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Fiber Optic Mating Sleeves and Bulkhead Adapters


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Fiber Optic Mating Sleeves and Bulkhead Adapters

Mating Sleeves Selection Guidea

Connector 2

 Connector 1 
 FC/PCFC/APCSMALC/PCSC/PCST/PCØ1.25 mm
Ferrule
Ø2.5 mm
Ferrule
FC/PCADAFC1b
ADAFC2b
ADAFCPM1b
ADAFCPM2b
ADAF1c
 ADAFCSMA1b ADAFCSC1
ADAF1c
ADAFCST1
ADAF1c
 ADAF1c
FC/APC ADAFC3b
ADAFC4b
ADAFCPM1b
ADAFCPM2b
      
SMAADAFCSMA1b ADASMAd     
LC/PC   ADALC1
ADAL1c
  ADAL1c 
SC/PCADAFCSC1
ADAF1c
   ADASC1
ADAF1c
ADAF1c ADAF1c
ST/PCADAFCST1
ADAF1c
   ADAF1cADASTb
ADAF1c
 ADAF1c
Ø1.25 mm
Ferrule
   ADAL1c  ADAL1c 
Ø2.5 mm
Ferrule
ADAF1c   ADAF1cADAF1c ADAF1c
  • Bulkhead Adapters that have one connector for projecting light into free space are also available below.
  • These mating sleeves are available in a mounted version.
  • These mating sleeves are available in 5 packs.
  • This mating sleeve is available in a mounted version and in a 10 pack.

Features

  • Mating Sleeves Align Cores of Terminated Fiber Cables
  • Mating Sleeves for Ø2.5 mm or Ø1.25 mm Ferrules
  • Bulkhead Adapters for OEM or Custom Applications
  • Protective Metal Caps Available for Select Adapters

Mating Sleeves
Our mating sleeves connect any fiber cable terminated with industry-standard FC/PC, FC/APC, SMA, LC/PC®, SC/PC, and ST/PC® connectors. All our mating sleeves properly align the cores of each connectorized fiber end and minimize back reflections by bringing them into physical contact, with the exception of our SMA mating sleeves, which are air-spaced. Thorlabs also provides a selection of the mating sleeves sold on this page premounted in an L-bracket that provides mechanical compatibility with standard 1/4"-20 (M6) optomechanics.

Bulkhead Adapters
Thorlabs' FC/PC and SMA Bulkhead Adapters contain one connector for the projection of light into free space. Their compact size, one-piece construction, and mounting thread make them ideal for OEM or custom aplications. The design aligns the front face of the connector ferrule with the rear surface of the adapter. This allows the fiber to be placed in near-physical contact with any optics or instruments that are placed after the adapter.

Care and Proper Use
It is important that the fiber tips be clean to minimize connection losses and avoid damage to the connector. Except for our SMA mating sleeves, the fiber tips will be in physical contact within all of our mating sleeves. The use of our G608N3 Index Matching Gel (sold below) can also help to reduce losses at the fiber connection. Thorlabs offers a complete selection of inspection tools and cleaning supplies for optical fiber. For unconnectorized fiber, our reusable fiber-to-fiber splicing products are useful for creating temporary connections. Fiber caps are also available for protecting the end face of the fiber.

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Posted Comments:
Poster: g9622513
Posted Date: 2013-11-21 20:05:33.32
Please provide the Insertion Loss of PM Fiber Mating Sleeves at 1064 nm.
Poster: jlow
Posted Date: 2013-11-25 08:46:59.0
Response from Jeremy at Thorlabs: The insertion loss is around 0.5dB.
Poster: pbui
Posted Date: 2013-08-01 14:11:00.0
Response from Phong at Thorlabs: When mating two FC/PC or FC/APC connectors together, there should be no change in the back reflection measurement since the physical contact of the two ferrules eliminates the air interface, effectively giving you zero reflection. Insertion losses can stem from fiber core to fiber core concentricity and face angle alignment. With that said, there are no disadvantages for APC-APC mating; it functions exactly the same way as PC-PC mating. You should use narrow key mating sleeves like ADAFC3 instead of wide key like ADAFC1. Either is fine for FC/PC because since there is no angle on the ferrule, alignment would not be affected by the slop in the key. For APC-APC, you need the 8 degree angle of each ferrule to be aligned to get a good connection.
Poster: maxein
Posted Date: 2013-07-26 13:31:43.36
Advantage of PC-PC over APC-APC? Hello! In the group I am working, all the FC-fiber-fiber connections using mating sleeves are done using PC connections, as I understand mostly for historical reasons. I would like to switch to APC-APC connections in the future to reduce reflexions, but I would like to be sure: Is a coupling APC-APC as efficient as a coupling PC-PC (using e.g. a sleeve like ADAFCPM2)? Are there any other disavantages to APC-APC over PC-PC? Thanks!
Poster: jlow
Posted Date: 2012-12-20 14:46:00.0
Response from Jeremy at Thorlabs: In the ADAFCSMA1, the two fiber tip would make physical contact. Inside the part is a stainless steel sleeve. I will e-mail you to discuss the tolerance of the part that you are looking for.
Poster: alexandre.pichon-ajilon
Posted Date: 2012-12-19 05:20:27.69
Hello, I am interested in your adapter ADAFCSMA1. You wrote on the datasheet that “SMA mating sleeves are air spaced”. Can you tell me, in this case FC to SMA, the approximative distance between the 2 optical faces? Because of the SMA connector, I think there is no zirconia sleeve in this adapter. Can you tell me how the 2 ferrules are guided? Do you have mechanical tolerances to tell me?
Poster: sharrell
Posted Date: 2012-12-03 15:50:00.0
Response from Sean at Thorlabs: Thank you for contacting us. The mounting holes are 2-56 threaded. We will update the drawing to remove the reference to M2 threading. Also, these parts are provided with the 2-56 screws to attach the mating sleeves, and we will add this information to the web presentation.
Poster: makarov
Posted Date: 2012-12-01 22:40:54.0
What thread is in the little connector mounting holes in ADABS1 and ADABS2? The drawing says "#2-56 (M2)", but these are incompatible thread sizes, aren't they? So are these parts metric or imperial?
Poster: tcohen
Posted Date: 2012-03-28 13:12:00.0
Response from Tim at Thorlabs: Our ADASMA mating sleeves will have a typical coupling loss of .5dB.
Poster: n.andermahr
Posted Date: 2012-03-28 03:19:36.0
What is the typical coupling efficiency for a SMA/SMA mating sleeve? (E.g. coupling two fibers with 200 micrometer cores)
Poster: lmorgus
Posted Date: 2011-09-29 18:22:00.0
Response from Laurie at Thorlabs to cqedgg: Thank you for noting your desire to directly connect FC/PC and FC/APC-terminated fiber patch cables with a mating sleeve. Unfortunately, we've done some research that indicates that currently there isn't a way to physically make a mating sleeve design that will enable this functionality. Given that a direct mating sleeve solution isnot currently feasible, we would typically suggest one of two options. If you already own the patch cables, you could consider purchasing the appropriate mating sleeves (you'll need one FC/PC to FC/PC version and one FC/APC to FC/APC version) and one of our hybrid patch cables: http://thorlabs.com/NewGroupPage9.cfm?ObjectGroup_ID=5002&pn=P5-2000-PCAPC-1 Alternatively, if you do not already own the cables, Thorlabs does provide custom patch cable services, and we can make you a patch cable that has an FC/PC connector on one end and an FC/APC connector on the other. Our technical support staff would be pleased to provide a quote if you decide to go this route.
Poster: cqedgg
Posted Date: 2011-09-29 17:18:04.0
I need some FC/PC to FC/APC mating sleeves. You know, sometime we have the right componen but with a wrong connector.:(
Poster: bdada
Posted Date: 2011-08-25 14:10:00.0
Response from Buki at Thorlabs. Yes, we have a RoHS compatibility certificate for the ADAFC3 mating sleeve. I have included a link below and two ways you can access this information on our website: http://www.thorlabs.us/RoHS_cert.cfm?rohs=1&pn=ADAFC3 1. Click on the red icon to the left of the item number and then click on the RoHS icon: http://www.thorlabs.us/NewGroupPage9.cfm?ObjectGroup_ID=314&pn=ADAFC3 2. Click on the RoHS icon on the product page of the item: http://www.thorlabs.us/thorProduct.cfm?partNumber=ADAFC3
Poster:
Posted Date: 2011-08-25 10:13:57.0
Is there a RoHS compliance certificate available for this item?
Poster: tor
Posted Date: 2010-11-29 09:26:20.0
Response from Tor at Thorlabs to 10210190049: Thank you for your interest in our FC to FC mating sleeves. The ADAFC2-PMN is ideal for PM applications, as it is designed with very tight tolerances.
Poster: 10210190049
Posted Date: 2010-11-28 09:09:48.0
I have some fibers(P3-780PM-FC-2), which should be coupled. So which one should I use? ADAFC3 or ADAFC2-PMN?
Poster: Thorlabs
Posted Date: 2010-08-31 10:53:06.0
Response from Javier at Thorlabs to Jason: The clip material of the PFS01 wire saddle is nylon, which is not suitable for vacuum applications. Also, the adhesive will most likely outgas at vacuum levels below 10^-3 Torr.
Poster: jason.miura
Posted Date: 2010-08-27 16:28:04.0
I am interested in the PFS01 Fiber Clip. We are planning to do a vacuum test on our test setup that may include the fiber clips. What is the clip material and the adhesive used on the PFS01 Fiber Clip. Thanks, Jason
Poster: acable
Posted Date: 2008-08-22 17:27:56.0
Your FC to FC Mating sleave presentation is difficult to use, please consider breaking the 7 products into a couple of different sub-presentations. I would also appreciate having more detail on the Overview tab, key size, mounting hole pattern, and type of alignment sleave (metal or ceramic).
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FC/PC to FC/PC Wide-Key-Slot Mating Sleeves
Wide Key Slot and Narrow Key
Click to Enlarge

Wide-Key-Slot Mating Sleeve and Narrow Key Connector:
Recommended for Narrow Key FC/PC Connectors
Not Recommended for Narrow Key FC/APC Connectors
Wide Key Slot and Wide Key
Click to Enlarge

Wide-Key-Slot Mating Sleeve and Wide Key Connector:
Recommended for All Wide Key Connectors
  • 2.2 mm Wide-Key-Slot Mating Sleeves
  • Designed for All FC/PC-Connectorized Fibers
  • <0.5 dB Insertion Loss (Measured at 635 nm with FC/PC-Terminated SM600 Fibers)

Thorlabs' ADAFC2 Wide-Key-Slot Mating Sleeve has a square flange with through holes for panel mounting, while the ADAFC1 Wide-Key-Slot Mating Sleeve is designed for the D-hole of a standard rack-mount panel. Our CAPF1 Metal Cap, sold separately, protects the exposed end of the mating sleeve.

Flat FC/PC connectors are significantly less alignment sensitive than their angled FC/APC counterparts, making these wide-key-slot mating sleeves acceptable for narrow and wide key FC/PC connectors. Although these mating sleeves are mechanically compatible with narrow key FC/APC connectors, the wide-key slot makes it difficult to properly align the angled, narrow key FC/APC connector. For FC/APC applications, we therefore recommend the narrow-key-slot mating sleeves shown immediately below. All FC/PC and FC/APC patch cables manufactured by Thorlabs use narrow key connectors.

The ADAFC2 is also available mounted in an L-bracket.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADAFC2 Support Documentation
ADAFC2 FC/PC to FC/PC Mating Sleeve, Wide Key (2.2 mm), Square Flange
$10.70
Today
ADAFC1 Support Documentation
ADAFC1 FC/PC to FC/PC Mating Sleeve, Wide Key (2.2 mm), D-Hole
$9.60
Today
CAPF1 Support Documentation
CAPF1 Customer Inspired! Metal Cap for FC/PC and FC/APC Mating Sleeves
$7.25
Today
FC/APC to FC/APC Narrow-Key-Slot Mating Sleeves
Narrow Key Slot and Narrow Key
Click to Enlarge

Narrow-Key-Slot Mating Sleeve and Narrow Key Connector:
Recommended for All Narrow Key Connectors
  • 2.0 mm Narrow-Key-Slot Mating Sleeves
  • Designed for FC/PC- or FC/APC-Connectorized Fibers with 2.0 mm Narrow Keys
  • <0.5 dB Insertion Loss (Measured at 635 nm with FC-Terminated SM600 Fibers)

Thorlabs' ADAFC3 Narrow-Key-Slot Mating Sleeve has a square flange with through holes for panel mounting, while the ADAFC4 Narrow-Key-Slot Mating Sleeve is designed for the D-hole of a standard rack-mount panel. Our CAPF1 Metal Cap, sold separately, protects the exposed end of the mating sleeve.

These narrow-key-slot mating sleeves allow for proper alignment of angled, narrow key FC/APC connectors. These sleeves are also mechanically compatible with narrow key FC/PC connectors, but the flat FC/PC connector is significantly less alignment sensitive, which makes the wide-key-slot mating sleeves shown immediately above an acceptable alternative. All FC/PC and FC/APC patch cables manufactured by Thorlabs use narrow key connectors.

The ADAFC3 is also available mounted in an L-bracket.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADAFC3 Support Documentation
ADAFC3 FC/APC to FC/APC Mating Sleeve, Narrow Key (2.0 mm), Square Flange
$20.80
Today
ADAFC4 Support Documentation
ADAFC4 Customer Inspired! FC/APC to FC/APC Mating Sleeve, Narrow Key (2.0 mm), D-Hole
$14.30
Today
CAPF1 Support Documentation
CAPF1 Customer Inspired! Metal Cap for FC/PC and FC/APC Mating Sleeves
$7.25
Today
PM Fiber Mating Sleeves
Narrow Key Slot and Narrow Key
Click to Enlarge

Narrow-Precision-Key-Slot Mating Sleeve
and Narrow Key Connector:
Recommended for Narrow Key PM Fiber Connectors
Wide Key Slot and Wide Key
Click to Enlarge

Wide-Precision-Key-Slot Mating Sleeve and Wide Key Connector:
Recommended for Wide Key PM Fiber Connectors
Not Recommended for Narrow Key PM Fiber Connectors
  • Best Possible Matching of Polarization Axes in PM Fibers
  • 2.0 mm Narrow Precision Key or 2.2 mm Wide Precision Key FC Connectors
  • <1.0 dB Insertion Loss (Measured at 635 nm with FC/PC- and FC/APC-Terminated PM630-HP Fibers)

Thorlabs' PM Fiber Mating Sleeves have housings made from a single piece of metal, as opposed to the typical two-piece design. This precision construction provides the best possible matching of polarization axes, making them ideal for FC/PC- or FC/APC-connectorized PM fibers. To ensure the best performance, choose the mating sleeve that matches your key width. All FC/PC and FC/APC patch cables manufactured by Thorlabs use narrow key connectors. Our CAPF1 Metal Cap, sold separately, protects the exposed end of the mating sleeve.

Both mating sleeves have square flanges that allow them to be attached to a panel. For information on their dimensions, please click on the Docs icon () below. We also offer both mating sleeves mounted in an L-bracket.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADAFCPM1 Support Documentation
ADAFCPM1 FC/PC to FC/PC or FC/APC to FC/APC Mating Sleeve, Wide Precision Key (2.2 mm)
$48.00
Today
ADAFCPM2 Support Documentation
ADAFCPM2 FC/PC to FC/PC or FC/APC to FC/APC Mating Sleeve, Narrow Precision Key (2.0 mm)
$48.00
Today
CAPF1 Support Documentation
CAPF1 Customer Inspired! Metal Cap for FC/PC and FC/APC Mating Sleeves
$7.25
Today
SMA to SMA Mating Sleeve
  • Designed for SMA-Connectorized Fibers
  • <1.5 dB Insertion Loss (Typical Loss for a Pair of Ø200 µm Core Multimode Fibers)
  • Sold Individually or in Packs of 10

Thorlabs' ADASMA Mating Sleeve is an air-spaced mating sleeve for connecting two SMA-connectorized fiber optic cables. It is directly compatible with SMA905-style connectors, and one ceramic alignment sleeve is included for mating an SMA905-style connector to an SMA906-style connector. The ADASMA is not intended for mating an SMA906-style connector to another SMA906-style connector. A washer and nut are included for panel mounting, as well as two dust caps for protecting the exposed ends of the mating sleeve. Our CAPN1 Metal Cap, sold separately, also protects the mating sleeve ends and can clip on to our L-bracket mounts.

These mating sleeves can be purchased individually or in packs of ten (Item # ADASMA-10) at a significant savings over the individual price. Each 10-pack includes ten mating sleeves, ten washers, ten nuts, ten alignment sleeves, and twenty dust caps to protect the exposed ends of the mating sleeves. The ADASMA is also available mounted in an L-bracket.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADASMA Support Documentation
ADASMA SMA to SMA Mating Sleeve
$17.30
Today
ADASMA-10 Support Documentation
ADASMA-10 SMA to SMA Mating Sleeve, 10 Pack
$147.20
Today
CAPN1 Support Documentation
CAPN1 Customer Inspired! Metal Cap for SMA Mating Sleeves
$4.93
Today
ST/PC to ST/PC Mating Sleeve
  • Designed for ST/PC-Connectorized Fibers

Thorlabs' ADAST Mating Sleeve connects two ST/PC-connectorized fiber optic cables. A washer and nut are included for panel mounting. Our CAPT1 Metal Cap, sold separately, protects the exposed end of the mating sleeve.

The ADAST is also available mounted in an L-bracket.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADAST Support Documentation
ADAST ST/PC to ST/PC Mating Sleeve
$5.90
Today
CAPT1 Support Documentation
CAPT1 Customer Inspired! Metal Cap for ST Mating Sleeves
$4.25
Today
LC/PC and SC/PC Mating Sleeves
  • Options for SC/PC-Connectorized or LC/PC-Connectorized Fibers

Thorlabs' ADASC1 Mating Sleeve connects two SC/PC-terminated fiber optic cables, while our ADALC1 Mating Sleeve connects two LC/PC-terminated fiber optic cables. Both sleeves incorporate two tabs that snap into place when inserted into a panel.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADASC1 Support Documentation
ADASC1 SC/PC to SC/PC Mating Sleeve
$17.60
Today
ADALC1 Support Documentation
ADALC1 LC/PC to LC/PC Mating Sleeve
$17.60
3-5 Days
Ferrule Mating Sleeves
  • Mate Any Fiber with Ø2.5 mm or Ø1.25 mm Ferrules
  • Sold Individually or in Packs of 5

The ADAF1 and ADAL1 Ferrule Mating Sleeves are designed for use with any connectorized fiber with a Ø2.5 mm ferrule, such as FC/PC, ST/PC, or SC/PC connectors, or with a Ø1.25 mm ferrule, such as LC/PC connectors. These zirconia sleeves can be used to create a temporary, quick-release connection between two cables, as shown in the photo to the right. They are compatible with both ceramic and stainless steel ferrule connectors. They are also compatible with our optogenetics fiber optic cannulae, optogenetics patch cables, and empty ceramic ferrules.

These mating sleeves are available individually or in packages of five at a significant savings over the individual price.

Item # PrefixCompatible Ferrule SizeInsertion LossLengthConnection ForceMaterial
ADAF1 2.5 mm Outer Diameter <0.2 dB Typical (SM)a
<1.0 dB Typical (MM)b
11.4 mm 53 N (12 lbf) Maxe
25 N (5.6 lbf) Typicale
Ceramic
(Zirconia)
ADAL1 1.25 mm Outer Diameter <0.5 dB Typical (SM)c
<1.0 dB Typical (MM)d
6.8 mm 11.4 N (2.6 lbf) Maxf
7.2 N (1.6 lbf) Typicalf
  • Tested using SMF28 fiber at 1550 nm with FC/PC connectors.
  • Tested using Ø200 µm core, 0.39 NA multimode fiber with FC/PC connectors and an LED source at 617 nm.
  • Tested using SM600 fiber at 635 nm with LC/PC connectors.
  • Tested using Ø200 µm core, 0.39 NA multimode fiber with LC/PC connectors and an LED source at 617 nm.
  • Tested using an FC/PC-type ferrule.
  • Tested using an LC/PC-type ferrule.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADAF1 Support Documentation
ADAF1 Ceramic Split Mating Sleeve for Ø2.5 mm (FC/PC, ST/PC, or SC/PC) Ferrules
$5.00
Today
ADAF1-5 Support Documentation
ADAF1-5 Ceramic Split Mating Sleeves for Ø2.5 mm (FC/PC, ST/PC, or SC/PC) Ferrules, 5 Pack
$20.00
Today
ADAL1 Support Documentation
ADAL1 Ceramic Split Mating Sleeve for Ø1.25 mm (LC/PC) Ferrules
$5.00
Today
ADAL1-5 Support Documentation
ADAL1-5 Ceramic Split Mating Sleeves for Ø1.25 mm (LC/PC) Ferrules, 5 Pack
$20.00
Today
FC/PC to SMA Mating Sleeve
  • Mate an FC/PC-Terminated Fiber to an SMA-Terminated Fiber
    • 2.2 mm Wide-Key-Slot FC/PC Connector
    • SMA905-Style SMA Connector

Thorlabs' ADAFCSMA1 Mating Sleeve mates an FC/PC-terminated single mode (SM) or multimode (MM) fiber to an SMA-terminated MM fiber by bringing the tips into physical contact. Our CAPF1 and CAPN1 Metal Caps are designed to protect the FC and SMA ends of the mating sleeve, respectively. Please note that this mating sleeve is only compatible with SMA905-style connectors.

The typical insertion loss for mating an FC/PC-terminated SM fiber to an SMA-terminated MM fiber is less than 0.2 dBa, while the typical insertion loss for mating an FC/PC-terminated MM fiber to an SMA-terminated MM fiber is less than 1.4 dBb.

The ADAFCSMA1 is also available mounted in an L-bracket.

  • Measured at 633 nm by mating an FC/PC-terminated SM fiber with a 0.12 NA to an SMA-terminated MM fiber with a Ø50 µm core.
  • Measured at 633 nm by mating an FC/PC-terminated MM fiber to an SMA-terminated MM fiber; both fibers had Ø50 µm cores.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADAFCSMA1 Support Documentation
ADAFCSMA1 FC/PC to SMA Fiber Optic Mating Sleeve
$42.90
Today
CAPF1 Support Documentation
CAPF1 Customer Inspired! Metal Cap for FC/PC and FC/APC Mating Sleeves
$7.25
Today
CAPN1 Support Documentation
CAPN1 Customer Inspired! Metal Cap for SMA Mating Sleeves
$4.93
Today
FC/PC to ST/PC Mating Sleeve
  • Mate an FC/PC-Terminated Fiber to an ST/PC-Terminated Fiber
  • <0.28 dB Insertion Loss (Typical Loss for a Pair of SM Fibers)

Thorlabs' ADAFCST1 Mating Sleeve mates an FC/PC-terminated single mode (SM) or multimode (MM) fiber to an ST/PC-terminated SM or MM fiber by bringing the tips into physical contact. It features a 2.2 mm wide-key-slot FC/PC connector and a square flange with through holes for panel mounting. Our CAPF1 and CAPT1 Metal Caps, sold separately, are designed to protect the FC/PC and ST/PC ends of the mating sleeve, respectively.

The ADAFCST1 can be mounted in our square flange L-brackets, shown at the bottom of the page, for compatibility with 1/4"-20 (M6) mechanical assemblies.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADAFCST1 Support Documentation
ADAFCST1 FC/PC to ST/PC Fiber Optic Mating Sleeve
$12.00
Today
CAPF1 Support Documentation
CAPF1 Customer Inspired! Metal Cap for FC/PC and FC/APC Mating Sleeves
$7.25
Today
CAPT1 Support Documentation
CAPT1 Customer Inspired! Metal Cap for ST Mating Sleeves
$4.25
Today
FC/PC to SC/PC Mating Sleeve
  • Mate an FC/PC-Terminated Fiber to an SC/PC-Terminated Fiber
  • <0.11 dB Insertion Loss (Typical Loss for a Pair of SM Fibers)

Thorlabs' ADAFCSC1 Mating Sleeve mates an FC/PC-terminated single mode (SM) or multimode (MM) fiber to an SC/PC-terminated SM or MM fiber by bringing the tips into physical contact. It features a 2.2 mm wide-key-slot FC/PC connector and a square flange with through holes for panel mounting. Our CAPF1 Metal Cap, sold separately, protects the exposed FC/PC end of the mating sleeve.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADAFCSC1 Support Documentation
ADAFCSC1 FC/PC to SC/PC Fiber Optic Mating Sleeve
$12.00
Today
CAPF1 Support Documentation
CAPF1 Customer Inspired! Metal Cap for FC/PC and FC/APC Mating Sleeves
$7.25
Today
Bulkhead Adapters
Bulkhead Adapters
Click to Enlarge

HASMA Adapter Attached to an SMA-Terminated Fiber Patch Cable
  • Ideal for OEM or Custom Applications
  • 2.2 mm Wide-Key-Slot FC/PC Bulkhead Adapter
  • SMA905- or SMA906-Style Bulkhead Adapter
  • Project Light into Free Space

Thorlabs' Bulkhead Adapters contain one connector for the projection of light into free space, where the light can then be manipulated or used by other optical devices, such as lenses or detectors. Ideal for OEM or custom applications, the design aligns the front face of the connector ferrule with the rear surface of the adapter, as shown in the photo to the right. The lack of a second connector at this surface allows for the projection of light from the fiber into free space. It also allows the fiber to be placed in near-physical contact with any optics or instruments that are placed after the adapter.

The HAFC adapter has a 2.2 mm wide-key-slot FC/PC bulkhead for compatibility with our FC/PC terminated fiber optic patch cables. Opposite the FC/PC connector is a 3/8"-24 external mounting thread used for mounting the bulkhead adapter into OEM or custom systems.

Our HASMA adapter is 0.38" (9.65 mm) long, with a 1/4"-36 threaded barrel for use with SMA905- and SMA906-style terminated fiber optic patch cables. The threaded barrel can also be used with the lock nut for mounting within OEM or custom systems.

The uncommon mounting threads in these adapters will require the use of custom mounting solutions. We recommend engaging at least two threads for stability when using a custom mount, with thread locker (Loctite) as an option for permanent solutions. If tapping a hole is not an option, the adapters can also be epoxied in place.

If a custom or OEM solution is not desired, both adapters are also available mounted within SM-threaded disks for compatibility with our lens tube systems. Fiber and bulkhead caps are also available for preventing damage to the connectorized fiber when it is not in use.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
HAFC Support Documentation
HAFC NEW! FC/PC Bulkhead Adapter, Wide Key (2.2 mm)
$17.00
Today
HASMA Support Documentation
HASMA NEW! SMA Bulkhead Adapter with Lock Nut
$7.70
Today
Empty L-Brackets for FC Mating Sleeves
Item # ADABS1 ADABS2 ADABD1 ADABD2
Sleeve Type Square Flange Square Flange D-Hole D-Hole
L-Bracket Type Single Dual Single Dual
Compatible Sleeves ADAFC2
ADAFC3
ADAFCPM1
ADAFCPM2
ADAFC2
ADAFC3
ADAFCPM1
ADAFCPM2
ADAFC1
ADAFC4
ADAFC1
ADAFC4
  • Compatible with Either Square Flange or D-Hole FC Mating Sleeves
  • Single or Dual Bracket
  • One or Two CAPF1 Metal Caps Included

Thorlabs' Empty L-Brackets are provided for customers who purchase our unmounted FC mating sleeves separately. They contain a 1/4" (M6) through hole for easy mounting to a post, optical table, or breadboard. The single versions include one CAPF1 Metal Cap, while the dual versions include two. Additional CAPF1 Metal Caps are also sold separately. The ADABS1 and ADABS2 include screws with 2-56 threading for attaching the square flange mating sleeves.

These empty L-brackets allow the construction of L-bracket mating sleeves not offered from stock. For example, they can be used to place a narrow key connector and a wide key connector into one L-bracket.

Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
ADABS1 Support Documentation
ADABS1 Customer Inspired! Single L-Bracket for Square Flange FC Mating Sleeves
$23.00
Today
ADABS2 Support Documentation
ADABS2 Customer Inspired! Dual L-Bracket for Square Flange FC Mating Sleeves
$31.00
Today
ADABD1 Support Documentation
ADABD1 Customer Inspired! Single L-Bracket for D-Hole FC Mating Sleeves
$23.00
Today
ADABD2 Support Documentation
ADABD2 Customer Inspired! Dual L-Bracket for D-Hole FC Mating Sleeves
$31.00
Today
Index Matching Gel
Specifications
Refractive Index 402 nm 1.4995
589.3 nm 1.4646
980 nm 1.4462
1550 nm 1.4378
Refractive Index Temperature
Coefficient (25 °C to 60 °C)
-3.5 x 10-4 per °C
Refractive Index vs. Wavelength
(Cauchy Fit)a
1.4338 + 10520 λ-2
Optical Absorption (450 - 750 nm) <0.003% per µm
Apparent Viscosity (25 °C) 10,600 poises
Oil Separation (24 hrs at 100 °C) 0.2%
Evaporation (24 hrs at 100 °C) 1.0%
Specific Gravity (25 °C) 1.06
Thermal Coefficient of Expansion 0.0006 cc/cc/°C
Microscopic Particulate
Contamination
10 - 34 µm <300 Particles/cc
≥35 µm 0 Particles/cc
Absorption Spectrum info
  • Wavelength λ in nm

Thorlabs' G608N3 Index Matching Gel is a crystal-clear optical coupling compound intended to reduce signal attenuation in wave guide assemblies at connections. The presence of air at the junction of two optical fibers causes significant signal refraction due to the large differential optical impedance that exists between air and the signal-carrying wave guides. The optical coupling compound G608N3 has been formulated with the requisite optical properties of clarity, purity, and refractive index to minimize signal losses while allowing pliable mechanical connections between rigid parts. Unlike a rigid optical epoxy, this pliable gel is viscoelastic and can take up the differential thermal expansion of precision optical parts without inducing excessive stresses or delamination.

In many devices, these materials serve an additional function: they help seal out ambient dust or fluids from sensitive optical components. This gel is formulated to be ultraclean, non-yellowing, and unaffected by x-ray, ultraviolet or sunlight exposure. It has extremely low outgassing and volatility characteristics and is free from light-absorbing microscopic particulates. This optical product is a chemically stable, non-toxic, synthetic material with wide temperature serviceability and is suitable for designs with high reliability and long service life. The table below gives data on the decrease in signal loss when using the gel. Each syringe comes with 3 cc of index matching gel.

This index matching gel can also be used to refill our fiber-to-fiber splice kits.

Insertion Loss Improvement
Connector Types Loss Without Index Matching Gel G608N3 Loss With Index Matching Gel G608N3 Difference
SMA-to-SMAa 2.88 dB 1.25 dB 1.63 dB
FC/PC-to-FC/PCb 1.12 dB 0.59 dB 0.53 dB
  • A 617 nm LED source was used to mate two multimode 0.22 NA, Ø50 µm core, Ø125 µm clad patch cords with and without index matching gel.
  • A 780 nm fiber coupled laser source was used to mate two FC/PC-terminated 780HP fibers with and without index matching gel.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal/Imperial Price Available / Ships
G608N3 Support Documentation
G608N3 Index Matching Gel, 3 cc Syringe
$39.90
Today
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