A compact nanostructure waveguide display method and system with enlarged exit pupil
A nanostructure and display method technology, which is applied in the direction of optical waveguide light guide, instrument, optics, etc., can solve the problems of light exit pupil diameter limitation, inability to expand the exit pupil effect, complex system structure, etc., to achieve uniform exit beam and improve diffraction Efficiency and field of view, the effect of reducing system volume
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[0026] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. The following examples are used to illustrate the present invention, but are not intended to limit the scope of the present invention.
[0027] refer to figure 2 , figure 2 It is a flow chart of a method for displaying a compact nanostructure waveguide with enlarged exit pupil provided by an embodiment of the present invention. The method includes:
[0028] S1, attaching the micro-display on one side of the waveguide to emit a scattered beam into the waveguide and irradiating it on the in-coupling diffraction element arranged on the side of the waveguide and attached to the slope of the waveguide;
[0029] S2 The in-coupling diffraction element modulates the scattered light beam to generate parallel light beams that propagate in the waveguide in a manner of total reflection;
[0030] S3 When the parall...
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