Radiant energy – Invisible radiant energy responsive electric signalling
Reexamination Certificate
2008-01-25
2010-06-01
Wells, Nikita (Department: 2881)
Radiant energy
Invisible radiant energy responsive electric signalling
C315S111210, C315S149000, C219S121600, C219S121610, C219S121830
Reexamination Certificate
active
07728295
ABSTRACT:
A method and apparatus for remotely monitoring properties of gases and plasmas, and surface and sub-surface properties of materials, is disclosed. A laser beam is focused at a desired region within a gas, plasma, or material (e.g., solid or liquid) to be analyzed, generating an ionized sample region or a localized, enhanced free carrier region. A beam of microwave radiation is directed toward the ionized sample region or the free carrier region, and the microwave radiation is scattered. The scattered microwave radiation is received by a microwave receiver, and is processed by a microwave detection system to determine properties of the gas, plasma, or material, including surface and sub-surface properties.
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Dogariu Arthur
Goltsov Alexander
Miles Richard B.
Shneider Mikhail N.
Zhang Zhili
McCarter & English LLP
The Trustees of Princeton University
Wells Nikita
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