OPTICAL DEVICE AND LASER APPARATUS

OPTICAL DEVICE AND LASER APPARATUS

An optical device includes a core, a first cladding that covers the core and has a lower refractive index than the core, a second cladding that covers the first cladding and has a lower refractive index than the first cladding, a slanted FBG that is formed in the core and couples SRS light propagati...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: SHIMA Kensuke, FUNATSU Tomoki, OHMORI Kenichi
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
OPTICS
PHYSICS
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Beschreibung
Zusammenfassung:An optical device includes a core, a first cladding that covers the core and has a lower refractive index than the core, a second cladding that covers the first cladding and has a lower refractive index than the first cladding, a slanted FBG that is formed in the core and couples SRS light propagating through the core to the first cladding, and a high refractive index material that has a higher refractive index than the second cladding and which covers an outer peripheral surface of a removal portion where the second cladding is removed and a portion of the first cladding which covers the region where the slanted FBG is formed in the core.