A Holographic Display Method for Augmented Reality Based on Complex Amplitude Modulation
An augmented reality and holographic display technology, applied in the field of holographic display, can solve problems such as augmented reality display obstacles, and achieve the effects of eliminating reconstructed image speckle, improving image quality, and enhancing image contrast.
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Embodiment 1
[0040] An augmented reality holographic display method based on complex amplitude modulation, comprising the following steps:
[0041] (1) Lay out the display system.
[0042] Such as figure 1 As shown, the point light source 2, the phase-type spatial light modulator 3, the lens 4 and the filter diaphragm 5 are arranged in sequence, and the positional relationship between the point light source 2, the lens 4 and the filter diaphragm 5 satisfies the imaging formula, and the spatial light modulator 3. Connect with the computer 1 that generates the phase hologram through a data line. The spherical wave emitted by the point light source 2 enters the phase-type spatial light modulator 3, and then enters the human eye through the lens and the filter diaphragm in sequence. The position of the phase-type spatial light modulator 3 forms an input plane (x, y), and the aperture is located on a spectrum plane (u, v).
[0043] Augmented reality display systems using reflective phase-typ...
Embodiment 2
[0085] use image 3 The structure shown results in a display system. That is, the computer 1 is connected to the reflective phase-type spatial light modulator 3 through a data line, and the reflective phase-type spatial light modulator 3, the second beam-splitting prism 7, the lens 4, the first beam-splitting prism 8, and the filter diaphragm 5 are arranged in sequence , the point light source 2 is located on the upper part of the second dichroic prism 7 . The relative positions of the above optical elements are set so that the light emitted by the point light source 2 passes through the second dichroic prism 7 and enters the reflective phase-type spatial light modulator 3, and then passes through the second dichroic prism 7, the lens 4, and the first dichroic prism in sequence. 8 and filter aperture 5.
[0086] Point light source 2 adopts LED point light source, which emits green light with a wavelength of about 532 nanometers for projection; phase spatial light modulator 3...
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