A solid-state laser capable of realizing infrared, green and ultraviolet three-band output

By integrating the seed source, wavelength switching module, and electronic control module, the problems of large and complex structure and unstable optical path of traditional three-band laser output systems are solved, and compact and efficient three-wavelength laser output is achieved.

CN224384787UActive Publication Date: 2026-06-19GUANGZHOU CHAOYUAN LASER TECHNOLOGY CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
GUANGZHOU CHAOYUAN LASER TECHNOLOGY CO LTD
Filing Date
2025-09-15
Publication Date
2026-06-19

AI Technical Summary

Technical Problem

Traditional three-band laser output systems are large, complex, and costly. They are difficult to debug and have poor stability, and are prone to inaccuracy due to environmental vibration or temperature drift.

Method used

The design integrates a seed source, wavelength switching module, and electronic control module, including a polarization switching unit, frequency doubling unit, sum-frequency unit, and optical path selection unit. It achieves the generation, switching, and output of three wavelengths through a servo motor and a nonlinear crystal. Combined with the control of a temperature control module and acousto-optic Q, it achieves the stability and flexibility of the optical path.

Benefits of technology

It achieves efficient integration of three wavelengths, has a compact system structure, significantly improves optical path stability, simplifies the debugging process, and reduces system complexity and cost.

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Abstract

The utility model relates to a kind of solid-state laser that can realize infrared, green light and ultraviolet three waveband output, comprising: seed source, wavelength switching module and electric control module;The seed source is used to output 1064nm fundamental frequency light to wavelength switching module;The wavelength switching module includes polarization switching unit, frequency doubling unit, sum frequency unit and optical path selection unit;The polarization switching unit is set on the light path of the seed source, for selectively changing the polarization state of incident fundamental frequency light, the frequency doubling unit is set on the light path of the polarization switching unit, for converting 1064nm fundamental frequency light into 532nm laser;The sum frequency unit is used to convert 1064nm fundamental frequency light and 532nm laser into 355nm laser;The optical path selection unit is connected with the electric control module, for selectively guiding light path path according to the instruction of the electric control module, so that solid-state laser outputs 1064nm, 532nm or 355nm wavelength laser, generate, switch and output function of three wavelengths are highly integrated on a shared optical platform, the huge volume and complicated debugging brought by multiple independent laser oscillators or complex external cavity optical path in traditional scheme are saved, system structure is compact, optical path stability is significantly improved.
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