SEMICONDUCTOR LASER OSCILLATOR

SEMICONDUCTOR LASER OSCILLATOR

A semiconductor laser oscillator includes laser diode modules (11m1 to 11mn). A temperature sensor (TS) directly or indirectly detects a temperature of at least one of the laser diode modules (11m1 to 11mn). A collimating lens (1102) collimates respective lasers emitted from the laser diode modules...

Ausführliche Beschreibung

Gespeichert in:
Bibliographische Detailangaben
1. Verfasser: USUDA, Kaori
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
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Beschreibung
Zusammenfassung:A semiconductor laser oscillator includes laser diode modules (11m1 to 11mn). A temperature sensor (TS) directly or indirectly detects a temperature of at least one of the laser diode modules (11m1 to 11mn). A collimating lens (1102) collimates respective lasers emitted from the laser diode modules (11m1 to 11mn). A grating (1103) performs spectrum beam coupling for the lasers emitted from the collimating lens (1102). An incident angle varying mechanism (a movement controller 201, drivers 202 and 203) changes incident angles of the respective lasers, at which the lasers emitted from the collimating lens (1102) are incident onto the grating (1103) in response to the temperature detected by the temperature sensor (TS).