Semiconductor laser element, semiconductor laser device, method for manufacturing semiconductor laser device, and gas analyzer

The invention provides a semiconductor laser element, a semiconductor laser device, a method for manufacturing the same, and a gas analyzer. A distributed feedback type semiconductor laser element (3) has a diffraction grating (3M) formed on a waveguide (3L), stably outputs single-mode light, and in...

Ausführliche Beschreibung

Bibliographische Detailangaben

Hauptverfasser:	AWANE YUSUKE, TERAKADO TOMOJI, MATSUHAMA MAKOTO
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES MEASURING PHYSICS TESTING
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