SEMICONDUCTOR-LASER EXCITING SOLID LASER DEVICE
PROBLEM TO BE SOLVED: To minimize a power required for the driving current and temperature control of a semiconductor laser. SOLUTION: In a semiconductor-laser exciting solid laser device (100), a solid-laser medium (3) is excited by laser beams from the semiconductor laser (1), and fundamental wave...
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| creator | TOJO KIMITADA |
| description | PROBLEM TO BE SOLVED: To minimize a power required for the driving current and temperature control of a semiconductor laser. SOLUTION: In a semiconductor-laser exciting solid laser device (100), a solid-laser medium (3) is excited by laser beams from the semiconductor laser (1), and fundamental waves of approximately 1064 nm are oscillated by an optical resonator (6) containing the solid-laser medium (3). In the semiconductor-laser exciting solid laser device (100), the fundamental waves are wavelength-converted into second higher harmonics of approximately 532 nm by a non-linear optical crystal (4), and green linear beams are emitted. In the semiconductor-laser exciting solid laser device (100), both a longitudinal mode and a transverse mode use the semiconductor laser (1) in a single mode. Since the semiconductor laser in the single mode both in the longitudinal mode and the transverse mode has a low oscillating threshold value and a high electro-optical conversion efficiency, a driving current can be minimized. The heat generation of the semiconductor laser is reduced because of the high electro-optical conversion efficiency, and the power required for the temperature control can be minimized. Accordingly, a portable use by driving a dry cell is enabled. COPYRIGHT: (C)2007,JPO&INPIT |
| format | Patent |
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SOLUTION: In a semiconductor-laser exciting solid laser device (100), a solid-laser medium (3) is excited by laser beams from the semiconductor laser (1), and fundamental waves of approximately 1064 nm are oscillated by an optical resonator (6) containing the solid-laser medium (3). In the semiconductor-laser exciting solid laser device (100), the fundamental waves are wavelength-converted into second higher harmonics of approximately 532 nm by a non-linear optical crystal (4), and green linear beams are emitted. In the semiconductor-laser exciting solid laser device (100), both a longitudinal mode and a transverse mode use the semiconductor laser (1) in a single mode. Since the semiconductor laser in the single mode both in the longitudinal mode and the transverse mode has a low oscillating threshold value and a high electro-optical conversion efficiency, a driving current can be minimized. The heat generation of the semiconductor laser is reduced because of the high electro-optical conversion efficiency, and the power required for the temperature control can be minimized. Accordingly, a portable use by driving a dry cell is enabled. 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SOLUTION: In a semiconductor-laser exciting solid laser device (100), a solid-laser medium (3) is excited by laser beams from the semiconductor laser (1), and fundamental waves of approximately 1064 nm are oscillated by an optical resonator (6) containing the solid-laser medium (3). In the semiconductor-laser exciting solid laser device (100), the fundamental waves are wavelength-converted into second higher harmonics of approximately 532 nm by a non-linear optical crystal (4), and green linear beams are emitted. In the semiconductor-laser exciting solid laser device (100), both a longitudinal mode and a transverse mode use the semiconductor laser (1) in a single mode. Since the semiconductor laser in the single mode both in the longitudinal mode and the transverse mode has a low oscillating threshold value and a high electro-optical conversion efficiency, a driving current can be minimized. The heat generation of the semiconductor laser is reduced because of the high electro-optical conversion efficiency, and the power required for the temperature control can be minimized. Accordingly, a portable use by driving a dry cell is enabled. 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SOLUTION: In a semiconductor-laser exciting solid laser device (100), a solid-laser medium (3) is excited by laser beams from the semiconductor laser (1), and fundamental waves of approximately 1064 nm are oscillated by an optical resonator (6) containing the solid-laser medium (3). In the semiconductor-laser exciting solid laser device (100), the fundamental waves are wavelength-converted into second higher harmonics of approximately 532 nm by a non-linear optical crystal (4), and green linear beams are emitted. In the semiconductor-laser exciting solid laser device (100), both a longitudinal mode and a transverse mode use the semiconductor laser (1) in a single mode. Since the semiconductor laser in the single mode both in the longitudinal mode and the transverse mode has a low oscillating threshold value and a high electro-optical conversion efficiency, a driving current can be minimized. The heat generation of the semiconductor laser is reduced because of the high electro-optical conversion efficiency, and the power required for the temperature control can be minimized. Accordingly, a portable use by driving a dry cell is enabled. COPYRIGHT: (C)2007,JPO&INPIT</abstract><oa>free_for_read</oa></addata></record> |
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| language | eng |
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| subjects | 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 |
| title | SEMICONDUCTOR-LASER EXCITING SOLID LASER DEVICE |
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