Optical multilayer structure and its production method,...

Details Optical multilayer structure and its production method,... Optical multilayer structure and its production method,...

2005-02-01

2005-02-01

Boutsikaris, Leo (Department: 2872)

Optical: systems and elements

Light interference

Produced by coating or lamina

C359S577000, C359S578000, C359S584000, C359S589000, C359S247000, C359S290000, C385S016000

Reexamination Certificate

active

06850365

ABSTRACT:
Provided is an optical multilayer structure having a simpler configuration, flexibility in selection of materials and improved reliability in wiring and capable of high-speed response even in a visible light range. A optical multilayer structure (1) has a first layer (11) being light-absorptive and making contact with a substrate (10), a gap portion (12) having as large a size as light interference phenomenon can occur and being capable of varying the size, and a second layer (13) being transparent in this order on the substrate (10). Where a complex refractive index of the first layer (11) is N1(=n1−i·k1, n1is a refractive index, k1is an extinction coefficient, and i is an imaginary unit), a refractive index of the second layer (13) is n2, and a refractive index of an incident medium is 1.0, the optical multilayer structure (1) is configured so as to satisfy the following formula.(n1-n22+12)2+k12-(n22-12)2=0.

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