Detection device and detection method of optical ghost image
A detection device and ghost image technology, which is applied in the field of optical ghost images, can solve problems such as damage, ghost image deviation, processing, and installation errors, and achieve the effects of improving installation accuracy, facilitating operation, and improving accuracy
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[0035] The present invention will be further described below in conjunction with the embodiments and accompanying drawings, but the protection scope of the present invention should not be limited thereby.
[0036] see first figure 1 , figure 1 It is a schematic diagram of the optical path structure of the optical ghost image detection device of the present invention. It is a schematic diagram of a measurement device for ghost images on a single lens axis in Embodiment 1 of the present invention. It can be seen from the figure that the detection device for optical ghost images of the present invention includes a laser 1, and the laser beam output direction of the laser 1 is sequentially quasi Straight mirror 2, half-mirror 3 and full-mirror 4, in the direction of reflected light of said half-mirror 3 and full-mirror 4, aperture 5 with aperture and adjustable attenuation sheet are arranged successively The area array CCD detector 6, the area array CCD detector 6 is placed on t...
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