Saturated absorption frequency stabilization device based on single beam expansion
A single-beam, frequency-stabilized technology, used in lasers, laser parts, semiconductor lasers, etc., can solve problems such as affecting the shape of the saturable absorption spectrum, and achieve the effects of reducing deterioration, improving stability and compactness
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[0020] The present invention will be further described below in conjunction with specific embodiments and accompanying drawings, but the protection scope of the present invention should not be limited thereby.
[0021] like figure 1 Shown is a miniaturized and stable saturable absorption frequency stabilization device based on single beam expansion. It can be seen from the figure that the single beam expansion saturation absorption frequency stabilization device of the present invention includes a beam expansion system composed of lens 1 and lens 2, along the The beam output direction of the beam expander system is the first aperture 3 fixed in the installation housing 12, the polarizing beam splitter 4, the saturated absorption bubble 5, the second aperture 6, the quarter-wave plate 7, the attenuation plate 8 and the zero-degree reflector 9, after being reflected by the zero-degree reflector 9, the light beam passes through the attenuation plate 8, the quarter-wave plate 7, t...
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