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Crystal constant temperature furnace

A constant temperature furnace and crystal technology, applied in the field of lasers, can solve problems such as high clean environment requirements

Pending Publication Date: 2022-07-26
KEY & CORE TECH INNOVATION INST OF THE GREATER BAY AREA
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to solve the technical problem in the prior art that the frequency doubling crystal needs a high clean environment in the constant temperature cavity that accommodates the frequency doubling crystal during the short-wavelength laser output process

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Embodiment Construction

[0024] Exemplary embodiments embodying the features and advantages of the present invention will be described in detail in the following description. It should be understood that the present invention can have various changes in different embodiments without departing from the scope of the present invention, and the descriptions and drawings therein are essentially used for illustration rather than limitation this invention.

[0025] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", " rear, left, right, vertical, horizontal, top, bottom, inside, outside, clockwise, counterclockwise, etc., or The positional relationship is based on the orientation or positional relationship shown in the accompanying drawings, which is only for the convenience of describing the present application and simplifying the description, rather than indicating or implying that th...

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Abstract

The invention provides a crystal constant temperature furnace. The crystal constant temperature furnace comprises a crystal holder, a furnace body and a lens, the crystal holder is used for fixing a frequency doubling crystal, and a front-back through containing cavity used for containing the crystal holder is formed in the furnace body and used for conducting constant-temperature heating on the frequency doubling crystal fixed in the crystal holder; the lens is connected to one end of the furnace body and used for sealing one end of the furnace body; the furnace body is provided with an air inlet channel communicated with the containing cavity, the air inlet channel is obliquely arranged towards the lens, and an air outlet of the air inlet channel is located between the frequency doubling crystal and the lens. Clean gas enters the containing cavity through the gas inlet channel, the clean gas is blocked by the lens and flows out along the outlet in one end, opposite to the lens, of the furnace body, and therefore dust and volatile matter on the surface of the frequency doubling crystal are taken away in the blowing process in the gas flowing process, and cleaning of the frequency doubling crystal in the whole crystal constant temperature furnace is achieved.

Description

technical field [0001] The invention relates to the technical field of lasers, in particular to a crystal constant temperature furnace. Background technique [0002] With the development of solid-state lasers, laser frequency doubling technology is widely used in the field of short-wavelength lasers. Laser frequency doubling, also known as "second harmonic", is to use the second nonlinear effect of nonlinear crystal under the action of strong laser, so that the laser with frequency ω becomes frequency doubled light with frequency 2ω after passing through the crystal. Commonly used nonlinear crystals are LBO, KTP, KDP, BBO, CLBO, etc. The second frequency doubling can pass the 1064nm infrared incident light through the nonlinear crystal to generate 532nm green light, the third frequency doubling can generate 355nm ultraviolet light, and the fourth frequency doubling can generate 266nm deep ultraviolet light. Therefore, the application of laser frequency doubling technology ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H01S3/042C30B33/00B08B5/02
CPCH01S3/042C30B33/00B08B5/023
Inventor 翁清王家赞孙涛扈金富杨军红刘浩
Owner KEY & CORE TECH INNOVATION INST OF THE GREATER BAY AREA
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