Alkali metal vapor laser light source for laser interferometer gravitational wave detector
A laser interferometer and alkali metal technology, applied in the field of cosmic observation and laser, can solve the problem of uneven heating of the lens, and achieve the effect of high electro-optical efficiency, compact structure and high beam quality
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[0026] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments.
[0027] figure 2 It is a schematic structural diagram of a single-frequency single high-order mode light source based on an alkali metal vapor laser according to the present invention.
[0028] A single-frequency single high-order mode light source based on an alkali metal vapor laser according to the present invention includes a semiconductor pump source 1, a No. 1 convex lens 2, a No. 1 dichroic mirror 3, an alkali metal vapor pool 4, an etalon 5, and a No. 1 concave lens 6 , No. 2 convex lens 7, diaphragm 8, phase plate 9, No. 2 concave lens 10, No. 2 dichroic mirror 11, light barrier 12, No. 3 concave lens 13, plane mirror 14, polarization beam splitter prism 15, CCD 16, No. 3 convex lens 17, wavelength Meter 18, No. 1 proportional differential integral control unit 19, No. 1 annular piezoelectric ceramic 20, No. 2 proportional differentia...
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