A ccd pixel position deviation measurement device
A technology of deviation measurement and pixel position, applied in the aerospace field, can solve the problem of lack of a device for accurately measuring the position deviation of CCD pixels, and achieve the effect of strong adaptability and simple device
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[0019] The present invention will be further described now in conjunction with accompanying drawing.
[0020] refer to figure 1 , the CCD pixel position deviation measuring device of the present invention comprises: a frequency-stabilized laser 1, a splitting optical fiber 2, a frequency modulator 3 and a frequency difference drive controller 4; wherein the frequency-stabilized laser 1 provides laser with stable frequency and stable power; The beam-splitting fiber 2 splits the laser into two coherent laser beams with the same or nearly the same power; the two coherent laser beams are respectively input into the frequency modulator 3 of the two optical fiber interfaces, and the difference frequency drive controller 4 controls the two coherent laser beams The frequency difference of the laser makes the two beams of coherent lasers form a difference-frequency coherent laser 5 through the frequency modulator 3; the difference-frequency coherent laser 5 forms moving interference fr...
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