Two-dimensional spatial radiation modulator

Details Two-dimensional spatial radiation modulator Two-dimensional spatial radiation modulator

2007-10-26

2008-12-16

Martinez, Joseph (Department: 2873)

Optical: systems and elements

Deflection using a moving element

Pivotal or rotational element

C359S224200, C359S236000

Reexamination Certificate

active

07466468

ABSTRACT:
A two dimensional spatial radiation modulator rotated about a rotation axis to modulate components of an incident radiation beam to encode the beam. The modulator includes sub-regions in a first annular segment being patterned to form a pair of radiation filters having substantially complementary modulation functions. The pair of radiation filters produces a first encoded component with a characteristic determined by the relative intensities of radiation from the beam incident on the pair of filters. The modulator also includes sub-regions in a second annular segment being patterned to form a filter that produces a second encoded component with a characteristic determined by the total intensity of radiation from the beam incident on the filter.

REFERENCES:
patent: 4371785 (1983-02-01), Pedersen
patent: 5737076 (1998-04-01), Glaus et al.
patent: 6031609 (2000-02-01), Funk et al.
patent: 6271917 (2001-08-01), Hagler
The State Intellectual Property Office of the People's Republic of China, Notification of the First Office Action, Nov. 3, 2007, 9 pages.

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