Optical Fiber Tensile Jig


  • Specifically for tensile testing optical fibers and other brittle fibers
  • Pneumatic action minimizes specimen slippage at the grip faces
  • 0.1 kN (22 lbf) maximum capacity

Relevant Materials:

Relevant Specimens:


This jig is designed for tensile testing optical fibers and other brittle fibers. The jig consists of upper and lower pneumatic flat grips with flat grip faces followed by large-diameter capstans.

The pneumatic flat grips apply a constant pressure during testing, minimizing slippage of the specimen at the grip faces, and the large-diameter capstan reduces stress on the fiber, lowering the risk of specimen breakage at the chuck. In addition, the capstan itself applies a self-tightening action and the two capstans are arranged on opposite sides of the testing axis to minimize off-axis forces.

A maximum operable air pressure of 0.7 MPa (7 kgf/cm2, 102 psi) is available for the pneumatic flat grips. A foot valve unit is necessary to open and close the pneumatic flat grips. An air compressor is not included in the optical fiber tensile jig set. In certain regions, an air compressor is available as an accessory. Please contact your local Shimadzu representative for availability.

Additional items needed for operation:
- A 0.7 MPa (7 kgf/cm2, 102 psi) air compressor
- Foot valve unit

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