All optical and hybrid reflection switch at a...

Details All optical and hybrid reflection switch at a... All optical and hybrid reflection switch at a...

2006-05-19

2010-11-02

Toatley, Jr., Gregory J (Department: 2877)

Optics: measuring and testing

Of light reflection

With modulation

C356S445000

Reexamination Certificate

active

07826058

ABSTRACT:
The present invention includes a method of changing intensity of a reflected beam which may be expressed as a method of changing the amount of reflected light from a beam of light, the method comprising: (a) providing a substrate bearing a film of a reflective material; (b) directing a first beam of light at a reflecting point upon the reflective material so as to create a reflecting beam therefrom; (c) directing a second beam of light at the reflecting point upon the reflective material so as to alter the amount of light in the reflecting beam, and (d) detecting the change in the amount of light in the reflecting beam. The invention also includes an apparatus for changing the amount of reflected light from a beam of light and measuring that change, as well as related apparatus for providing a pulsed optical signal by changing the amount of reflected light from a beam of light.

REFERENCES:
patent: 7034981 (2006-04-01), Makigaki
patent: 2003/0155512 (2003-08-01), Arnone et al.
patent: 2004/0208584 (2004-10-01), Keller
patent: 2006/0182155 (2006-08-01), Windpassinger et al.

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