Generation of a desired wavefront with a plurality of phase...

Details Generation of a desired wavefront with a plurality of phase... Generation of a desired wavefront with a plurality of phase...

2004-06-25

2009-02-17

Bella, Matthew C (Department: 2624)

Image analysis

Pattern recognition

Template matching

C382S210000

Reexamination Certificate

active

07492948

ABSTRACT:
The present invention relates to a method and a system for synthesizing an intensity pattern based on generalized phase contrast imaging. The phase filter contains a plurality of phase shifting regions that is matched to the layout of a light source array, each of the regions being positioned at the zero-order diffraction region of a respective element of the array. Further, the shape of each phase shifting region may match the shape of the zero-order diffraction region of the respective element. Thus, the energy of the electromagnetic fields of the system may be distributed over a large area compared to the area of a zero-order diffraction region of a single plane electromagnetic field of a known phase contrast imaging system.

REFERENCES:
patent: 2662187 (1953-12-01), Kavanagh
patent: 3729252 (1973-04-01), Nelson
patent: 2003/0030902 (2003-02-01), Fukushima et al.
patent: WO 96/34307 (1996-10-01), None
patent: WO 02/052332 (2002-07-01), None
Paul C. Mogensen and Jesper Gluckstad, Dynamic Array Generation and Pattern Formation for Optical Tweezers, Optics Communications 175 (2000) 75-81, Dec. 15, 1999.
Jesper Gluckstad, Phase Contrast Image Synthesis, Optics Communications 130 (1996) 225-230, May 10, 1996.

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