B4, BR4 Type, Flexible, PVC Monocoil hose, Glass Fiber Optic Cable, 1/4" (6.3mm) Active Fiber Bundle
Flexible, single fiber optic light guide cable assemblies. B4 type have a PVC-Monocoil sheathing which is smooth and easy to clean. BR4 type fibers go through a secondary process to randomly distribute the fiber from end to end. This disperses hot and dark spot from the lamp and provides a more uniform light output.
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"B4" Type designates Single flexible cable assembly, PVC sheathing, .250" diameter bundle of fiber.
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"BR4" Type designates fiber are randomized for even light distribution.
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Individual Fiber Diameter: 0.002 in. (0.050mm)
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Fiber Material: Borosilicate Glass
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Numerical Aperture / Acceptance Cone: 0.55NA, 68° (nominal) @ 0.55 (nominal)
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Packing Fraction 82% (nominal) w/0.002” fiber
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Spectral Transmittance 0.4 to 2.0 micron
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Transmission Losses max. 10%/ft. at 0.6 microns