WAVELENGTH CONVERTING LASER DEVICE

PROBLEM TO BE SOLVED: To provide an wavelength converting laser device capable of oscillating a 2nd laser beam without increasing the energy density of a 1st laser beam made incident on a parametric oscillator. SOLUTION: The laser device is provided with a laser oscillator 1 including a YAG rod 15 a...

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Bibliographische Detailangaben
Hauptverfasser:	SUGII MASAKATSU, SAKUMA JUN, HARASAKI AKIKO, AKIYAMA YASUHIRO, ITOU HISAE
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:	PROBLEM TO BE SOLVED: To provide an wavelength converting laser device capable of oscillating a 2nd laser beam without increasing the energy density of a 1st laser beam made incident on a parametric oscillator. SOLUTION: The laser device is provided with a laser oscillator 1 including a YAG rod 15 and an excitation lamp 18 in a 1st optical resonator 12 consisting of a 1st high reflection mirror 13 and a 1st output mirror 14 and capable of outputting a 1st laser beam and a parametric oscillator 2 for converting the 1st laser beam outputted from the 1st output mirror 14 and made incident from a 2nd high reflection mirror 21 to a 2nd optical resonator 23 into a 2nd laser beam having different wavelength and outputting the 2nd laser beam from a 2nd output mirror 22 by a non-linear optical crystal formed in the 2nd optical resonator 23 consisting of the mirrors 21, 22 and the mirror 21 is constituted so as to reflect a part of the 1st laser beam and return the reflected light to the 1st optical resonator 12.