Optical head, optical element with diffraction grating, optical disc device and information processing device

An optical head includes a blue-violet laser light source for emitting a blue-violet laser beam, a mirror with a diffraction grating for transmitting and reflecting the blue-violet laser beam at a predetermined ratio, and a front monitor sensor for receiving transmitted light or reflected light from...

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Bibliographische Detailangaben
Hauptverfasser: Yamasaki, Fumitomo, Komma, Yoshiaki, Tojo, Tomoaki
Format: Patent
Sprache:eng
Online-Zugang:Volltext bestellen
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