Greg at Thorlabs to xiaodi: The performance of our 2x2 single mode couplers drops off significantly outside of the operating range. I will contact you directly with further details.
Poster: xiaodi
Posted Date: 2010-09-30 22:12:20.0
I want to know the attenuation and the change of the the 50-50 coupling ratio of it.because the our wavelength is 630-800,and the most of it is 700-800,so i want to know the efficient of it .Looking forward to your reply.
Poster: Thorlabs
Posted Date: 2010-08-02 17:23:04.0
Response from Javier at Thorlabs to Jacquis: Thank you for your feedback. You are correct. We will update the information on the web shortly.
Poster:
Posted Date: 2010-08-01 12:38:16.0
error in coupling example: two port mixing 50/50. Signal A at ports 3&4 should be 1.2 dBm instead of 1.8 dBm. Best regards. Jacquis
Poster: Laurie
Posted Date: 2009-02-26 08:20:54.0
Response from Laurie at Thorlabs to venugopal486: Thank you for your interest in our products. These couplers are designed for use in the 850 +/- 40 nm range. Your broadband Ti:Sapphire Oscillator likely provides output in this range but also has output at other wavelengths outside of this range. For wavelengths outside of the couplers bandwidth, the 50-50 coupling ratio with be altered and attenuation is likely to occur. These couplers have not been designed for use with femtosecond sources, and thus, we do not currently have information on their performance for such sources. We rate this item for use with powers up to 300 mW, although we do have customer feedback indicating that they have been used suggessfully with output powers up to 500 mW. I hope that this additional information helps you decide whether this coupler is appropriate for your application. Please feel free to contact us if youd like to discuss any of these points in more detail.
Poster: venugopal486
Posted Date: 2009-02-24 19:37:47.0
can we use FC850-40-50 with a Broadband Ultra fast Ti:Sapphire Oscillators which has a typical output power of 450mW.
Poster: Laurie
Posted Date: 2008-12-03 11:07:18.0
Response from Laurie at Thorlabs to alison.carr: Thank you for your feedback. We actually do not have a manual for the FC632-90B. However, I believe that what you are inquiring about is the sheet that ships with this item. The port information that you need is the following: Input - 2 white, Output - 1 white and 1 blue.
Poster: alison.carr
Posted Date: 2008-11-25 16:54:19.0
You took the manuals for these parts off the web and I lost mine in a lab move. I need to know which ports are which and I cant do that without it.
Poster: Laurie
Posted Date: 2008-09-05 13:55:50.0
Response from Laurie at Thorlabs to kslee: Thank you for your question. At this time, we do not offer any 1 x 2 single mode fiber couplers.
Poster: kslee
Posted Date: 2008-09-05 10:37:07.0
Do you have a 1 by 2 fiber coupelrs for braodband at 1310nm?
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488 nm Fiber Optic Couplers
  • Center Wavelength: 488 nm
  • Wavelength Range ±15 nm
  • 1 m Long Fiber Leads
  • Operating Temperature: -40 to 85 °C

Thorlabs' FC488 2x2 single mode fiber couplers are designed for operation at 488 ± 15 nm. They are available in 50:50, 90:10, and 99:1 coupling ratios with FC/PC or FC/APC connectors. The fiber type for each coupler is listed on the pdf drawing, found by clicking on the red documents link next to each part number.

Item #Center
Wavelength		Wavelength RangeCoupling RatioInsertion
Loss (dB)		Excess LossPolarization
Dependent
Loss (PDL)		Directivity
Termination
FC488-50B-FC 488 nm ±15 nm 50:50 4.0 / 4.0 1.0 dB <0.22 dB >50 dB FC/PC
FC488-50B-APC ±15 nm 50:50 4.0 / 4.0 1.0 dB <0.22 dB >50 dB FC/APC
FC488-90B-FC ±15 nm 90:10 11 / 1.2 1.0 dB <0.22 dB >50 dB FC/PC
FC488-90B-APC ±15 nm 90:10 11 / 1.2 1.0 dB <0.22 dB >50 dB FC/APC
FC488-99B-FC ±15 nm 99:1 21 / 0.7 1.0 dB <0.22 dB >50 dB FC/PC
FC488-99B-APC ±15 nm 99:1 21 / 0.7 1.0 dB <0.22 dB >50 dB FC/APC
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FC488-50B-FC Support Documentation FC488-50B-FC 2x2 SM Coupler, 488 ± 15 nm, 50:50 Split, FC/PC $360.00
Today
FC488-50B-APC Support Documentation FC488-50B-APC 2x2 SM Coupler, 488 ± 15 nm, 50:50 Split, FC/APC $400.00
Today
FC488-90B-FC Support Documentation FC488-90B-FC 2x2 SM Coupler, 488 ± 15 nm, 90:10 Split, FC/PC $360.00
Today
FC488-90B-APC Support Documentation FC488-90B-APC 2x2 SM Coupler, 488 ± 15 nm, 90:10 Split, FC/APC $400.00
Today
FC488-99B-FC Support Documentation FC488-99B-FC 2x2 SM Tap, 488 ± 15 nm, 99:1 Split, FC/PC $360.00
Today
FC488-99B-APC Support Documentation FC488-99B-APC 2x2 SM Tap, 488 ± 15 nm, 99:1 Split, FC/APC $400.00
Today
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532 nm SM Fiber Optic Couplers
  • Center Wavelength: 532 nm
  • Wavelength Range ±15 nm
  • 1 m Long Fiber Leads
  • Operating Temperature: -40 to 85 °C

Thorlabs' FC532 2x2 single mode fiber couplers are designed for operation at 532 ± 15 nm. They are available in 50:50, 90:10, and 99:1 coupling ratios with FC/PC or FC/APC connectors. The fiber type for each coupler is listed on the pdf drawing, found by clicking on the red documents link next to each part number.

Item #Center
Wavelength		Wavelength RangeCoupling RatioInsertion Loss (dB)Excess LossPolarization
Dependent
Loss (PDL)		Directivity
Termination
FC532-50B-FC 532 nm ±15 nm 50:50 4.0 / 4.0 1.0 dB <0.22 dB >50 dB FC/PC
FC532-50B-APC ±15 nm 50:50 4.0 / 4.0 1.0 dB <0.22 dB >50 dB FC/APC
FC532-90B-FC ±15 nm 90:10 11 / 1.2 1.0 dB <0.22 dB >50 dB FC/PC
FC532-90B-APC ±15 nm 90:10 11 / 1.2 1.0 dB <0.22 dB >50 dB FC/APC
FC532-99B-FC ±15 nm 99:1 21 / 0.7 1.0 dB <0.22 dB >50 dB FC/PC
FC532-99B-APC ±15 nm 99:1 21 / 0.7 1.0 dB <0.22 dB >50 dB FC/APC
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FC532-50B-FC Support Documentation FC532-50B-FC 2x2 SM Coupler, 532 ± 15 nm, 50:50 Split, FC/PC $330.00
Today
FC532-50B-APC Support Documentation FC532-50B-APC 2x2 SM Coupler, 532 ± 15 nm, 50:50 Split, FC/APC $370.00
Today
FC532-90B-FC Support Documentation FC532-90B-FC 2x2 SM Coupler, 532 ± 15 nm, 90:10 Split, FC/PC $330.00
Today
FC532-90B-APC Support Documentation FC532-90B-APC 2x2 SM Coupler, 532 ± 15 nm, 90:10 Split, FC/APC $370.00
Today
FC532-99B-FC Support Documentation FC532-99B-FC 2x2 SM Tap, 532 ± 15 nm, 99:1 Split, FC/PC $330.00
Today
FC532-99B-APC Support Documentation FC532-99B-APC 2x2 SM Tap, 532 ± 15 nm, 99:1 Split, FC/APC $370.00
Today
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632 nm SM Fiber Optic Couplers
  • Center Wavelength: 632 nm
  • Wavelength Range ±15 nm
  • 1 m Long Fiber Leads
  • Operating Temperature: -40 to 85 °C

Thorlabs' FC632 2x2 single mode fiber couplers are designed for operation at 632 ± 15 nm. They are available in 50:50, 90:10, and 99:1 coupling ratios. For each ratio, choose from unterminated, FC/PC-connectorized, or FC/APC-connectorized ends. The fiber type for each coupler is listed on the pdf drawing, found by clicking on the red documents link next to each part number.

Item #Center
Wavelength		Wavelength RangeCoupling RatioInsertion Loss (dB)Excess LossPolarization
Dependent
Loss (PDL)		Directivity
Termination
FC632-50B 632 nm ±15 nm 50:50 3.7 / 3.7 0.7 dB <0.2 dB >55 dB No Connectors,
Scissor Cut
FC632-50B-FC ±15 nm 50:50 3.7 / 3.7 0.7 dB <0.2 dB >55 dB FC/PC
FC632-50B-APC ±15 nm 50:50 3.5 / 3.5 0.6 dB <0.2 dB >55 dB FC/APC
FC632-90B ±15 nm 90:10 11 / 1.0 0.7 dB <0.2 dB >55 dB No Connectors,
Scissor Cut
FC632-90B-FC ±15 nm 90:10 11 / 1.0 0.7 dB <0.2 dB >55 dB FC/PC
FC632-90B-APC ±15 nm 90:10 10.5 / 0.7 0.6 dB <0.2 dB >55 dB FC/APC
FC632-99B ±15 nm 99:1 22 / 0.6 0.7 dB <0.2 dB >55 dB No Connectors,
Scissor Cut
FC632-99B-FC ±15 nm 99:1 22 / 0.6 0.7 dB <0.2 dB >55 dB FC/PC
FC632-99B-APC ±15 nm 99:1 22 / 0.6 0.6 dB <0.2 dB >55 dB FC/APC
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FC632-50B Support Documentation FC632-50B 2x2 SM Coupler, 632 ± 15 nm, 50:50 Split, No Connectors $150.00
Today
FC632-50B-FC Support Documentation FC632-50B-FC 2x2 SM Coupler, 632 ± 15 nm, 50:50 Split, FC/PC $190.00
Today
FC632-50B-APC Support Documentation FC632-50B-APC 2x2 SM Coupler, 632 ± 15 nm, 50:50 Split, FC/APC $230.00
Today
FC632-90B Support Documentation FC632-90B 2x2 SM Coupler, 632 ± 15 nm, 90:10 Split, No Connectors $150.00
Today
FC632-90B-FC Support Documentation FC632-90B-FC 2x2 SM Coupler, 632 ± 15 nm, 90:10 Split, FC/PC $190.00
Today
FC632-90B-APC Support Documentation FC632-90B-APC 2x2 SM Coupler, 632 ± 15 nm, 90:10 Split, FC/APC $230.00
Today
FC632-99B Support Documentation FC632-99B 2x2 SM Tap, 632 ± 15 nm, 99:1 Split, No Connectors $150.00
Today
FC632-99B-FC Support Documentation FC632-99B-FC 2x2 SM Tap, 632 ± 15 nm, 99:1 Split, FC/PC $190.00
Today
FC632-99B-APC Support Documentation FC632-99B-APC 2x2 SM Tap, 632 ± 15 nm, 99:1 Split, FC/APC $230.00
Today
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780 nm Fiber Optic Couplers
  • Center Wavelength: 780 nm
  • Wavelength Range «15 nm
  • 1 m Long Fiber Leads
  • Operating Temperature: -40 to 85 °C

Thorlabs' FC780 2x2 single mode fiber couplers are designed for operation at 780 ± 15 nm. They are available in 50:50, 90:10, and 99:1 coupling ratios with FC/PC or FC/APC connectors. The fiber type for each coupler is listed on the pdf drawing, found by clicking on the red documents link next to each part number.

Item #Center
Wavelength		Wavelength RangeCoupling RatioInsertion Loss (dB)Excess LossPolarization
Dependent
Loss (PDL)		Directivity
Termination
FC780-50B-FC 780 nm ±15 nm 50:50 3.6 / 3.6 0.3 dB <0.2 dB >50 dB FC/PC
FC780-50B-APC ±15 nm 50:50 3.6 / 3.6 0.3 dB <0.2 dB >50 dB FC/APC
FC780-90B-FC ±15 nm 90:10 11 / 0.8 0.3 dB <0.2 dB >50 dB FC/PC
FC780-90B-APC ±15 nm 90:10 11 / 0.8 0.3 dB <0.2 dB >50 dB FC/APC
FC780-99B-FC ±15 nm 99:1 21 / 0.4 0.3 dB <0.2 dB >50 dB FC/PC
FC780-99B-APC ±15 nm 99:1 21 / 0.4 0.3 dB <0.2 dB >50 dB FC/APC
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FC780-50B-FC Support Documentation FC780-50B-FC Customer Inspired! 2x2 SM Coupler, 780 ± 15 nm, 50:50 Split, FC/PC $190.00
Today
FC780-50B-APC Support Documentation FC780-50B-APC 2x2 SM Coupler, 780 ± 15 nm, 50:50 Split, FC/APC $230.00
Today
FC780-90B-FC Support Documentation FC780-90B-FC Customer Inspired! 2x2 SM Coupler, 780 ± 15 nm, 90:10 Split, FC/PC $190.00
Today
FC780-90B-APC Support Documentation FC780-90B-APC 2x2 SM Coupler, 780 ± 15 nm, 90:10 Split, FC/APC $230.00
Today
FC780-99B-FC Support Documentation FC780-99B-FC Customer Inspired! 2x2 SM Tap, 780 ± 15 nm, 99:1 Split, FC/PC $190.00
Today
FC780-99B-APC Support Documentation FC780-99B-APC 2x2 SM Tap, 780 ± 15 nm, 99:1 Split, FC/APC $230.00
Today
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830 nm SM Fiber Optic Couplers
  • Center Wavelength: 830 nm
  • Wavelength Range ±15 nm
  • 1 m Long Fiber Leads
  • Operating Temperature: -40 to 85 °C

Thorlabs' FC830 2x2 single mode fiber couplers are designed for operation at 830 ± 15 nm. They are available in 50:50, 90:10, and 99:1 coupling ratios. For each ratio, choose from unterminated, FC/PC-connectorized, or FC/APC-connectorized ends. The fiber type for each coupler is listed on the pdf drawing, found by clicking on the red documents link next to each part number.

Item #Center
Wavelength		Wavelength RangeCoupling RatioInsertion Loss (dB)Excess LossPolarization
Dependent
Loss (PDL)		Directivity
Termination
FC830-50B 830 nm ±15 nm 50:50 3.5 /3.5 0.15 dB <0.2 dB >55 dB No Connectors,
Scissor Cut
FC830-50B-FC ±15 nm 50:50 3.5 / 3.5 0.15 dB <0.2 dB >55 dB FC/PC
FC830-50B-APC ±15 nm 50:50 3.5 / 3.5 0.15 dB <0.2 dB >55 dB FC/APC
FC830-90B ±15 nm 90:10 10.5 / 0.7 0.15 dB <0.2 dB >55 dB No Connectors,
Scissor Cut
FC830-90B-FC ±15 nm 90:10 10.5 / 0.7 0.15 dB <0.2 dB >55 dB FC/PC
FC830-90B-APC ±15 nm 90:10 10.5 / 0.7 0.15 dB <0.2 dB >55 dB FC/APC
FC830-99B ±15 nm 99:1 22 / 0.35 0.15 dB <0.2 dB >55 dB No Connectors,
Scissor Cut
FC830-99B-FC ±15 nm 99:1 22 / 0.35 0.15 dB <0.2 dB >55 dB FC/PC
FC830-99B-APC ±15 nm 99:1 22 / 0.35 0.15 dB <0.2 dB >55 dB FC/APC
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FC830-50B Support Documentation FC830-50B 2x2 SM Coupler, 830 ± 15 nm, 50:50 Split, No Connectors $150.00
Today
FC830-50B-FC Support Documentation FC830-50B-FC 2x2 SM Coupler, 830 ± 15 nm, 50:50 Split, FC/PC $190.00
Today
FC830-50B-APC Support Documentation FC830-50B-APC 2x2 SM Coupler, 830 ± 15 nm, 50:50 Split, FC/APC $230.00
Today
FC830-90B Support Documentation FC830-90B 2x2 SM Coupler, 830 ± 15 nm, 90:10 Split, No Connectors $150.00
Today
FC830-90B-FC Support Documentation FC830-90B-FC 2x2 SM Coupler, 830 ± 15 nm, 90:10 Split, FC/PC $190.00
Today
FC830-90B-APC Support Documentation FC830-90B-APC 2x2 SM Coupler, 830 ± 15 nm, 90:10 Split, FC/APC $230.00
Today
FC830-99B Support Documentation FC830-99B 2x2 SM Tap, 830 ± 15 nm, 99:1 Split, No Connectors $150.00
Today
FC830-99B-FC Support Documentation FC830-99B-FC 2x2 SM Tap, 830 ± 15 nm, 99:1 Split, FC/PC $190.00
Today
FC830-99B-APC Support Documentation FC830-99B-APC 2x2 SM Tap, 830 ± 15 nm, 99:1 Split, FC/APC $230.00
Today
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850 nm OCT Broadband Fiber Optic Couplers
  • Center Wavelength: 850 nm
  • Wavelength Range ±40 nm
  • 1 m Long Fiber Leads
  • Operating Temperature: -40 to 85 °C

The FC850-40 OCT-proven broadband couplers are polarization independent, passive, 2 x 2 single mode fiber optic components designed for use in the 810-890 nm range. An important consideration in the design of an OCT system is the flat spectral response of the components in the system. The fiber type for each coupler is listed on the pdf drawing, found by clicking on the red documents link next to each part number.

Item #Center
Wavelength		Wavelength RangeCoupling RatioInsertion Loss (dB)Excess LossPolarization
Dependent
Loss (PDL)		Directivity
Termination
FC850-40-50-APC 850 nm ±40 nm 50:50 4.2 / 4.2 =1.0 dB <0.2 dB >55 dB FC/APC
FC850-40-10-APC ±40 nm 90:10 0.9 / 13 =1.0 dB <0.2 dB >55 dB FC/APC
FC850-40-01-APC ±40 nm 99:1 0.5 / 22 =1.0 dB <0.2 dB >55 dB FC/APC
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FC850-40-50-APC Support Documentation FC850-40-50-APC 2x2 Broadband SM Coupler, 850 ± 40 nm, 50:50 Split, FC/APC $255.00
Today
FC850-40-10-APC Support Documentation FC850-40-10-APC 2x2 Broadband SM Coupler, 850 ± 40 nm, 90:10 Split, FC/APC $255.00
3-5 Days
FC850-40-01-APC Support Documentation FC850-40-01-APC 2x2 Broadband SM Coupler, 850 ± 40 nm, 99:1 Split, FC/APC $255.00
Lead Time
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980 nm SM Fiber Optic Couplers
  • Center Wavelength: 980 nm
  • Wavelength Range ±15 nm
  • 1 m Long Fiber Leads
  • Operating Temperature: -40 to 85 °C

Thorlabs' FC980 2x2 single mode fiber couplers are designed for operation at 980 ± 15 nm. They are available in 50:50, 90:10, and 99:1 coupling ratios. For each ratio, choose from unterminated, FC/PC-connectorized, or FC/APC-connectorized ends. The fiber type for each coupler is listed on the pdf drawing, found by clicking on the red documents link next to each part number.

Item #Center
Wavelength		Wavelength RangeCoupling RatioInsertion Loss (dB)Excess LossPolarization
Dependent
Loss (PDL)		Directivity
Termination
FC980-50B 980 nm ±15 nm 50:50 3.5 / 3.5 0.12 dB <0.15 dB >55 dB No Connectors,
Scissor Cut
FC980-50B-FC ±15 nm 50:50 3.5 / 3.5 0.12 dB <0.15 dB >55 dB FC/PC
FC980-50B-APC ±15 nm 50:50 3.5 / 3.5 0.12 dB <0.15 dB >55 dB FC/APC
FC980-90B ±15 nm 90:10 10.5 / 0.7 0.12 dB <0.15 dB >55 dB No Connectors,
Scissor Cut
FC980-90B-FC ±15 nm 90:10 10.5 / 0.7 0.12 dB <0.15 dB >55 dB FC/PC
FC980-90B-APC ±15 nm 90:10 10.5 / 0.7 0.12 dB <0.15 dB >55 dB FC/APC
FC980-99B ±15 nm 99:1 22 / 0.35 0.12 dB <0.15 dB >55 dB No Connectors,
Scissor Cut
FC980-99B-FC ±15 nm 99:1 22 / 0.35 0.12 dB <0.15 dB >55 dB FC/PC
FC980-99B-APC ±15 nm 99:1 22 / 0.35 0.12 dB <0.15 dB >55 dB FC/APC
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FC980-50B Support Documentation FC980-50B 2x2 SM Coupler, 980 ± 15 nm, 50:50 Split, No Connectors $150.00
Today
FC980-50B-FC Support Documentation FC980-50B-FC 2x2 SM Coupler, 980 ± 15 nm, 50:50 Split, FC/PC $190.00
Today
FC980-50B-APC Support Documentation FC980-50B-APC 2x2 SM Coupler, 980 ± 15 nm, 50:50 Split, FC/APC $230.00
Today
FC980-90B Support Documentation FC980-90B 2x2 SM Coupler, 980 ± 15 nm, 90:10 Split, No Connectors $150.00
Today
FC980-90B-FC Support Documentation FC980-90B-FC 2x2 SM Coupler, 980 ± 15 nm, 90:10 Split, FC/PC $190.00
Today
FC980-90B-APC Support Documentation FC980-90B-APC 2x2 SM Coupler, 980 ± 15 nm, 90:10 Split, FC/APC $230.00
Today
FC980-99B Support Documentation FC980-99B 2x2 SM Tap, 980 ± 15 nm, 99:1 Split, No Connectors $150.00
Today
FC980-99B-FC Support Documentation FC980-99B-FC 2x2 SM Tap, 980 ± 15 nm, 99:1 Split, FC/PC $190.00
Today
FC980-99B-APC Support Documentation FC980-99B-APC 2x2 SM Tap, 980 ± 15 nm, 99:1 Split, FC/APC $230.00
Today
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1064 nm SM Fiber Optic Couplers
  • Center Wavelength: 1064 nm
  • Wavelength Range ±15 nm
  • 1 m Long Fiber Leads
  • Operating Temperature: -40 to 85 °C

Thorlabs' FC1064 2x2 single mode fiber couplers are designed for operation at 1064 ± 15 nm. They are available in 50:50, 90:10, and 99:1 coupling ratios. For each ratio, choose from unterminated, FC/PC-connectorized, or FC/APC-connectorized ends. The fiber type for each coupler is listed on the pdf drawing, found by clicking on the red documents link next to each part number.

Item #Center
Wavelength		Wavelength RangeCoupling RatioInsertion Loss (dB)Excess LossPolarization
Dependent
Loss (PDL)		Directivity
Termination
FC1064-50B 1064 nm ±15 nm 50:50 3.5 / 3.5 0.12 dB <0.2 dB >55 dB No Connectors,
Scissor Cut
FC1064-50B-FC ±15 nm 50:50 3.5 / 3.5 0.12 dB <0.2 dB >55 dB FC/PC
FC1064-50B-APC ±15 nm 50:50 3.5 / 3.5 0.12 dB <0.2 dB >55 dB FC/APC
FC1064-90B ±15 nm 90:10 10.5 / 0.7 0.12 dB <0.2 dB >55 dB No Connectors,
Scissor Cut
FC1064-90B-FC ±15 nm 90:10 10.5 / 0.7 0.12 dB <0.2 dB >55 dB FC/PC
FC1064-90B-APC ±15 nm 90:10 10.5 / 0.7 0.12 dB <0.2 dB >55 dB FC/APC
FC1064-99B ±15 nm 99:1 22 / 0.35 0.12 dB <0.2 dB >55 dB No Connectors,
Scissor Cut
FC1064-99B-FC ±15 nm 99:1 22 / 0.35 0.12 dB <0.2 dB >55 dB FC/PC
FC1064-99B-APC ±15 nm 99:1 22 / 0.35 0.12 dB <0.2 dB >55 dB FC/APC
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FC1064-50B Support Documentation FC1064-50B 2x2 SM Coupler, 1064 ± 15 nm, 50:50 Split, No Connectors $150.00
Today
FC1064-50B-FC Support Documentation FC1064-50B-FC 2x2 SM Coupler, 1064 ± 15 nm, 50:50 Split, FC/PC $190.00
Today
FC1064-50B-APC Support Documentation FC1064-50B-APC 2x2 SM Coupler, 1064 ± 15 nm, 50:50 Split, FC/APC $230.00
Today
FC1064-90B Support Documentation FC1064-90B 2x2 SM Coupler, 1064 ± 15 nm, 90:10 Split, No Connectors $150.00
Today
FC1064-90B-FC Support Documentation FC1064-90B-FC 2x2 SM Coupler, 1064 ± 15 nm, 90:10 Split, FC/PC $190.00
Today
FC1064-90B-APC Support Documentation FC1064-90B-APC 2x2 SM Coupler, 1064 ± 15 nm, 90:10 Split, FC/APC $230.00
Today
FC1064-99B Support Documentation FC1064-99B 2x2 SM Tap, 1064 ± 15 nm, 99:1 Split, No Connectors $150.00
Today
FC1064-99B-FC Support Documentation FC1064-99B-FC 2x2 SM Tap, 1064 ± 15 nm, 99:1 Split, FC/PC $190.00
Today
FC1064-99B-APC Support Documentation FC1064-99B-APC 2x2 SM Tap, 1064 ± 15 nm, 99:1 Split, FC/APC $230.00
Today
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1310 nm OCT Broadband Fiber Optic Couplers
  • Center Wavelength: 1310 nm
  • Wavelength Range ±70 nm
  • 1 m Long Fiber Leads
  • Operating Temperature: -40 to 85 °C

The FC1310-70 OCT-proven broadband couplers are polarization independent, passive, 2 x 2 single mode fiber optic components designed for use in the 1240-1380 nm range. An important consideration in the design of an OCT system is the flat spectral response of the components in the system. The fiber type for each coupler is listed on the pdf drawing, found by clicking on the red documents link next to each part number.

Item #Center
Wavelength		Wavelength RangeCoupling RatioInsertion Loss (dB)Excess LossPolarization
Dependent
Loss (PDL)		Directivity
Termination
FC1310-70-01-APC 1310 nm ±70 nm 99:1 0.4 / 21.6 <0.5 dB <0.15 >60 dB FC/APC
FC1310-70-10-APC ±70 nm 90:10 0.8 / 12.7 <0.5 dB <0.15 >60 dB FC/APC
FC1310-70-50-APC ±70 nm 50:50 3.8 / 3.8 <0.5 dB <0.15 >60 dB FC/APC
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
FC1310-70-01-APC Support Documentation FC1310-70-01-APC 2x2 Broadband SM Coupler, 1310 ± 70 nm, 99:1 Split, FC/APC $255.00
Today
FC1310-70-10-APC Support Documentation FC1310-70-10-APC 2x2 Broadband SM Coupler, 1310 ± 70 nm, 90:10 Split, FC/APC $255.00
Today
FC1310-70-50-APC Support Documentation FC1310-70-50-APC 2x2 Broadband SM Coupler, 1310 ± 70 nm, 50:50 Split, FC/APC $255.00
Today
Add To Cart
1310/1550 nm SM Fiber Optic Couplers
  • Center Wavelength: 1310 and 1550 nm
  • Wavelength Range ±40 nm
  • Fiber Used: SMF-28e
  • 1 m Long Fiber Leads
  • Operating Temperature: -40 to 85 °C

Thorlabs' 10202A 2x2 single mode fiber couplers are designed for operation at 1310 ± 40 nm or 1550 ± 40 nm. They are available in 50:50, 90:10, and 99:1 coupling ratios. For each ratio, choose from unterminated, FC/PC-connectorized, or FC/APC-connectorized ends. The fiber type for each coupler is listed on the pdf drawing, found by clicking on the red documents link next to each part number.

Item #Center
Wavelength		Wavelength RangeCoupling RatioInsertion Loss (dB)Excess LossPolarization
Dependent
Loss (PDL)		Directivity
Termination
10202A-50 1310 / 1550 nm ±40 nm 50:50 3.8 / 3.8 0.2 dB <0.15 dB >60 dB No Connectors,
Scissor Cut
10202A-50-FC ±40 nm 50:50 3.8 / 3.8 0.2 dB <0.15 dB >60 dB FC/PC
10202A-50-APC ±40 nm 50:50 3.8 / 3.8 0.2 dB <0.15 dB >60 dB FC/APC
10202A-90 ±40 nm 90:10 12.7 / 0.8 0.2 dB <0.15 dB >60 dB No Connectors,
Scissor Cut
10202A-90-FC ±40 nm 90:10 12.7 / 0.8 0.2 dB <0.15 dB >60 dB FC/PC
10202A-90-APC ±40 nm 90:10 12.7 / 0.8 0.2 dB <0.15 dB >60 dB FC/APC
10202A-99 ±40 nm 99:1 21.6 / 0.4 0.2 dB <0.15 dB >60 dB No Connectors,
Scissor Cut
10202A-99-FC ±40 nm 99:1 21.6 / 0.4 0.2 dB <0.15 dB >60 dB FC/PC
10202A-99-APC ±40 nm 99:1 21.6 / 0.4 0.2 dB <0.15 dB >60 dB FC/APC
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
10202A-50 Support Documentation 10202A-50 2x2 SM Coupler, 1310 nm & 1550 nm, 50:50 Split, No Connectors $96.80
Today
10202A-50-FC Support Documentation 10202A-50-FC 2x2 SM Coupler, 1310 nm & 1550 nm, 50:50 Split, FC/PC $136.80
Today
10202A-50-APC Support Documentation 10202A-50-APC 2x2 SM Coupler, 1310 nm & 1550 nm, 50:50 Split, FC/APC $176.80
Today
10202A-90 Support Documentation 10202A-90 2x2 SM Coupler, 1310 nm & 1550 nm, 90:10 Split, No Connectors $80.50
Today
10202A-90-FC Support Documentation 10202A-90-FC 2x2 SM Coupler, 1310 nm & 1550 nm, 90:10 Split, FC/PC $120.50
Today
10202A-90-APC Support Documentation 10202A-90-APC 2x2 SM Coupler, 1310 nm & 1550 nm, 90:10 Split, FC/APC $160.50
Today
10202A-99 Support Documentation 10202A-99 2x2 SM Tap, 1310 nm & 1550 nm, 99:1 Split, No Connectors $100.90
Today
10202A-99-FC Support Documentation 10202A-99-FC 2x2 SM Tap, 1310 nm & 1550 nm, 99:1 Split, FC/PC $140.90
Today
10202A-99-APC Support Documentation 10202A-99-APC 2x2 SM Tap, 1310 nm & 1550 nm, 99:1 Split, FC/APC $180.90
Today
Add To Cart
Additional Fused Fiber Optic Couplers
  • 1 x 4 SM Couplers

  • SM 2x2 Fused Couplers/Taps

  • MM 1x2 Fused Couplers

  • PM 1x2 Fused Couplers

  • SM WDMs

  • PM WDMs

  • RGB Combiner

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