A liquid crystal spatial light modulator with controllable outgoing light direction
A spatial light modulator, the technology of outgoing light, applied in instruments, optics, nonlinear optics, etc., can solve the problems of low contrast, insufficient dark state, narrow viewing angle, etc.
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[0031] This embodiment provides a method for preparing a liquid crystal spatial light modulator with a controllable direction of outgoing light, including the following steps:
[0032] Step A: preparing a photosensitive layer 11;
[0033] In this embodiment, two glass substrates are selected as the upper glass substrate 1 and the lower glass substrate 13 respectively, and the second transparent conductive layer 12 is completely deposited on one side of the lower glass substrate 1; A micron-thick micron-doped amorphous silicon film is used as the photosensitive layer 11. The material of the photosensitive layer 11 in this embodiment is not limited to hydrogenated amorphous silicon film. According to common knowledge in the art, the material of the photosensitive layer 11 can be any suitable Material;
[0034] Step B: preparing a reflective layer;
[0035] First, on the photosensitive layer 11 prepared in step A, an electron beam evaporation method is used to deposit a metal A...
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