LASER OSCILLATING ELEMENT

LASER OSCILLATING ELEMENT

PROBLEM TO BE SOLVED: To provide a laser oscillating element which can suffciently reduce the required amount of excitation energies for laser oscillation. SOLUTION: The laser oscillating element 1 is equipped with a cholesteric liquid crystal layer 2, a cholesteric liquid crystal layer 3 opposed to...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: TAKANISHI YOICHI, TAKEZOE HIDEO, SON MYONFUN, TOYOOKA TAKEHIRO, NISHIMURA RYO
Format: Patent
Sprache:eng
Schlagworte:
ADHESIVES
BASIC ELECTRIC ELEMENTS
CHEMISTRY
DEVICES USING STIMULATED EMISSION
DYES
ELECTRICITY
LAKES
METALLURGY
MISCELLANEOUS APPLICATIONS OF MATERIALS
MISCELLANEOUS COMPOSITIONS
MORDANTS
NATURAL RESINS
ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES
PAINTS
POLISHES
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Beschreibung
Zusammenfassung:PROBLEM TO BE SOLVED: To provide a laser oscillating element which can suffciently reduce the required amount of excitation energies for laser oscillation. SOLUTION: The laser oscillating element 1 is equipped with a cholesteric liquid crystal layer 2, a cholesteric liquid crystal layer 3 opposed to the cholesteric liquid crystal layer 2, a cholesteric liquid crystal layer 4 which is prepared between the cholesteric liquid crystal layers 2, 3 and contains cholesteric liquid crystal and fluorescence cololant. The cholesteric liquid crystals in the cholesteric liquid crystal 2, 3 are the same in spiral chirality and pitch. The emission band of the fluorescence emitted from the colorant and a part of the selective reflection wave band of the cholesteric liquid crystal in the cholesteric liquid crystal layers 2, 3 mutually overlap. COPYRIGHT: (C)2007,JPO&INPIT