Optimal design method of free-form surface lens for beam shaping of pumping laser system
A curved lens and optimized design technology, applied in the field of extremely weak magnetic detection, can solve problems such as complex and cumbersome process, difficult debugging, and long system, and achieve the effects of simplified system, high-efficiency uniform illumination, and reduced optimization variables
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[0029] Below in conjunction with accompanying drawing and according to the operation sequence of flow chart, the present invention will be further described:
[0030] Such as figure 1 As shown, the present invention provides a method for optimizing the design of a free-form surface lens for pumping laser system beam shaping, and the specific steps are as follows:
[0031] (1) Use a beam quality analyzer to test the pumped laser to obtain the size, shape, center position, azimuth and power intensity distribution information of the spot, and based on the Scheme macro language and surface light source generator function of the Tracepro software, the laser The light source is simulated; in this step, instead of directly selecting a Gaussian beam as an ideal light source to design the subsequent system, first use a beam quality analyzer to test the size, shape, center position, azimuth and power intensity distribution information of the spot and acquisition; secondly, based on the...
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