Transmissive optical detector

Details Transmissive optical detector Transmissive optical detector

2007-10-30

2007-10-30

Nguyen, Tu T (Department: 2886)

Optics: measuring and testing

For optical fiber or waveguide inspection

Reexamination Certificate

active

11306203

ABSTRACT:
In this invention, a transmissive optical detector for low loss monitoring of transmitted optical power is described. The optical detector consists of a partially absorbing coating whose electrical characteristics change under illumination while letting most of the optical power pass through unperturbed. The coating is, for example, a transparent conductor such as indium tin oxide coated on the endface of a fiberoptic waveguide.

REFERENCES:
patent: 4556875 (1985-12-01), Ishiwatari

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