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Cooling system and method for solid-state laser

A cooling system and laser technology, applied in the direction of lasers, laser components, phonon exciters, etc., can solve the problem of not being able to provide laser cooling, achieve the effect of improving uniform cooling and reducing heat transfer efficiency

Inactive Publication Date: 2011-09-28
TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] In addition, the laser cooling device of the prior art cannot solve some cooling problems of small-volume and high-power lasers, especially the uniform cooling of laser components when the volume or surface area of ​​the laser is small but the power (heat generation) is large. The problem

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  • Cooling system and method for solid-state laser
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  • Cooling system and method for solid-state laser

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Embodiment Construction

[0030] Various embodiments of the present invention will now be described in detail with reference to the accompanying drawings.

[0031] Such as figure 1 As shown, a schematic structural schematic diagram of a cooling system for a solid-state laser according to the present invention is shown. The cooling system includes a compressor 1 , a condenser 2 , a throttling device 3 , a laser crystal cooler 5 and a laser diode cooler 4 . They are sequentially connected by coolant pipelines to form a vapor compression refrigeration cycle, and the coolant circulates in the loop. Specifically, the low-temperature and low-pressure coolant vapor becomes high-temperature and high-pressure coolant vapor under the action of the compressor 1, enters the condenser 2 to dissipate heat to the external medium, and becomes a high-temperature and high-pressure coolant liquid, which is throttled by the throttling device 3 Then it becomes a low-temperature and low-pressure gas-liquid two-phase coola...

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Abstract

The invention provides a cooling system for a solid-state laser, which is characterized by comprising a compressor (1), a condenser (2), a throttle device (3), a cooler and a coolant which are communicated in sequence to form a circulation circuit, wherein the coolant circularly flows in the circulation circuit, the cooler is used to cool the heating elements of a laser, and multiple microchannels penetrate through the cooler and are used for the coolant to flow through; and in the circulation circuit, two oil separators (6) are respectively arranged at the upstream of the condenser (2) and the downstream of the compressor (1). Besides, the invention also provides a cooling system for another laser. The invention also relates to a cooling method for the laser.

Description

technical field [0001] The invention relates to cooling of electronic components, especially high-power and small-volume electronic components, in particular to a cooling system and method for solid-state lasers. Background technique [0002] The main heating elements of solid-state lasers are laser diodes and laser crystals. With the rapid development of solid-state laser technology, the volume and surface area of ​​solid-state laser generators are getting smaller and smaller, but the power is getting bigger and bigger, so the heat flux of heat dissipation is getting higher and higher (for example, the total power of a single high-power solid-state laser Typically tens of watts to hundreds of watts, and the contact area is small, so the heat flux density is very large, reaching the order of hundreds of watts to several kilowatts per square centimeter), traditional air cooling, semiconductor cooling and heat pipe cooling methods have been It is difficult to realize the cool...

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Application Information

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IPC IPC(8): H01S3/042
Inventor 邵双全徐洪波田长青
Owner TECHNICAL INST OF PHYSICS & CHEMISTRY - CHINESE ACAD OF SCI