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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 21 — Nov. 1, 2008
  • pp: 2422–2424

Simultaneous detection of ultraviolet and infrared radiation in a single Ga N Ga Al N heterojunction

Ranga C. Jayasinghe, Gamini Ariyawansa, Nikolaus Dietz, A. G.Unil Perera, Steven G. Matsik, Hongbo B. Yu, Ian T. Ferguson, Andrew Bezinger, Sylvain R. Laframboise, Margaret Buchanan, and Hui Chun Liu  »View Author Affiliations


Optics Letters, Vol. 33, Issue 21, pp. 2422-2424 (2008)
http://dx.doi.org/10.1364/OL.33.002422


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Abstract

Results are presented for a dual-band detector that simultaneously detects UV radiation in the 250 360 nm and IR radiation in the 5 14 μ m regions with near zero spectral cross talk. In this detector having separate UV- and IR-active regions with three contacts (one common contact for both regions) allows the separation of the UV and IR generated photocurrent components, identifying the relative strength of each component. This will be an important development in UV–IR dual-band applications such as fire–flame detection, solar astronomy, and military sensing, eliminating the difficulties of employing several individual detectors with separate electronics–cooling mechanisms.

© 2008 Optical Society of America

OCIS Codes
(040.3060) Detectors : Infrared
(040.5160) Detectors : Photodetectors
(040.7190) Detectors : Ultraviolet
(230.0040) Optical devices : Detectors
(230.0250) Optical devices : Optoelectronics
(250.0040) Optoelectronics : Detectors

ToC Category:
Detectors

History
Original Manuscript: June 20, 2008
Revised Manuscript: August 14, 2008
Manuscript Accepted: August 19, 2008
Published: October 17, 2008

Citation
Ranga C. Jayasinghe, Gamini Ariyawansa, Nikolaus Dietz, A. G. Unil Perera, Steven G. Matsik, Hongbo B. Yu, Ian T. Ferguson, Andrew Bezinger, Sylvain R. Laframboise, Margaret Buchanan, and Hui Chun Liu, "Simultaneous detection of ultraviolet and infrared radiation in a single GaN/GaAlN heterojunction," Opt. Lett. 33, 2422-2424 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-21-2422

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