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Interconnect and Mating Sleeves for Fiber Optic Cannulae


BFY32FL1

Dual Core Patch Cable with FC/PC
Connectors on Split Ends and Ø2.5 mm
Stainless Steel Ferrule on Common End

ADAF1

Ceramic Split Mating Sleeve

Ø2.5 mm Dual-Core Stainless Steel Ferrule with Guide Pin

  • Connect Optogenetics Patch Cables and Cannulae
  • Quick-Release Interconnects Allow Simple,
    Low-Force Connections
  • Lightweight Ceramic Split Mating Sleeves

ADAF2

Interconnect for
Ø2.5 mm Ferrules

ADAF1

Ø2.5 mm Ceramic
Mating Sleeve

ADAL1

Ø1.25 mm Ceramic
Mating Sleeve

ADAF2 Quick-Release Interconnect Mating a Multimode Patch Cable and a Ø2.5 mm Cannula

ADAL3

Interconnect for
Ø1.25 mm Ferrules

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Thorlabs offers interconnects and mating sleeves for making connections between our line of optogenetics patch cables and fiber optic cannulae. These ferrule-mating components provide low-loss coupling and are compatible with both stainless steel and ceramic (zirconia) ferrules. The interconnect is designed to facilitate easy connections and disconnections from an implanted cannula, requiring <20% of the force needed to disconnect from mating sleeves. On the other hand, mating sleeves are preferred for very lightweight, low-profile connections between a patch cable and cannula.

Optogenetics Product Family for In Vivo Applications

Thorlabs offers a wide variety of products designed to support in vivo optogenetics applications. Please visit the OG Selection Guide tab above to see a full listing of available products for different applications.

Optogenetics System Schematic

This tab contains instructions for using an interconnect to mate an optogenetics patch cable with a Ø1.25 mm or Ø2.5 mm ferrule to a cannula of the same diameter. Please see the animation below for an illustration of the installation process detailed here.

Connecting the Patch Cable
Insert the patch cable ferrule into the interconnect on the side with the stainless steel setscrew. To secure the patch cable, use the included hex key [0.028" for the ADAL3 and 0.05" (1.3 mm) for the ADAF2] to tighten the setscrew onto the inserted ferrule.

  • Ensure that the patch cable ferrule tip is clean and free of dust; we recommend our canned compressed air.
  • For best results, the patch cable should be inserted past the setscrew and about halfway into the ceramic mating component within the interconnect.

Connecting the Cannula
To connect to a cannula, gently squeeze the interconnect from both sides where indicated by the engraving, then insert the cannula ferrule into the open end until physical contact with the patch cable ferrule is achieved. To lock the cannula in place, simply let go of the interconnect. 

  • Check that the ferrule tip of the cannula is clean and free of dust. 
  • If the cannula is already implanted or glued into position, adjust the cable-side ferrule, if necessary, to ensure physical contact between the ferrules.
  • When using the dual core cannula and patch cable, please note the orientation of the patch cable for alignment purposes.

Disconnecting the Cannula and Patch Cable
To disconnect the interconnect from a cannula, squeeze the interconnect and gently pull the interconnect until disconnected from the cannula. The patch cable can be released by loosening the setscrew with the included hex key. 


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Optogenetics Selection Guide

Thorlabs offers a wide range of optogenetics components; the compatibility of these products in select standard configurations is discussed in detail here. Please contact Technical Support for assistance with items outside the scope of this guide, including custom fiber components for optogenetics.

 

One Light Source to One Cannula Implant

The most straightforward method for in vivo light stimulation of a specimen is to use a single fiber optic with a single LED light source. The single wavelength LED is powered by an LED driver, and then the illumination output is fiber-coupled into a patch cable, which connects to the implanted cannula. See the graphics and expandable compatibility tables below for the necessary patch cables and cannulae to create this setup. To choose the appropriate LED and driver, see below or the full web presentation.

Click on Each Component for More Information

LED Driver LED Driver Fiber-Coupled LED Fiber-Coupled LED SMA to Ferrule Patch Cable with Optional Rotary Joint SMA to Ferrule Patch Cable with Optional Rotary Joint ADAF2 Interconnect ADAF2 Interconnect Fiber Optic Cannula Fiber Optic Cannula


 

One or Two Light Sources to Two Cannula Implants

Bilateral stimulation of a specimen (two cannula implants) can be achieved in two ways. If the intent is for one LED source to connect to two cannulae for simultaneous light modulation, then a bifurcated fiber bundle can be used to split the light from the LED into each respective cannula. For dual wavelength stimulation (mixing two wavelengths in a single cannula) or a more controlled split ratio between cannula, one can use a multimode coupler to connect one or two LEDs to the cannulae. If one cable end is left unused, the spare coupler cable end may be terminated by a light trap. See the graphic and compatibility table below for the necessary cables and cannulae to create this setup. For LEDs and drivers, see below or the full web presentation.

Click on Each Component Below for More Information

LED Driver LED Driver Fiber-Coupled LED Fiber-Coupled LED Patch Cable textY-Cable Mating Sleeve Mating Sleeve Mating Sleeve Mating Sleeve Fiber Optic Cannula Fiber Optic Cannula Fiber Optic Cannula Fiber Optic Cannula

LED Driver 2nd LED Driver LED Driver text Fiber-Coupled LED 2nd Fiber-Coupled LED Fiber-Coupled LED text Multimode Coupler Multimode Coupler Text ADAF2 Interconnect ADAF2 Interconnect Text ADAF2 Interconnect ADAF2 Interconnect Text Fiber Optic Cannula Fiber Optic Cannula Fiber Optic Cannula Fiber Optic Cannula
Part Selection Table (Click Links for Item Description Popup)
Common Fiber Properties
Core Diameter 200 µm 400 µm
Wavelength Range 250 - 1200 nm 400 - 2200 nm 400 - 2200 nm
NA 0.22 0.39 0.39
Fiber Type FG200UCC FT200EMT FT400EMT
Ferrule Stylea LC (Ø1.25 mm) FC (Ø2.5 mm) LC (Ø1.25 mm) FC (Ø2.5 mm) LC (Ø1.25 mm) FC (Ø2.5 mm)
Bifurcated Y-Cable FC/PC Input BFYL1LF01 BFYF1LF01 BFYL2LF01 BFYF2LF01 BFYL4LF01 BFYF4LF01
SMA905 Input BFYL1LS01 BFYF1LS01 BFYL2LS01 BFYF2LS01 BFYL4LS01 BFYF4LS01
2x2 Multimode Coupler FC/PC Input - - FCMH2-FCL FCMH2-FCF - -
SMA905 Input - - FCMH2-SMAL FCMH2-SMAF - -
Compatible Mating Sleeve/Interconnect ADAL1
ADAL3
ADAF1
ADAF2
ADAL1
ADAL3
ADAF1
ADAF2
ADAL1
ADAL3
ADAF1
ADAF2
Fiber Optic Cannulaec Ceramic
6.4 mm
Long
Ferrule
CFMLC22L02
CFMLC22L05
CFMLC22L10
CFMLC22L20
CFMLC22U-20
- CFMLC12L02
CFMLC12L05
CFMLC12L10
CFMLC12L20
CFMLC12U-20
- CFMLC14L02
CFMLC14L05
CFMLC14L10
CFMLC14L20
CFMLC14U-20
-
Diffuser Tip
(Ceramic 6.4 mm
Long Ferrule)
- - CFDSB02
CFDSB05
CFDSB10
CFDSB20
- - -
Ceramic
10.5 mm
Long
Ferrule
CFMXA02
CFMXA05
CFMXA10
CFMXA20
CFMC22L02
CFMC22L05
CFMC22L10
CFMC22L20
CFMC22U-20
CFMXB02
CFMXB05
CFMXB10
CFMXB20
CFMC12L02
CFMC12L05
CFMC12L10
CFMC12L20
CFMC12U-20
- CFMC14L02
CFMC14L05
CFMC14L10
CFMC14L20
CFMC14U-20
Stainless
Steel
CFML22L02
CFML22L05
CFML22L10
CFML22L20
CFML22U-20
CFM22L02
CFM22L05
CFM22L10
CFM22L20
CFM22U-20
CFML12L02
CFML12L05
CFML12L10
CFML12L20
CFML12U-20
CFM12L02
CFM12L05
CFM12L10
CFM12L20
CFM12U-20
CFML14L02
CFML14L05
CFML14L10
CFML14L20
CFML14U-20
CFM14L02
CFM14L05
CFM14L10
CFM14L20
CFM14U-20
  • LC components have a Ø1.25 mm ferrule end while FC components have a Ø2.5 mm ferrule end. Items listed in the same "Ferrule Style" column are compatible with each other.
  • Patch cables for one or two light sources to two cannula implant applications are highlighted in green above. Choose a patch cable with an input that matches your light source.
  • Available cannulae are highlighted in orange of the table above. Cannule within the same column are interchangeable.

 

Two Light Sources into One Dual-Core Cannula Implant

For bilateral stimulation applications where the two cannulas need to be placed in close proximity (within ~1 mm), Thorlabs offers dual-core patch cables and cannulae that are designed for this specific application. Each core is driven by a separate light source, enabling users to stimulate and/or supress nerve cells in the same region of the specimen. See the graphic and compatibility table below for the necessary cables and cannulae to create this setup. For LEDs and drivers, see below or the full web presentation.

LED Driver 2nd LED Driver LED Driver Text Fiber-Coupled LED 2nd Fiber-Coupled LED Fiber-Coupled LEDs Dual-Core Patch Cable Dual-Core Patch Cable ADAF2 Interconnect ADAF2 Interconnect Fiber Optic Cannula Fiber Optic Cannula

Click on Each Component for More Information

Part Selection Table (Click Links for Item Description Popup)
Common Fiber Properties
Core Diameter 200 µm
Wavelength Range 400 - 2200 nm
NA 0.39
Fiber Type FT200EMT
Ferrule Stylea FC (Ø2.5 mm)
Dual-Core Patch Cable FC/PC Input BFY32FL1
SMA905 Input BFY32SL1
Compatible Mating Sleeve/Interconnect ADAF1
ADAF2
Dual-Core Fiber Optic Cannulaec Stainless Steel CFM32L10
CFM32L20
  • FC components have a Ø2.5 mm ferrule end.
  • Patch cables for dual light source to single implant applications are highlighted in green above. Choose a patch cable with an input that matches your light source.
  • Available cannulae are highlighted in orange of the table above. Cannule within the same column are interchangeable.

 

Popular Fiber-Coupled LEDs for Optogenetics
Item # M470F3 M590F2
Center Wavelength 470 nm 590 nm
Bandwidth (FWHM) 20 nm 15 nm
Typical Output Spectrum
(Click to Enlarge)
M470 Icon M470 Icon
Ø200 µm Core Fiber Output (Typ.)a
7.0 mW 0.68 mW
Ø400 µm Core Fiber Output (Typ.)b
21.8 mW 2.73 mW
CW Drive Current (Max) 1.0 A 1.0 A
LED Forward Voltage 3.1 V 2.8 V
Typical Lifetime >50,000 Hours >50,000 Hours
  • Tested using MM Fiber with Ø200 µm core, 0.22 NA (Item # FG200UCC).
  • Tested using MM Fiber with Ø400 µm core, 0.39 NA (Item # FT400EMT).

Fiber-Coupled LEDs

Our fiber-coupled LEDs are ideal light sources for optogenetics applications. They feature a variety of wavelength choices and a convenient interconnection to optogenetics patch cables. Thorlabs offers fiber-coupled LEDs with nominal wavelengths ranging from 280 nm to 1050 nm. See the table to the right for the LEDs with the most popular wavelengths for optogenetics.

 

LED Drivers

Compatible Driversa LEDD1Bb DC2200c DC4100c,d,e DC4104c,d,e
Click Photos to Enlarge LEDD1B Driver DC2200 Driver DC4100 Driver DC4104 Driver
Main Driver Features Very Compact Footprint
60 mm x 73 mm x 104 mm
(W x H x D)
Touchscreen Interface with Internal and External Options for Pulsed and Modulated LED Operation 4 Channelsd 4 Channelsd
LED Driver Current Output (Max) 1.2 A LED1 Terminal: 10.0 A
LED2 Terminal: 2.0 Af
1.0 A per Channel 1.0 A per Channel
LED Driver Forward Voltage (Max) 12 V 50 V 5 V 5 V
Modulation Frequency 0 to 5 kHz (External) 20 to 100 kHz (Internal)h
DC to 250 kHz (External)g,h
0 to 100 kHz (External)h
Simultaneous Across all Channels
0 to 100 kHz (External)h
Independently Controlled Channels
External Control Interface(s) Analog (BNC) USB 2.0 and Analog (BNC) USB 2.0 and Analog (BNC) USB 2.0 and Analog (8-Pin)
EEPROM Compatible: Reads Out LED Data for LED Settings - Yes Yes Yes
LCD Display - Yes Yes Yes
  • Click on the item number link to view the complete presentation for each controller.
  • The preferred power supply (single channel or hub-based) depends on the end user's application and whether you already own compatible power supplies. To that end and in keeping with Thorlabs' green initiative, we do not ship the LEDD1B bundled with a power supply. This avoids the cost and inconvenience of receiving an unwanted single-channel supply if a hub-based system (Item # KCH301 or KCH601) would be more appropriate.
  • Automatically limits to LED's max current via EEPROM readout.
  • The DC4100 and DC4104 can power and control up to four LEDs simultaneously when used with the DC4100-HUB. The fiber-coupled LEDs on this page all require the DC4100-HUB when used with the DC4100 or DC4104.
  • These LED drivers have a maximum forward voltage rating of 5 V and can provide a maximum current of 1000 mA. As a result, they cannot be used to drive LEDs which have forward voltage ratings greater than 5 V. LEDs with maximum current ratings higher than 1.0 A can be driven using this driver, but will not reach full power.
  • The fiber-coupled LEDs sold above are compatible with the LED2 Terminal.
  • Small Signal Bandwidth: Modulation not exceeding 20% of full scale current. The driver accepts other waveforms, but the maximum frequency will be reduced.
  • The M565F3 and M595F2 LEDs produce light by stimulating emission from phosphor, which limits their modulation frequency range. These LEDs may not turn off completely when modulated above 10 kHz at duty cycles below 50%.

Quick-Release Interconnect


Quick-Release Interconnect Usage
  • Quick-Release Interconnects for Mating Ø1.25 mm or Ø2.5 mm Ferrules
  • Easily Secure and Disconnect Ferrule with One-Handed Squeeze Operation
  • Low-Force Disconnections Minimize Stress on Specimen
  • Constructed from Virtually Nonmagnetic Materials
  • Minimal Light Leakage
  • Lightweight (≤1 g)

Click to Enlarge
Interconnects are easily operated using a single hand and are engraved to indicate where pressure should be applied.

Thorlabs' Quick-Release Interconnects are easy-to-use and reliable solutions for mating optogenetics patch cables and cannulae. These interconnects offer <1.0 dB (<21%) insertion loss and minimal light leakage at the interconnect interface, preventing stray light from distracting a specimen. The quick-release mechanism requires <20% of the force to connect or disconnect compared to mating sleeves, significantly reducing stress on a specimen when mating to a patch cable. As shown in the photo to the left, the interconnects can be operated using a single hand which ensures hassle-free mating to an implanted cannula.

As seen in the animation to the right, an interconnect holds a patch cable ferrule on one end using a cup-point setscrew that does not damage the ferrule surface, and holds a cannula on the other end using a quick-release squeeze mechanism. First, insert a patch cable ferrule into the interconnect and secure by tightening the setscrew using the included hex key. Then, squeeze the quick-release lever and insert the cannula until it makes physical contact with the ferrule. Finally, release the lever to lock the cannula into place. The interconnect is engraved to indicate where squeeze pressure should be applied. To release the cannula (or disconnect from an implanted cannula), squeeze the quick-release lever and pull the interconnect away from the cannula; only light force is needed to disconnect the interconnect. Please see the Interconnect Usage tab above for additional guidelines.

These interconnects are designed to be used with our optogenetics patch cables and cannulae and are not intended for use with patch cables terminated with standard connectors.

Item # Compatible
Ferrule Size
Insertion Loss Length Weight Disconnect Forcea
ADAL3 1.25 mm Outer Diameter <1.0 dB Typical Loss (Multimode)b 9.4 mm 0.4 g <0.89 N (<0.2 lbf) Typicalc
ADAF2 2.5 mm Outer Diameter <1.0 dB Typical Loss (Multimode)d 13.6 mm 1 g <4.4 N (<1.0 lbf) Typicale
  • Force needed to disconnect a ferrule when squeeze force is applied to quick-release.
  • Tested using Ø200 µm core, 0.22 NA multimode fiber and an LED source at 532 nm.
  • Tested using a LC ferrule.
  • Tested using Ø400 µm core, 0.39 NA multimode fiber and an LED source at 532 nm.
  • Tested using a FC ferrule.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
ADAL3 Support Documentation
ADAL3Customer Inspired! Quick-Release Interconnect for Ø1.25 mm Ferrules
$31.37
Today
ADAF2 Support Documentation
ADAF2Customer Inspired! Quick-Release Interconnect for Ø2.5 mm Ferrules
$31.37
Today

Ceramic Mating Sleeves

Fiber Optic Cannula and Interconnect
Click for Details

 In the photo above, the ADAF1 is used to connect a cannula with a 2.5 mm ferrule to the ferrule end of a M81L01 patch cable.

Click to Enlarge
ADAF1 Mating Sleeve with Optogenetics Patch Cable and Cannula
  • Ceramic Mating Sleeves for Ø1.25 mm and Ø2.5 mm Ferrules
  • Connect Optogenetics Patch Cables and Cannulae
  • Very Lightweight (≤0.18 g)
  • Sold Individually or in Packs of 5

The ADAL1 and ADAF1 ceramic (zirconia) mating sleeves are low-profile, lightweight options for connecting our optogenetics patch cables with ferrule connectors to our implantable fiber optic cannulae (see photo to the right). Additionally, they are capable of connecting any terminated fiber with a Ø1.25 mm or Ø2.5 mm ferrule, such as LC/PC, FC/PC, ST®/PC, and SC/PC connectors. 

This mating sleeve is compatible with both stainless steel and ceramic patch cables and cannulae. Cannulae and patch cables with different ferrule materials can be mixed and matched without significant additional signal losses.

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

Item # Compatible Ferrule Size Insertion Loss Length Weight Disconnect Force Material
ADAL1 1.25 mm Outer Diameter <0.5 dB Typical (Single Mode)a
<1.0 dB Typical (Multimode)b
6.8 mm 0.05 g 11.4 N (2.6 lbf) Maxc
7.2 N (1.6 lbf) Typicalc
Ceramic
(Zirconia)
ADAF1 2.5 mm Outer Diameter <0.2 dB Typical (Single Mode)d
<1.0 dB Typical (Multimode Fiber)
e
11.4 mm 0.18 g 53 N (12 lbf) Maxf
25 N (5.6 lbf) Typicalf
  • 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 LC ferrule.
  • 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 an FC ferrule.
Based on your currency / country selection, your order will ship from Newton, New Jersey  
+1 Qty Docs Part Number - Universal Price Available / Ships
ADAL1 Support Documentation
ADAL1Ceramic Split Mating Sleeve for Ø1.25 mm (LC/PC) Ferrules
$4.68
Today
ADAL1-5 Support Documentation
ADAL1-5Ceramic Split Mating Sleeves for Ø1.25 mm (LC/PC) Ferrules, 5 Pack
$18.73
Today
ADAF1 Support Documentation
ADAF1Ceramic Split Mating Sleeve for Ø2.5 mm (FC/PC, ST®/PC, or SC/PC) Ferrules
$5.20
Today
ADAF1-5 Support Documentation
ADAF1-5Ceramic Split Mating Sleeves for Ø2.5 mm (FC/PC, ST®/PC, or SC/PC) Ferrules, 5 Pack
$20.81
Today
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