Fotometer

A photometer includes a spectrometer that extracts a component of a predetermined wavelength band from incident light, a coupler that branches the predetermined wavelength band component into a first direction and a second direction, an optical switch that includes a first input terminal, a second i...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser:	NIKI, SHOJI
Format:	Patent
Sprache:	ger
Schlagworte:	COLORIMETRY MEASUREMENT OF INTENSITY, VELOCITY, SPECTRAL CONTENT,POLARISATION, PHASE OR PULSE CHARACTERISTICS OF INFRA-RED,VISIBLE OR ULTRA-VIOLET LIGHT MEASURING PHYSICS RADIATION PYROMETRY TESTING TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR
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Beschreibung
Zusammenfassung:	A photometer includes a spectrometer that extracts a component of a predetermined wavelength band from incident light, a coupler that branches the predetermined wavelength band component into a first direction and a second direction, an optical switch that includes a first input terminal, a second input terminal, a first output terminal, and a second output terminal, an optical amplifier that receives light from the second output terminal and outputs amplified light, which is obtained by amplifying the light, to an incident light receiving section of the spectrometer, and a photodetector that is connected to the first output terminal and detects light.