Optical fiber test instrument with mechanically positioned atten

Details Optical fiber test instrument with mechanically positioned atten Optical fiber test instrument with mechanically positioned atten

1994-10-24

1996-12-31

Gonzalez, Frank

Optics: measuring and testing

For optical fiber or waveguide inspection

25022718, 359196, 359227, 359230, 359231, G01N 2100, G02B 2602

Patent

active

055899331

ABSTRACT:
An optical test instrument, for testing response of an optical medium to optical energy, comprises a light source for emitting optical energy in response to electrical energy, a detector for providing an electrical output signal in response to incident optical energy, and a propagation path for delivering optical energy from the light source to the medium under test and for delivering optical energy from the medium under test to the detector. A positioning mechanism displaces an optical attenuator element between a first position, in which it is out of the propagation path, and a second position, in which it is interposed in a segment of the path in which the optical energy is propagated as a beam.

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