A method, system and device for heating a large-aperture nonlinear crystal

A technology of nonlinear crystals and heating methods, which is applied in nonlinear optics, auxiliary controllers with auxiliary heating devices, temperature control using electric methods, etc., and can solve the problem that the temperature distribution of large-aperture nonlinear crystals presents a Gaussian distribution, etc.

Active Publication Date: 2021-12-21
NANJING TECH UNIV
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Problems solved by technology

[0003] The invention discloses a large-aperture nonlinear crystal heating method, system and device, which solves the problem that the existing large-aperture nonlinear crystal heating method and system cannot realize the Gaussian distribution of the large-aperture nonlinear crystal temperature distribution, and can make The temperature distribution of the large-aperture nonlinear crystal presents a Gaussian distribution, and the heating method and heating device are simple and easy to implement

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  • A method, system and device for heating a large-aperture nonlinear crystal
  • A method, system and device for heating a large-aperture nonlinear crystal
  • A method, system and device for heating a large-aperture nonlinear crystal

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[0029] Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals designate the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the figures are exemplary only for explaining the present invention and should not be construed as limiting the present invention.

[0030] In the description of the present invention, it should be understood that orientation words such as "front, back, up, down, left, right", "horizontal, vertical, vertical, horizontal" and "top, bottom" etc. indicate the orientation Or positional relationship is generally based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description. In the absence of a contrary description, these orientation words do not indicate or imply...

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Abstract

The invention provides a large-diameter nonlinear crystal heating method, system and device. The heating method includes: sealing the cavity; using heating equipment to heat the large-diameter nonlinear crystal placed in the sealed cavity; preset constant temperature electric heater control the heating device to heat the large-diameter nonlinear crystal, so that the temperature of the large-diameter nonlinear crystal reaches the temperature value of the constant temperature electric heater, and maintain a stable state; turn on the exhaust device while the The heating device continues to heat the large-diameter nonlinear crystal; control the heating device and the exhaust device to keep the temperature in the sealed cavity constant; use the temperature measuring device to measure the temperature distribution of the large-diameter nonlinear crystal, and compare with the expected The temperature distribution is compared to solve the problem that the large-aperture nonlinear crystal heating method cannot realize the Gaussian distribution of the crystal temperature distribution, so that the temperature distribution of the large-aperture nonlinear crystal presents a Gaussian distribution, and the heating method is simple and easy to implement.

Description

technical field [0001] The invention relates to the field of crystal temperature control, in particular to a heating method, system and device capable of realizing Gaussian distribution of large-aperture nonlinear crystal temperature distribution. Background technique [0002] Large-aperture crystal components are important optical components in laser equipment, which undertake the function of laser frequency conversion. The crystal is characterized by large diameter, fragility, deliquescence, and small thermal conductivity. In order to realize the high-energy frequency multiplication conversion of the crystal under the condition of non-critical phase matching, the traditional method only needs to control the temperature of the crystal at a specific temperature. Yes, and it is enough to ensure the overall uniformity of the crystal (ΔT≤0.1°C). In the patent document CN11136733A, the heating system is specifically disclosed, that is, the large-diameter nonlinear crystal and th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G05D23/30G02F1/355
CPCG05D23/30G02F1/3551
Inventor 孙付仲孙小雨杨征
Owner NANJING TECH UNIV
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