Optical loopback tester with air gap attenuator

Details Optical loopback tester with air gap attenuator Optical loopback tester with air gap attenuator

1992-08-25

1994-11-22

Nelms, David C.

Radiant energy

Photocells; circuits and apparatus

Optical or pre-photocell system

385140, H01J 516

Patent

active

053671597

ABSTRACT:
An FDDI loopback connector or optical network is suitable for testing in fiber-to-fiber applications and designed to be interchangeable with a complimentary connector. The loopback tester is afforded a desired level of attenuation by providing a fiber loop having a controlled air gap. Adjustment of the air gap will afford a desired attenuation level.

REFERENCES:
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patent: 5109468 (1992-04-01), Tamulevich et al.
patent: 5127084 (1992-06-01), Takahashi
patent: 5136681 (1992-08-01), Takahashi
patent: 5187768 (1993-02-01), Ott et al.

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