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Micromachined tuned-band hot bolometer emitter

  • US 6,756,594 B2
  • Filed: 01/26/2001
  • Issued: 06/29/2004
  • Est. Priority Date: 01/28/2000
  • Status: Active Grant
First Claim
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1. A sensor engine for producing an electromagnetic emission and detecting a change in the equilibrium temperature of the sensor engine, comprising:

  • a sensor engine having a temperature and comprising a substrate surface adapted to emit an electromagnetic emission, the substrate surface having emission features disposed thereon, the emission features having a periodic array structure such that the emission features interact with the electromagnetic emission as a photonic bandgap structure filtering the electromagnetic emission to provide the electromagnetic emission with a narrow spectral bandwidth, the sensor engine being made from a material having a non-zero temperature coefficient of resistivity.

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