Curvature wavefront sensor based on digital micromirror device
A digital micromirror device and wavefront sensor technology, which is applied in the field of optical information measurement, can solve the problems of working wavelength sensitivity and light energy utilization rate reduction, and achieve the effects of avoiding additional aberration, fast modulation speed, and improving measurement accuracy
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[0017] In order to make the objectives, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to specific embodiments and accompanying drawings.
[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.
[0019] The principle of the present invention: the curvature wavefront sensor technology requires the photodetector array to obtain the light intensity distribution images on the two symmetrical defocus planes before and after the lens focal plane, but when designing the actual realization device structure, the structure should be simple, The utilization rate of light energy is high, the synchronous or pseudo-synchronous detection of front and rear focal plane image detection, and the reliability of the system are guaranteed, and the detection speed and accuracy are not greatly affected. Digital Micromi...
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