Dual-beam laser diode

Details Dual-beam laser diode Dual-beam laser diode

1996-12-04

1998-03-03

Mintel, William

Active solid-state devices (e.g., transistors, solid-state diode

Incoherent light emitter structure

Plural light emitting devices

257 89, 257 98, 257 99, 372 50, 372107, 372108, H01L 3300

Patent

active

057238812

ABSTRACT:
A dual-beam laser diode is provided and includes a base, a first laser diode mounted on the base and having a laser emitting body controlled to emit a laser beam, and a second laser diode mounted between the base and the first laser diode and having a laser emitting body. The second laser diode has a laser emitting body spaced from the laser emitting body of the first laser diode within the range of 3 .mu.m to 5 .mu.m, and controlled to emit a laser beam partially overlapped on the laser beam of the first laser diode. The laser beams of the first laser diode and second laser diode can have different wavelengths and light spot patterns.

REFERENCES:
patent: 5083192 (1992-01-01), Rzeznik et al.
patent: 5105239 (1992-04-01), Uchino et al.
patent: 5382811 (1995-01-01), Takahashi
patent: 5614735 (1997-03-01), Kitamura et al.

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