Large-view-field photoelectric auto-collimator for secondary imaging
A photoelectric autocollimator and secondary imaging technology, applied in optics, instruments, optical components, etc., can solve the problems of large measurement range and high measurement accuracy
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[0019] The present invention will be further described in detail below in conjunction with the drawings and specific embodiments:
[0020] Such as figure 1 As shown, the structure of the entire system mainly includes semiconductor laser 1, illumination reticle 2, beam splitter 3, collimating objective lens group 4, measuring reticle 6, white light LED7, CCD imaging objective lens 8, CCD9 (high-definition CCD 4 million Pixels), aperture group 10. The laser light emitted by the semiconductor laser 1 emits a thin beam of laser light through the dark bottom bright line cross reticle of the illuminated reticle 2, and then passes through the beam splitter 3 and is incident on the external mirror 5 through the collimating objective lens group 4. The external mirror 5 After the reflected light beam passes through the collimating objective lens group 4 and the beam splitter 3, it is reflected and imaged onto the measuring reticle 6. When the external reflector 5 is tilted, the light beam...
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