LIGHT WAVELENGTH CONVERSION DEVICE AND THE LIGHT WAVELENGTH CONVERSION METHOD

PROBLEM TO BE SOLVED: To perform light wavelength conversion with satisfactory characteristics without receiving the influence of a photorefractive effect even in the case of the occurrence of such effect. SOLUTION: The wavelength of the basic light outputted from an LD1 is controlled to a specified...

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Bibliographische Detailangaben
Hauptverfasser:	OGURI HITOSHI, MURE KATSUHITO
Format:	Patent
Sprache:	eng
Schlagworte:	DEVICES OR ARRANGEMENTS, THE OPTICAL OPERATION OF WHICH ISMODIFIED BY CHANGING THE OPTICAL PROPERTIES OF THE MEDIUM OF THEDEVICES OR ARRANGEMENTS FOR THE CONTROL OF THE INTENSITY,COLOUR, PHASE, POLARISATION OR DIRECTION OF LIGHT, e.g.SWITCHING, GATING, MODULATING OR DEMODULATING FREQUENCY-CHANGING NON-LINEAR OPTICS OPTICAL ANALOGUE/DIGITAL CONVERTERS OPTICAL LOGIC ELEMENTS OPTICS PHYSICS TECHNIQUES OR PROCEDURES FOR THE OPERATION THEREOF
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Beschreibung
Zusammenfassung:	PROBLEM TO BE SOLVED: To perform light wavelength conversion with satisfactory characteristics without receiving the influence of a photorefractive effect even in the case of the occurrence of such effect. SOLUTION: The wavelength of the basic light outputted from an LD1 is controlled to a specified wavelength by the temperature control using an ATC4 and the temperature control, and the temperature control for changing the temperature of an SHG element 2 is performed so as to make compensation for the change in the phase matching wavelength based on the refractive index change generated within the SHG element 2 and thereby the phase matching condition is constantly satisfied. COPYRIGHT: (C)2008,JPO&INPIT