Reflective Optical Deflector
An optical deflection and reflective technology, applied in optics, optical components, instruments, etc., can solve problems such as high cost and complex structure, and achieve the effects of partial simplification, response frequency reduction, and cost reduction
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specific Embodiment approach 1
[0024] Specific implementation mode 1. Combination figure 1 As shown, the present invention provides a reflective optical deflector, comprising manganese-doped potassium tantalum niobate single crystal, the height of the manganese-doped potassium tantalum niobate single crystal changes according to a preset slope; the manganese-doped potassium tantalum niobate The two sides in the height direction of the potassium tantalum niobate single crystal are respectively connected to electrodes, and the two electrodes are respectively connected to the two poles of the power supply;
[0025] After the manganese-doped potassium tantalum niobate single crystal is connected to a power supply, a changing electric field is formed along the direction of height change; the manganese-doped potassium tantalum niobate single crystal deforms to varying degrees under the changing electric field, and presents different shapes on the reflective surface. The inclination angle makes the reflected beams...
specific Embodiment 1
[0038] Specific embodiment one: combine figure 1 As shown, as an example, in order to obtain a gradient distributed electric field, the Mn:KTN-1 crystal in the tetragonal phase at room temperature can be processed into the form of a right-angled trapezoid and gold electrodes are plated on the right-angled and inclined surfaces to apply an electric field. The DC voltage is tested to 400V, and the spot deflection position is collected by CCD.
[0039] Select the molar concentration of manganese as 0.5%;
[0040] The operation steps of the comparison experiment are as follows:
[0041]1. No external field conditions: The laser output laser with a wavelength of 532 nanometers, and the beam diameter is reduced through the telescope system. The reduced beam is reflected by the beam splitter and is incident on the single crystal material that has been polished as a mirror surface and coated with gold electrodes. surface. The reflected light beam is transmitted to the CCD through t...
specific Embodiment 2
[0046] Specific embodiment two: combine figure 1 As shown, as an example, in order to obtain a gradient distributed electric field, the Mn:KTN-2 crystal in the cubic phase at room temperature can be processed into the form of a right-angled trapezoid and gold electrodes are plated on the right-angled and inclined surfaces to apply an electric field. The DC voltage is tested to 800V, and the spot deflection position is collected by CCD.
[0047] Select the molar concentration of manganese as 0.5%;
[0048] The operation steps of the comparison experiment are as follows:
[0049] 1. No external field conditions: The laser output with a wavelength of 532 nanometers is used to reduce the beam diameter through the telescope system. The reduced beam is reflected by the beam splitter and is incident on the single crystal that has been polished as a mirror surface and coated with gold electrodes. material surface. The reflected light beam is transmitted to the CCD through the dichr...
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