Tunable dispersive optical system

Details Tunable dispersive optical system Tunable dispersive optical system

2008-01-08

2008-01-08

Chang, Audrey (Department: 2872)

Optical: systems and elements

Light interference

Electrically or mechanically variable

C359S254000, C359S573000, C359S569000

Reexamination Certificate

active

07317575

ABSTRACT:
A novel dispersion optical system based on at least one grating is provided. The pitches of the grating are linearly modulated so that the incident light is dispersed into different monochromatic light at different diffraction angles. In such a system, an order sorting filter is not required to separate the light of a selected order from the rest of unwanted overlapped order.

REFERENCES:
patent: 6445502 (2002-09-01), Islam et al.
patent: 6643065 (2003-11-01), Silberman
patent: 6753994 (2004-06-01), Russell
patent: 6829092 (2004-12-01), Amm et al.

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