Frequency-doubling crystal temperature gradient compensation method temperature control apparatus

A frequency doubling crystal and temperature gradient technology, applied in the direction of temperature control, laser components, electrical components, etc., using electric methods, can solve problems such as unsatisfactory beam quality, and achieve the effect of easy adjustment

Inactive Publication Date: 2007-05-30
SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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Problems solved by technology

Measures such as angle adjustment and forced cooling have been taken, although higher frequency doubling efficiency has been obtained, but the beam quality is not very ideal
However, the effect of the thermal lens effect of the frequency doubling crystal on the stability of the laser output is much smaller than the effect of the thermal lens effect of the laser gain medium material on the stability of the laser output, so it is often ignored by researchers and there are few related studies.

Method used

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  • Frequency-doubling crystal temperature gradient compensation method temperature control apparatus

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Embodiment Construction

[0014] The present invention will be described in detail below in conjunction with the accompanying drawings, but the protection scope of the present invention should not be limited thereto.

[0015] Please refer to Fig. 1 first. Fig. 1 is a schematic structural diagram of a high-power solid-state laser frequency doubling crystal temperature gradient compensation temperature control device. It can be seen from the figure that the high-power solid-state laser frequency doubling crystal temperature gradient compensation temperature control device of the present invention is mainly composed of Forming structure and high-precision temperature control are composed of two parts.

[0016] In Fig. 1, the side of the laser frequency doubling crystal 5 close to the Y1 side in the Y1-Y2 direction is in close contact with one side of the copper heat sink 4, and the other side of the copper heat sink 4 is in close contact with the semiconductor refrigeration element. 3 The cooling surfaces...

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Abstract

This invention relates to one temperature control device for high power solid laser double frequency transistor temperature gradient compensation, which forms one dimension temperature gradient from top to down in different temperature point by combining control element transistor and forms temperature gradient different from top to down at double frequency transistor poison through adjusting laser work base wave to achieve the whole work temperature evenness.

Description

technical field [0001] The invention relates to a temperature control device for a solid-state laser, in particular to a temperature-control device for a high-power solid-state laser frequency doubling crystal temperature gradient compensation method. Background technique [0002] High-power solid-state frequency-doubled lasers are widely used in scientific research, medical treatment, communications, laser processing, and national defense and military fields. With the rapid development of semiconductor laser technology, high-power all-solid-state frequency-doubled lasers pumped by semiconductors have attracted more and more attention because of their high efficiency, small size, stable operation and long life. In recent years, research on quasi-continuous all-solid-state frequency-doubling lasers with high average power and high repetition rate at home and abroad is becoming one of the hot research topics in the field of high-power laser technology. [0003] The main facto...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/042H01S3/109G05D23/19
Inventor 赵智亮陈立华朱健强
Owner SHANGHAI INST OF OPTICS & FINE MECHANICS CHINESE ACAD OF SCI
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