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Optical Fiber Clamps, Post-Mountable and SM1-Threaded
Ø1" Lens Tube
Soft Rubber Pad Securely Clamps Ø250 µm Fiber in Machined V-Groove
Magnetically Coupled Swing Arm Simplifies Loading/Unloading Fiber
8-32 (M4) Tap
These general purpose fiber clamps provide easy means for incorporating glass or plastic optical fibers into optomechanical post assemblies or SM1-threaded components. The precision V-groove and rubber pad are designed to clamp onto the buffer of single mode or multimode fibers without damaging them. The combination of a magnet in the main mounting body and magnetic steel setscrew in the clamping arm provide a means to dynamically adjust the clamping force. Move the magnetic setscrew closer to the main body to increase the clamping force. Conversely, adjusting the setscrew away from the magnet decreases the clamping force.
This product is often used along with one of our popular Aspheric Lenses to create a fiber output collimator that provides near-diffraction-limited performance. We also offer integrated FiberPort Collimators/Couplers for FiberBench systems. For our Fiber Launch stage systems, we offer bare fiber mounts, chucks, and rotators. Please see our complete collection of Fiber Optomechanics.
The T711/M-250 post-mountable fiber clamp features a precision V-groove and rubber pad designed to clamp onto the buffer of single mode or multimode fibers without damaging them. With an 8-32 (M4) tap, this fiber clamp is compatible with Thorlabs' family of Ø1/2" Posts and can be integrated into optomechanical breadboards or optical table assemblies.
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The SM1F1-250 fiber clamp consists of a two-part assembly that allows the centration of the fiber to be changed independently from a lens tube. The V-groove and rubber pad design provide excellent holding force without damaging the fiber. With external SM1 threads and a locking ring, this fiber clamp is compatible with our SM1-threaded products, including threaded kinematic mounts (as shown to right) and Ø1" lens tubes. Alternatively,this mount can be used to secure a bare fiber end so that the output is incident on a power sensor, as seen in the photo to the far right. The outer profile of this clamp will fit through the clear aperture of a Ø1" lens tube, allowing a second lens tube to be screwed on for light-tight applications.