Wavelength-selective infrared detectors

Joo-Yun Jung; Sangwook Han; Dean P. Neikirk

doi:10.1117/12.736971

8 October 2007 Wavelength-selective infrared detectors

Joo-Yun Jung, Sangwook Han, Dean P. Neikirk

Proceedings Volume 6737, Electro-Optical and Infrared Systems: Technology and Applications IV; 67370Z (2007) https://doi.org/10.1117/12.736971
Event: Optics/Photonics in Security and Defence, 2007, Florence, Italy

Abstract

Several designs that could produce significant wavelength selectivity in micromachined microbolometers are reviewed. These frequency selective surfaces can be achieved using stacks of dielectric coated resistive sheets or by replacing the normal uniform absorbing sheet used in IR microbolometers with true microbolometers (i.e., bolometers that are much smaller than the wavelength) combined with an antenna. Here we discuss dielectric coated designs that can substantially improve the wavelength selectivity of microbolometers.

Citation Download Citation

Joo-Yun Jung, Sangwook Han, and Dean P. Neikirk "Wavelength-selective infrared detectors", Proc. SPIE 6737, Electro-Optical and Infrared Systems: Technology and Applications IV, 67370Z (8 October 2007); https://doi.org/10.1117/12.736971

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