Spatial light modulator having amplitude coupled with binary pha

Details Spatial light modulator having amplitude coupled with binary pha Spatial light modulator having amplitude coupled with binary pha

1995-01-12

1996-07-09

Gross, Anita Pellman

Optical: systems and elements

Holographic system or element

Using a hologram as an optical element

359 72, 359561, G02F 11335, G02F 1135

Patent

active

055350291

ABSTRACT:
An SLM rotates linearly polarized incident light, produced by a first polarizer, through a continuous range of angles up to a maximum angle, eg. seventy degrees. The second output polarizer is oriented orthogonally with respect to the angular thirty-five degrees bisector between the first polarization state at zero degrees rotation and the maximum possible angular rotation at seventy degrees and accordingly, a single SLM can be operated in an amplitude coupled binary phase mode.

REFERENCES:
patent: 4609256 (1986-09-01), Nakamura
patent: 4715683 (1987-12-01), Gregory et al.
patent: 5024508 (1991-06-01), Horner
patent: 5148316 (1992-09-01), Horner et al.
patent: 5418380 (1995-05-01), Simon et al.
Horner et al., "Pattern Recognition with Binary Phase-Only Filters", Applied Optics, vol. 24, No. 5, 1 Mar. 1985, pp. 609-610.

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