System and apparatus for providing real-time wavelength correction for laser displacement interferometer
A technology of laser displacement and interferometer, which is applied in the direction of using optical devices, measuring devices, instruments, etc., can solve problems such as high cost, inability to achieve absolute frequency stability, and wavelength drift
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[0010] One embodiment of the present invention is figure 2 As shown, for any laser displacement interferometer composed of a laser light source, a displacement interference module and a moving mirror, as long as the laser light is separated into a beam (1) by a beam splitter, the device of the present invention can be used to sense the laser Real-time wavelength to provide wavelength correction for laser displacement interferometers.
[0011] Specify a representative figure:
[0012] (1) The designated representative for this case is as follows: figure 1 .
[0013] (2) A brief description of the component symbols in this representative diagram:
[0014] 1: split the beam from the laser displacement interferometer
[0015] 2: Penetrating grating film
[0016] 3: Diffraction beam
[0017] 4: Focusing lens
[0018] 5: Focus beam
[0019] 6: Optical position sensor
[0020] 7: Support table
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