Method and system for flexible and cost effective dynamic...

Details Method and system for flexible and cost effective dynamic... Method and system for flexible and cost effective dynamic...

2006-11-07

2006-11-07

Dunn, Drew A. (Department: 2872)

Optical: systems and elements

Polarization without modulation

By relatively adjustable superimposed or in series polarizers

C359S490020, C359S337100, C385S011000, C398S065000

Reexamination Certificate

active

07133202

ABSTRACT:
Method and system for flattening tilt gain with a digital title gain equalizer (“DTGE”) constructed with a linear tilt optical filter (“LTOF”). In a first embodiment, a DTGE flattens tilt gain with a combination of LTOF and a rotative half-wave plate. In a second embodiment, a DTGE flattens tilt gain with a combination of LTOF and variable Faraday rotators.

REFERENCES:
patent: 6498680 (2002-12-01), Zhou et al.

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