digital micromirror array dmd beam expander
A digital micromirror array and micromirror technology, applied in the field of digital micromirror array DMD, can solve problems such as light energy loss, and achieve the effect of expanding the divergence angle
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[0014] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below in conjunction with the accompanying drawings. The described embodiments are part of the embodiments of the present invention, not all of them. example.
[0015] Figure 4 It is a schematic diagram of a digital micromirror array DMD beam expander device according to an embodiment of the present invention, as Figure 4 As shown, a digital micromirror array DMD beam expander includes: DMD micromirror 10, polarizer 20, analyzer 30 and λ / 4 wave plate 40; incident light is modulated into the first line through polarizer 20 Polarized light, the first linearly polarized light is reflected to the DMD micromirror 10 by the analyzer 30; 10 The static normal is at an angle of 24°; the λ / 4 wave plate 40 is located between the analyzer 30 and the DMD micromirror 10, and ...
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