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Hectowatt level 1.9 micrometer solid laser generating device

A technology of solid-state lasers and generating devices, which is applied in the direction of lasers, phonon exciters, laser components, etc., can solve problems such as difficult adjustment of optical paths, and achieve the effects of solving the difficulty of light adjustment, saving adjustment technology, and good adjustment results

Inactive Publication Date: 2018-01-09
HARBIN INST OF TECH
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problem that the optical path of complex optical resonators is difficult to adjust at present, and propose a high-power solid-state laser device that automatically adjusts the optical path under computer control

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  • Hectowatt level 1.9 micrometer solid laser generating device

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Embodiment Construction

[0023] In order to make the purpose, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings. Obviously, the described embodiments are only some of the embodiments of the present invention, rather than all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0024] Preferred embodiments of the present invention will be described in detail below in conjunction with the accompanying drawings.

[0025] Such as figure 1 As shown, the present invention relates to a 100W-level 1.9 micron solid-state laser generating device, which includes four semiconductor lasers and resonant cavities, and each semiconductor laser emits LD pump light with a wavelength of 790nm, and the resonant cavity is a folde...

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Abstract

The invention relates to a hectowatt level 1.9 micrometer solid laser generating device. The device includes a first optical system comprising a first laser generating device (1), a first holophote (5), a first laser crystal (9), a second holophote (6), a second laser generating device (2), a mode selecting device (11) and an output lens (120; a second optical system comprising a third laser generating device (3), a second holophote (6), a second laser crystal (10), a third holophote (7), a fourth laser generating device (4), a mode selecting device (11) and an output lens (12). The first holophote, the second holophote, the third holophote and volume grating (8) are disposed on a first 3D rotary table, a second 3D rotary table, a third 3D rotary table and a fourth 3D rotary table respectively. A computer control system (13) controls the states of the first 3D rotary table, the second 3D rotary table, the third 3D rotary table and the fourth 3D rotary table automatically until ideal laser output is acquired.

Description

technical field [0001] The invention relates to a solid-state laser generating device, in particular to a hundred-watt-level 1.9-micron solid-state laser generating device. Background technique [0002] Water molecules have a strong absorption of 1.9 micron laser light, so it can be used as a light source for medical laser scalpels, and has important application value in laser medical treatment. The single-doped Tm crystal has a large gain in the 1.9 μm band, and is suitable as a gain medium for generating 1.9 μm laser. Single-doped Tm solid-state lasers convert about 25% of the pump power into waste heat during operation, so traditional rod or bulk crystals are difficult to operate stably at high power. The slab Tm laser has good heat dissipation and can obtain high-power 1.9μm band laser, but its output spot is linear, the beam quality factor M2 value is usually above 30, and the laser beam brightness is low, which is not convenient for practical application in scientific...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/081H01S3/094H01S3/105
Inventor 段小明李林军杜鹏远姚宝权王月珠
Owner HARBIN INST OF TECH
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