Fiber-optical testing system having a detection circuit

Details Fiber-optical testing system having a detection circuit Fiber-optical testing system having a detection circuit

1992-05-26

1994-01-18

Warden, Robert J.

Optics: measuring and testing

For optical fiber or waveguide inspection

2503381, 2503384, 250341, 25037014, 307308, 307311, 330 59, 330308, H01L 2714, H01L 3100, H03F 1700, H03K 1914

Patent

active

052803350

ABSTRACT:
A system for testing a fiber-optic component with infrared radiation is provided. The testing system has a source of infrared radiation, an optic coupler, a detecting circuit, and an analog tape recorder. The optic coupler directs the infrared radiation onto the fiber-optic component. The detection circuit is electrically connected to the tape recorder. The detection circuit has an amplifier, a potentiometer connected in parallel to the amplifier, and a photoelectric transducer connected in series to the amplifier. These components are mounted on a non-conductive board. A power source supplies voltage and is connected to the amplifier. The circuit operates by having the photoelectric transducer sense the infrared radiation emitted from the tested fiber-optic component and convert the radiation into an electrical signal. The amplifier then amplifies the electrical signal to the voltage necessary for driving the tape recorder.

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patent: 4750217 (1988-06-01), Smith et al.
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patent: 5013904 (1991-05-01), Muro
patent: 5103122 (1992-04-01), O'Leary et al.
Simpson, R. E., Intro. Electronics for Scientists & Engineers., 2nd ed., 7., pp. 378-379.

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