Method and device for producing vector vortex beam
A vortex beam and vector technology, applied in the direction of optics, optical components, instruments, etc., to achieve the effect of good versatility, strong practicability, and good stability of the optical path
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[0035] The technical scheme of the present invention will be described in further detail below in conjunction with the accompanying drawings.
[0036] Such as figure 1 As shown, a device for generating vector vortex beams is composed of laser 1, beam expander 2, pinhole 3, collimator 4, aperture stop 5, polarizer 6, depolarization beam splitter 7 , Reflective pure phase liquid crystal spatial light modulator 8, PC control terminal 9, quarter wave plate 10, radial analyzer 11, polarization rotator 12, converging lens 13, and CCD camera 14.
[0037] The laser 1, the beam expander 2, the pinhole 3, the collimator 4, the aperture stop 5, the polarizer 6, the depolarizing beam splitter 7, and the reflective pure phase liquid crystal spatial light modulator 8 are arranged coaxially in sequence, PC The control terminal 9 is connected to the reflective pure phase liquid crystal spatial light modulator 8; the incidence of the quarter wave plate 10, the radial analyzer 11, the polarization r...
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