Oriented cutting method for preparing infrared non-linear optics element from yellow copper uniaxial negative crystal
A nonlinear optics, chalcopyrite technology, applied in the direction of manufacturing tools, stone processing equipment, fine working devices, etc., can solve the problems of operator's health impact, complex equipment, environmental pollution, etc., to achieve environmental protection. , The effect of simple operation and simplified operation procedures
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[0030] The method of the present invention will be further described in the form of embodiments in conjunction with the accompanying drawings.
[0031] In this example, the infrared nonlinear OPO optical element is prepared with chalcopyrite negative uniaxial crystal AGIS, and its phase matching angle θm=56.0°, azimuth angle .
[0032] The cleavage planes {112} and {101} are obtained through the presence of semi-open holes with uniform reflection on the surface of the AGIS crystal ingot.
[0033] In this embodiment, the steps of directional cutting are as follows:
[0034] (1) Determine the C-axis direction of the crystal
[0035] Such as figure 1 As shown, the known cleavage plane (112) of the AGIS crystal is placed at the origin position on the standard pole figure of the (112) plane of the said crystal with Wu’s grid scale, and then the crystal is rotated to place the other cleavage plane The normal direction of {101} is aligned with any pole in {101} on the standard p...
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