Roll angle measurement device and method based on array-type multiple reflections
A technology of roll angle measurement and multiple reflections, applied in the direction of measuring devices, optical devices, instruments, etc., can solve problems such as difficult resolution, and achieve the effect of improving resolution
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[0019] The present invention will be described in further detail below in conjunction with the accompanying drawings:
[0020] See figure 1 with figure 2 , The present invention is based on an array-type multiple reflection roll angle measuring device, which includes a dual-frequency laser 1, a 1 / 2 wave plate 7 and two sets of corner cube arrays; a beam splitting prism 2 is provided behind the optical axis of the dual-frequency laser 1, The reflection optical axis of the beam splitter 2 is provided with a first analyzer 3 and a first photoelectric receiver 4; the transmission optical axis of the beam splitter 2 is provided with a quarter wave plate 5; the 1 / 2 wave plate 7 is located in two sets The middle of the corner cube array; a right angle reflecting prism 8 is provided on the exit optical axis of the two sets of corner cube arrays, and a second analyzer 9 and a second photoreceiver 10 are provided on the reflecting optical axis of the right angle reflecting mirror 8 The o...
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