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1048nm laser based on folded resonant cavity

A technology of lasers and resonators, applied in lasers, laser components, phonon exciters, etc., can solve problems that have not been reported

Pending Publication Date: 2022-06-21
SHANGLUO UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

For the continuous high power output of 1048nm, there is no relevant report

Method used

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  • 1048nm laser based on folded resonant cavity
  • 1048nm laser based on folded resonant cavity
  • 1048nm laser based on folded resonant cavity

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Embodiment Construction

[0041] The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, but not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0042] see Figures 1 to 7 , an embodiment of the present invention provides a 1048 nm laser based on a folded resonator, including:

[0043] The first composite laser strip is bonded with Yb:YAG of undoped YAG crystal at both ends;

[0044] The first cavity mirror, which is a plano-concave mirror, is arranged at the lower part of one side of the composite laser strip, with a curvature R=2000mm, and the reflective surface is coated w...

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Abstract

The invention discloses a 1048nm laser based on a folded resonant cavity, which belongs to the technical field of laser resonant cavities, and comprises a first composite laser batten, Yb: YAG of which two ends are bonded with non-doped YAG crystals, a first cavity mirror, a first reflecting mirror, a second reflecting mirror, a second cavity mirror, a third cavity mirror, a fourth cavity mirror, a fourth cavity mirror, a fifth cavity mirror, a fifth cavity mirror and a sixth cavity mirror, the second cavity mirror is arranged on the lower portion of the other side of the first composite laser batten, the second cavity mirror is located on the upper portion of the second reflector, laser is reflected out from the axis of the first cavity mirror, a light path passes through the composite laser batten, is reflected between the first reflector and the second reflector and is finally output through the second cavity mirror, and 1048 nm single-wavelength output is achieved by increasing intracavity loss of 1030 nm laser. In the folded cavity structure of the device, under the pumping of 3.65 kW, the output power is 0.713 kW, and the light beam quality beta factor is equal to 2.3.

Description

technical field [0001] The invention relates to the technical field of laser resonators, and more particularly to a 1048 nm laser based on a folded resonator. Background technique [0002] Yb:YAG has the characteristics of wide absorption linewidth and gain linewidth, low quantum defect, low photothermal conversion efficiency, and high photoelectric conversion efficiency, so it is widely used in high-power, high-efficiency, LD-pumped laser research. Diode-pumped solid-state laser (DPSSL) has the advantages of small size, high brightness, full curing, simple structure, easy integration, stable performance, high beam quality, easy use and maintenance, etc. It is one of the main ways to achieve Yb:YAG laser output. one. [0003] In 2001, Zhang Lizhe, Dai Chunming and others from Tianjin University reported a tunable all-curing Yb:YAG laser. Using the traditional four-mirror X-type astigmatism compensation cavity, when the pump power is 900mW, a CW laser output with a center w...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/081H01S3/0941H01S3/16
CPCH01S3/0813H01S3/0815H01S3/0941H01S3/1643
Inventor 雷健
Owner SHANGLUO UNIV
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