NON-LINEAR OPTICAL MATERIAL AND SHORT WAVELENGTH LASER OSCILLATOR USING THE SAME

PURPOSE:To provide a non-linear optical material made of a crystal which has a sufficient dimension and hardness to work to a crystal for a device, has high efficiency of optical wavelength transmission caused by second higher harmonic wave generation, has a light absorption end existing in the shor...

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Bibliographische Detailangaben
Hauptverfasser:	SONODA NOBUO, OZAKI YUSUKE, MINEMOTO TAKASHI
Format:	Patent
Sprache:	eng
Schlagworte:	BASIC ELECTRIC ELEMENTS 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 DEVICES USING STIMULATED EMISSION ELECTRICITY 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:	PURPOSE:To provide a non-linear optical material made of a crystal which has a sufficient dimension and hardness to work to a crystal for a device, has high efficiency of optical wavelength transmission caused by second higher harmonic wave generation, has a light absorption end existing in the short wavelength, and has almost no absorption in the region of blue color which is a second higher harmonic wave of a semiconductor laser. CONSTITUTION:A non-linear optical material made of a dipotassium 4, 4'- oxodiphenoxide crystal is obtained by neutralization reaction. The crystal obtained is suitably sticked with quartz glass with nonreflective coating through matching oil or a resin to obtain a light wavelength changing device 4. This device is inserted into a photoresonator 6 composed with the edge of fundmental wave oscillator crystal 3 and the surface of a mirror 5 to make a short wavelength laser oscillator.