Laser diode impulse circuit

Details Laser diode impulse circuit Laser diode impulse circuit

1990-03-23

1991-02-19

Gonzalez, Frank

Coherent light generators

Particular beam control device

Control of pulse characteristics

372 38, 372 33, H01S 310

Patent

active

049950444

ABSTRACT:
A laser diode impulse circuit has a normally forward biased step recovery diode coupled to the output of a current pulse generating circuit. An inductor in parallel with a series combination of a pulse shaping network and a laser diode is coupled to the output of the step recovery diode. When the step recovery diode becomes reverse biased in response to a current pulse from the current pulse generating circuit, energy is stored in the inductor. The stored energy is then transferred from the inductor to the laser diode via the pulse shaping network to produce an optical pulse having a desired shape.

REFERENCES:
patent: 4601037 (1986-06-01), McDonald
patent: 4647792 (1987-03-01), Meslener et al.
patent: 4736380 (1988-04-01), Agoston
patent: 4928248 (1990-05-01), Takahashi et al.

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