Device with circulating optical delay line

Details Device with circulating optical delay line Device with circulating optical delay line

1985-09-10

1988-03-29

LaRoche, Eugene R.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

350 9618, 330308, G02B 626

Patent

active

047339284

ABSTRACT:
Optical fibre delay line device for producing a delay on a guided light pulse proportional to the length of the optical fibre, comprising single means for the emission and detection of the light pulse, constituted by a semiconductor laser diode also having photodetecting properties and coupled to one of the ends of the optical fibre. The other end of the optical fibre is rendered reflective or is coupled to a waveguide of variable length, which also has a reflecting end, in such a way that the light pulse traverses the length of the optical fibre twice.

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Electronics Review, "Bouncing Beam", v. 38, No. 11, May 31, 1965, p. 31.

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