Detection device and detection method for deep ultraviolet depolarizer
A detection device and a depolarizer technology, applied in the direction of testing optical properties, etc., can solve the problem of difficulty in guaranteeing the quality of polarizers, and achieve the effects of avoiding uncertain phase shift, easy preparation, and simple optical path.
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[0059] Example 2
[0060] Please refer to first Figure 4 , Figure 4 It is a schematic structural diagram of a deep ultraviolet returner detecting device and a detection method according to the present embodiment, and the quasi-molecular laser wavelength is 193.4 nm.
[0061] The mirror group is a pair of plane mirrors, the mirror 1 and the horizontal plane angle are 45 °, the mirror 2 and the horizontal angle of -32.66 °; the expansion mirror group is a telephoto system, and the diameter of the incorrect 8mm, the expansion magnification is 11 times; after the light enlargement, it is incident to the Brocci cross-mirror 1; the reflected line polarization is incident to the delarger to be tested.
[0062] In this embodiment, the expanded mirror group prevents the introduction uncertain phase shift prior to the melting stone plane plane; if there are other needs, additional functional components must be added, and must be placed before the melted stone plane mirror 1. The melted ston...
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