Double-longitudinal-mode laser interlocking method and device based on thermoelectric refrigeration and acousto-optic frequency shift
An acousto-optic frequency shifter and acousto-optic frequency shifting technology, applied in the field of laser applications, can solve the problems of reference frequency difference, adverse effects of laser frequency stability, and low consistency of output laser frequency, so as to improve stability and frequency stability Accuracy, improved stability and environmental applicability, and the effect of suppressing laser wavelength drift and jump
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[0027] The implementation examples of the present invention will be described in detail below in conjunction with the accompanying drawings.
[0028] Such as figure 1 , figure 2 and image 3 As shown, the dual longitudinal mode laser interlock device based on thermoelectric cooling and acousto-optic frequency shifting in the device of the present invention includes a laser power supply A1, a frequency stabilization status indicator light 2, a reference dual longitudinal mode frequency stabilization laser 3, a polarization beam splitter A4, Optical fiber beam splitter 5, which also includes n≥1 double longitudinal mode lasers L with the same structure and in parallel relationship 1 , L 2 ,…, L n , where each dual longitudinal mode laser L 1 , L 2 ,…, L n The assembly structure is: the laser power supply B15 is connected to the laser tube 6, the laser tube 6 is placed in the heat-conducting metal cavity 13, the gap between the laser tube 6 and the heat-conducting metal c...
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