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Furcation Tubing, Sleeves, and Connector Caps
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Zoom| Item # | Inner Diameter | Outer Diameter | Color | Composition | Operating Temperature |
|---|---|---|---|---|---|
| FT900SM | 500 µm | 900 µm | Yellow | Hytrel | -40 to 85 °C |
Thorlabs' FT900SM Fiber Jacketing is a Hytrel tube with a 900 µm outer diameter. Since this furcation tubing has an inner diameter of only 500 µm, it is only large enough to use with our single mode fibers. The FT900SM does not have an inner tube or a pull string for feeding fibers through it. Kevlar threads are inside the FT900SM, but these come out when threading a fiber through it. This tubing can be removed by using the AFS900 Adjustable Fiber Buffer and Jacket Stripping Tool.
| Item # | Inner Diameter | Outer Diameter | Color | Operating Temperature |
|---|---|---|---|---|
| FT020 | 900 µm | 2 mm | Orange | -40 to 70 °C |
- Fits up to 900 µm Outer Diameter Fiber
- Lightweight Alternative to Ø3 mm or Ø3.8 mm Tubing
- Kevlar Protective Threads
Our Ø2 mm protective tubing provides more protection than Ø900 µm tubing and fits optical fiber up to 900 µm in diameter. It has an internal structure similar to our Ø3 mm tubing pictured below, including a PVC outer jacket, Kevlar threads, and a polypropylene inner protective tube. It is ideal for constructing patch cables for optogenetics or any other application where a lightweight, flexible, and durable patch cable is needed. The AFS900 Adjustable Stripping Tool can be used to remove this tubing.
We also offer connector boots and crimp sleeves to use Ø2 mm tubing with FC, ST, and SMA connectors (our stock connectors do not include a boot compatible with Ø2 mm tubing). For information on using this tubing with other connector styles, please contact Technical Support.
FT030 and FT038 Composition
| Item # | Inner Diameter | Outer Diameter | Color |
|---|---|---|---|
| FT030 | 1.0 mm | 3 mm | Orange |
| FT030-Y | 1.0 mm | 3 mm | Yellow |
| FT030-BLUE | 1.0 mm | 3 mm | Blue |
| FT030-BK | 1.0 mm | 3 mm | Black |
| FT038 | 1.8 mm | 3.8 mm | Red |
| FT038-BK | 1.8 mm | 3.8 mm | Black |
Operating Temperature: -20 to 70 °C (-4 to 158 °F)
Thorlabs' FT030 and FT038 Furcation Tubings consist of an outer PVC jacket, Kevlar protective threads, a polypropylene inner fiber tube, and a pull string for fiber insertion, as shown in the photo to the right. The Kevlar threads that surround the inner tube protect the fiber from damage by cushioning any impact incurred by the PVC outer jacket. As these threads remain in the jacketing after threading a fiber, these jackets are better suited for protecting fibers than our Ø900 µm tubing.
These furcation tubings can be used with SM (yellow standard), PM (blue standard), and MM (orange standard) fibers. The tubing can be removed from the fiber by using the FTS3 Stripping Tool and the T865 Kevlar Cutting Shears. Feeding fiber through furcation tubing can be difficult, so the inner tubes of the FT030 and FT038 feature a pull string to help guide the fiber.
| Item # | Inner Diameter | Outer Diameter | Min. Bend Radiusa | Material | Color |
|---|---|---|---|---|---|
| FT05SS | 3.5 mm | 5.0 ± 0.2 mm | 19 mm | SUS304 | Silver |
Thorlabs' FT05SS Stainless Steel Tubing and FTS50x Sleeves provide a high degree of fiber protection. The FT05SS is the same tubing used in our SMA Fiber Bundles. The FTS50x sleeves effectively replace the strain relief boot used with our standard furcation tubing and shield the connection from dust, dirt, and other external contaminants. Please refer to the Compatibility Guide table below to ensure the proper match between the fiber connector and sleeve.
Click to Enlarge
Sleeve with Fiber Connector and Stainless Steel Tubing
Click to Enlarge
Sleeve Schematic
To create a fiber connection, our F112 or F123 Epoxy is used to secure the sleeve along the same central axis as the fiber connector, tubing, and bare fiber. Each sleeve is engraved with an A, B, or D that corresponds to the suffix of the part number and indicates the inner diameter of the connector side of the sleeve. When the fiber connector and tubing are fed into the sleeve, they each encounter a hard stop once they are completely inserted, making it easy to create reliable connections.
The bare fiber can be fed directly into the tubing, which does not contain an inner tube, Kevlar threads, or a pull string. If desired, the fiber can be fed into our FT030 tubing (which does feature a pull string) before being put into the stainless steel tubing for added convenience and protection.
| Compatibility Guide | |||||||
|---|---|---|---|---|---|---|---|
| Item # | Inner Diameter of Fiber Connector Side |
FC/PC Connectors |
FC/APC Connectors |
SMA Connectors |
ST Connectors |
LC Connectors |
SC Connectors |
| FTS50A | 0.138" - 0.150" (3.50 - 3.81 mm) |
30126C3, 30128C3 | 30126A3, 30126A9, 30126C3, 30126C9 | 1xxxxA | 30126B1 | 30126L9 | 30126H1, 30500A1 |
| FTS50B | 0.153" - 0.165" (3.89 - 4.19 mm) |
- | - | - | 10140G1 | - | - |
| FTS50D | 0.178" - 0.190" (4.52 - 4.83 mm) |
30xxxC, 301255D1, 30126G2-xxxx, 30140E1 | 30080K1, 30128A3 | - | - | - | - |
| Item # | Inner Diameter | Outer Diameter | Min. Bend Radiusa | Color |
|---|---|---|---|---|
| FT061PS | 3.5 mm | 6.1 mm | 19 mm | Black |
Operating Temperature: -50 to 60 °C (-58 to 140 °F)
Thorlabs' FT061PS Stainless Steel Tubing and FTS61x Sleeves provide a high degree of fiber protection. The FT061PS has a black plastic coating (olefin elastomer) that is lead-free, halogen-free, and provides chemical, water, and heat resistance. The FTS61x sleeves effectively replace the strain relief boot used with our standard furcation tubing and shield the connection from dust, dirt, and other external contaminants. Please refer to the Compatibility Guide table below to ensure the proper match between the fiber connector and sleeve.
Click to Enlarge
Sleeve with Fiber Connector and Stainless Steel Tubing
Click to Enlarge
Sleeve Schematic
To create a fiber connection, our F112 or F123 Epoxy is used to secure the sleeve along the same central axis as the fiber connector, tubing, and bare fiber. Each sleeve is engraved with an A, B, or D that corresponds to the suffix of the part number and indicates the inner diameter of the connector side of the sleeve. When the fiber connector and tubing are fed into the sleeve, they each encounter a hard stop once they are completely inserted, making it easy to create reliable connections.
The bare fiber can be fed directly into the tubing, which does not contain an inner tube, Kevlar threads, or a pull string. If desired, the fiber can be fed into our FT030 tubing (which does feature a pull string) before being put into the stainless steel tubing for added convenience and protection.
| Compatibility Guide | |||||||
|---|---|---|---|---|---|---|---|
| Item # | Inner Diameter of Fiber Connector Side |
FC/PC Connectors |
FC/APC Connectors |
SMA Connectors |
ST Connectors |
LC Connectors |
SC Connectors |
| FTS61A | 0.138" - 0.150" (3.50 - 3.81 mm) |
30126C3, 30128C3 | 30126A3, 30126A9, 30126C3, 30126C9 | 1xxxxA | 30126B1 | 30126L9 | 30126H1, 30500A1 |
| FTS61B | 0.153" - 0.165" (3.89 - 4.19 mm) |
- | - | - | 10140G1 | - | - |
| FTS61D | 0.178" - 0.190" (4.52 - 4.83 mm) |
30xxxC, 301255D1, 30126G2-xxxx, 30140E1 | 30080K1, 30128A3 | - | - | - | - |
Additional Fiber Termination and Connectorization
Furcation Tubing, Sleeves, and Connector Caps
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