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Intracavity frequency doubling enhanced laser

An intra-cavity frequency doubling and frequency doubling light technology, applied in the field of lasers, can solve the problems of large ineffective loss, high power and low ineffective loss of lasers

Inactive Publication Date: 2017-02-15
BEIJING GK LASER TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] Aiming at the problems of large ineffective loss and low utilization rate of existing lasers, the present invention provides an intracavity frequency doubling enhanced laser, aiming to provide an intracavity frequency doubling enhanced laser with low ineffective loss, high utilization rate and high power type laser

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Embodiment Construction

[0014] The examples set forth below represent the necessary information to allow those skilled in the art to practice the invention and show the best mode of practicing the invention. Upon reading the following description in light of the accompanying drawing figures, those skilled in the art will understand the concepts of the invention and will recognize applications of these concepts not particularly addressed herein. It is to be understood that these concepts and applications fall within the scope of this disclosure and the appended claims. Below in conjunction with embodiment the present invention is further described.

[0015] See figure 2 , figure 2 A schematic structural diagram of an intracavity frequency-doubling enhanced laser provided by an embodiment of the present invention. Such as figure 2 As shown, the intracavity frequency-doubling enhanced laser provided in this embodiment includes a first reflector 210, a SHG characteristic crystal 220, a THG charact...

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Abstract

The present invention provides an intracavity frequency doubling enhanced laser. The laser comprises a first reflector, an SHG characteristic crystal, a THG characteristic crystal, a second reflector and a third reflector; the second reflector is configured to reflect the first frequency doubling light and the second frequency doubling light propagated in the THG characteristic crystal, the first frequency doubling light and the second frequency doubling light are reflected on a Brewster angle plane to the interior of the THG characteristic crystal, and the frequency doubling light to be reflected of the THG characteristic crystal is transmitted out; the third reflector is configured to reflect the first frequency doubling light and the second frequency doubling light propagated in the THG characteristic crystal, the first frequency doubling light and the second frequency doubling light are reflected on the Brewster angle plane, and the frequency doubling light to be reflected of the THG characteristic crystal is transmitted out; and the frequency doubling light to be used for refraction and the frequency doubling light to be used for reflection is recycled in the light path reversibility mode to the THG characteristic crystal for sum frequency, the frequency doubling light which fully employs the intracavity frequency doubling of the ultraviolet laser is recycled to reduce the invalid loss of the laser so as to maximize the sum frequency efficiency, and the recycled frequency doubling light can perform multi-time sum frequency so as to increase the power output of the ultraviolet light.

Description

technical field [0001] The invention belongs to the field of lasers, in particular to an intracavity frequency-doubling enhanced ultraviolet laser. Background technique [0002] Ultraviolet lasers are widely used in the field of industrial micro-processing, such as marking, drilling, scribing, welding, and cutting of industrial parts, as well as micro-processing of medical devices, packaging of electronic components, and three-dimensional molding of micro components . In addition, it has broad application prospects in microelectronics, spectral analysis, optical data storage, optical disc control, atmospheric detection, photochemistry, photobiology, space optical communication, laser-induced material atomic fluorescence and ultraviolet absorption, and medical treatment. The core of realizing the laser is mainly the laser working substance in the laser that can realize the inversion of the number of particles, that is, the working substance containing the metastable energy l...

Claims

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Application Information

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IPC IPC(8): H01S3/081H01S3/109
CPCH01S3/0815H01S3/109
Inventor 朱光马敬跃王家赞崔凌英张晶
Owner BEIJING GK LASER TECH
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