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Disc laser

A technology of lasers and discs, which is applied in the direction of lasers, laser parts, laser parts, etc., can solve the problems of processing size, installation accuracy constraints, high-power disc laser power amplification, etc., and achieve effective control.

Pending Publication Date: 2019-03-19
DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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Problems solved by technology

[0004] However, the amplification of high-power disk lasers is restricted by the pumping method. Using the existing technology to realize the scaling of the output power of high-power disk lasers and obtain the power amplification of high-power disk lasers is limited by the processing size of the aspheric mirror and the adjustment accuracy. Restricted by technical factors such as

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Embodiment Construction

[0025] In order to make the objects and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with specific embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention. This specific embodiment is explained with the working principle of the all-solid-state fiber laser pumped with the same band.

[0026] figure 1 A schematic diagram of a disk laser in Embodiment 1, LD pump source 1, focusing system 3, homogenizing rod 2, focusing mirror 4, mirror group (5), disk crystal 6 and heat sink 7, output coupling mirror 8 and other seven parts. There is an opening in the center of the focusing mirror 4, and an oblique light hole 9 can be opened at any point on the ring with the center as the center, so that the LD pump light can pass through the light hole 9 on the focusing mirror 4, and directly pump the LD The...

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Abstract

The invention discloses a disc laser, which comprises eight parts: an LD pump source, a homogenizing rod, a focusing system, a focusing mirror, a reflector set, a disc crystal, a heat sink, an outputcoupling mirror and the like. A semiconductor laser is used to perform multiple times of end-surface pump on the disc laser; and through an inclined through hole on a belt at the front end of the focusing mirror, incident pump light is directly irradiated on the disc crystal and reflected by the reflector set, and multiple times of absorption of the pump light by the disc crystal can be realized.The rear surface of the disc crystal is coated with a laser high reflective film, a resonant cavity is formed with the output coupling mirror, and laser output is acquired.

Description

technical field [0001] The invention relates to the field of all solid-state lasers, in particular to the field of a disc laser. Background technique [0002] Disk laser is a new type of laser with high average power, high beam quality and high conversion efficiency. At present, a new generation of solid-state lasers represented by fiber lasers and disk lasers has become a typical representative of the laser family. Since the crystal of the disk laser is very thin, the absorption of the pump light is limited each time, so it is necessary to use a multi-stroke pumped disk laser to allow the pump light to pass through the disk laser multiple times to obtain high absorption of the pump light. Efficiency, so multi-stroke disk laser pumping, high-power disk solid-state laser high-efficiency and stable operation of the core technology. Among them, the amplification of the disk laser is mainly to increase the pumping area on the disk crystal. [0003] In 2003, U.S. Patent Steffe...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/06H01S3/081H01S3/091H01S3/04H01S3/042
CPCH01S3/0405H01S3/042H01S3/0604H01S3/0816H01S3/091
Inventor 公发全刘锐李刚贾勇邓淞文孙天祥王锋潘艳伟金玉奇
Owner DALIAN INST OF CHEM PHYSICS CHINESE ACAD OF SCI
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