Optical: systems and elements – Light interference – Produced by coating or lamina
Reexamination Certificate
2006-08-30
2008-10-14
Pritchett, Joshua L (Department: 2872)
Optical: systems and elements
Light interference
Produced by coating or lamina
C359S588000, C359S589000
Reexamination Certificate
active
07436596
ABSTRACT:
A sensing method and apparatus using photonic band gap multilayered material. Photonic band gap multi-layers are formed from alternating layers of higher refractive index and lower refractive index materials, and may be deposited or disposed on a optically transparent substrate or a reflecting face of a prism. Light is directed into the prism, directed to the photonic band gap multilayer, and reflected out of the prism, where it is captured and analyzed. Various sensor configurations keep light wavelength or coupling angle fixed, while monitoring the change in the other parameter. Also disclosed is a microarray configuration with an array of probe spots placed on one surface of the multilayer, which is mounted on an x-y translation stage.
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Donelson Baker
Pritchett Joshua L
Ramage Wayne Edward
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