Two-level semiconductor laser driver

Details Two-level semiconductor laser driver Two-level semiconductor laser driver

1998-06-30

2000-05-09

Font, Frank G.

Coherent light generators

Particular component circuitry

Optical pumping

347247, 372 30, 372 31, H01S 300, H01S 313

Patent

active

060613726

ABSTRACT:
Disclosed is a two-level current driver suitable for driving a semiconductor laser for printing applications, the laser driver including a primary power source for producing a first current pulse of amplitude I.sub.1 and of duration T.sub.2, a secondary power source for producing a second current pulse of amplitude I.sub.2 and of duration T.sub.1, means for combining the outputs of the power sources, and sensing means for detecting the current pulse output from the primary power source.

REFERENCES:
patent: 4766597 (1988-08-01), Olshansky
patent: 5200297 (1993-04-01), Kelly
patent: 5355303 (1994-10-01), Ferla et al.
patent: 5444728 (1995-08-01), Thompson
patent: 5473153 (1995-12-01), Araki et al.
patent: 5513165 (1996-04-01), Ide et al.
patent: 5859862 (1999-01-01), Kazuhiko et al.

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