Method for acquiring hyper-stable Stokes frequency shift light
A frequency-shifting and stable technology, applied in the field of nonlinear optics, can solve the problems of poor Stokes frequency-shifting light stability, and achieve the effects of wide application range, high stability, and controllable intensity
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specific Embodiment approach 1
[0010] Embodiment 1: This embodiment is described in conjunction with FIG. 1, a method for obtaining ultra-stable Stokes frequency-shifted light, the method for obtaining ultra-stable Stokes frequency-shifted light includes a 1 / 2 wave plate 1, a first polarizer 2, the second polarizer 3, the first reflection mirror 5, the second reflection mirror 4, the first dielectric pool 6, the second dielectric pool 7, lens 8, attenuation plate 11 and 1 / 4 wave plate 12, obtain with this device The method of ultra-stable Stokes frequency-shifted light is as follows: the linearly polarized light input by the system is incident on the 1 / 2 wave plate 1, transmitted through the 1 / 2 wave plate 1 to the first polarizer 2, and divided into The transmitted light beam A and the reflected light beam C, the light beam A is incident on the first medium pool 6, and the initial part of the pulse front of the light beam A passes through the first medium pool 6 and is incident on the attenuation sheet 11, ...
specific Embodiment approach 2
[0012] Embodiment 2: The difference between this embodiment and the method for obtaining ultra-stable Stokes frequency-shifted light described in Embodiment 1 is that the linearly polarized light input by the system is the linearly polarized light in the P direction or the linearly polarized light in the S direction. Light.
[0013] In this embodiment, the linearly polarized light vibrating in the P or S direction passes through the 1 / 2 wave plate 1 to adjust the polarization direction, wherein the P component and the S component each account for 50%.
specific Embodiment approach 3
[0014] Embodiment 3: The difference between this embodiment and the method for obtaining ultra-stable Stokes frequency-shifted light described in Embodiment 2 lies in the Brillouin medium in the first dielectric pool 6 and the second dielectric pool 7 The medium in is the same Brillouin medium, and both are CS 2 , CCl 4 , FC-72, FC-75, acetone or ethanol.
[0015] The invention is applicable to incident laser light with different wavelengths, and it only needs that the Brillouin gain spectrum of the selected medium corresponds to the incident laser light.
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