High detectivity uncooled thermopile detectors with spectrally selective responsivity

A. S. Gawarikar; R. P. Shea; Joseph J Talghader

doi:10.1109/Transducers.2013.6627364

High detectivity uncooled thermopile detectors with spectrally selective responsivity

A. S. Gawarikar
, R. P. Shea
, Joseph J Talghader

Electrical and Computer Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

Fabrication and characterization of high detectivity thermopile infrared detectors with spectrally selective absorption operating at room temperature is described. The detector architecture consists of a Johnson noise limited thermoelectric readout scheme integrated with a resonant cavity coupled absorber and a low thermal conductance support structure. A resonant responsivity enhancement of 4.3 and a peak detectivity of 1.3×10⁹ cm Hz ^1/2 Watt¹ at 10.5 μm wavelength are demonstrated.

Original language	English (US)
Title of host publication	2013 Transducers and Eurosensors XXVII
Subtitle of host publication	The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013
Pages	2704-2707
Number of pages	4
DOIs	https://doi.org/10.1109/Transducers.2013.6627364
State	Published - Dec 1 2013
Event	2013 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013 - Barcelona, Spain Duration: Jun 16 2013 → Jun 20 2013

Other

Other	2013 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013
Country/Territory	Spain
City	Barcelona
Period	6/16/13 → 6/20/13

Keywords

high detectivity
optical cavity
Thermal detectors
thermoelectrics
wavelength selectivity

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10.1109/Transducers.2013.6627364

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Gawarikar, A. S., Shea, R. P., & Talghader, J. J. (2013). High detectivity uncooled thermopile detectors with spectrally selective responsivity. In 2013 Transducers and Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013 (pp. 2704-2707). Article 6627364 https://doi.org/10.1109/Transducers.2013.6627364

High detectivity uncooled thermopile detectors with spectrally selective responsivity. / Gawarikar, A. S.; Shea, R. P.; Talghader, Joseph J.
2013 Transducers and Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013. 2013. p. 2704-2707 6627364.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Gawarikar, AS, Shea, RP & Talghader, JJ 2013, High detectivity uncooled thermopile detectors with spectrally selective responsivity. in 2013 Transducers and Eurosensors XXVII: The 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013., 6627364, pp. 2704-2707, 2013 17th International Conference on Solid-State Sensors, Actuators and Microsystems, TRANSDUCERS and EUROSENSORS 2013, Barcelona, Spain, 6/16/13. https://doi.org/10.1109/Transducers.2013.6627364

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abstract = "Fabrication and characterization of high detectivity thermopile infrared detectors with spectrally selective absorption operating at room temperature is described. The detector architecture consists of a Johnson noise limited thermoelectric readout scheme integrated with a resonant cavity coupled absorber and a low thermal conductance support structure. A resonant responsivity enhancement of 4.3 and a peak detectivity of 1.3×109 cm Hz 1/2 Watt1 at 10.5 μm wavelength are demonstrated.",

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AB - Fabrication and characterization of high detectivity thermopile infrared detectors with spectrally selective absorption operating at room temperature is described. The detector architecture consists of a Johnson noise limited thermoelectric readout scheme integrated with a resonant cavity coupled absorber and a low thermal conductance support structure. A resonant responsivity enhancement of 4.3 and a peak detectivity of 1.3×109 cm Hz 1/2 Watt1 at 10.5 μm wavelength are demonstrated.

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KW - Thermal detectors

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KW - wavelength selectivity

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ER -

High detectivity uncooled thermopile detectors with spectrally selective responsivity

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