JPH0327056B

PURPOSE:To reduce the severeness of the working accuracy of a fiber and the adjustment of the time of assembly, and to reduce the cost by providing a light quantity variable device in the vicinity of a condensing optical system for condensing reflected light, so that the reflected light quantity can...

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Bibliographische Detailangaben
Hauptverfasser: ARAKI KYOSHI, SAKAI TERUO, DOI YUZURU, ASAI NORYUKI
Format: Patent
Sprache:eng
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