Beam-shaping element for optical radiation and a method for...

Details Beam-shaping element for optical radiation and a method for... Beam-shaping element for optical radiation and a method for...

2007-10-23

2007-10-23

Nguyen, Thong Q (Department: 2872)

Optical: systems and elements

Light interference

Produced by coating or lamina

C359S359000, C359S577000

Reexamination Certificate

active

10484214

ABSTRACT:
A beam-shaping element comprises a carrier substrate (1) bearing a thin-layer metallization which is structured for shaping the beam of optical radiation. The thin-layer metallization includes at least two metallic layers (2, 3), which, upon impingement of the optical radiation (4), react with each other accompanied by a permanent change in color in response to a certain intensity and/or an irradiation period of the optical radiation (4).

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patent: 1 191 360 (2002-03-01), None
patent: WO 01/28478 (2001-04-01), None

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