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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 20, Iss. 22 — Oct. 22, 2012
  • pp: 24320–24329

Handheld deep ultraviolet emission device based on aluminum nitride quantum wells and graphene nanoneedle field emitters

Takahiro Matsumoto, Sho Iwayama, Takao Saito, Yasuyuki Kawakami, Fumio Kubo, and Hiroshi Amano  »View Author Affiliations


Optics Express, Vol. 20, Issue 22, pp. 24320-24329 (2012)
http://dx.doi.org/10.1364/OE.20.024320


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Abstract

We report the successful fabrication of a compact deep ultraviolet emission device via a marriage of AlGaN quantum wells and graphene nanoneedle field electron emitters. The device demonstrated a 20-mW deep ultraviolet output power and an approximately 4% power efficiency. The performance of this device may lead toward the realization of an environmentally friendly, convenient and practical deep ultraviolet light source.

© 2012 OSA

OCIS Codes
(160.2540) Materials : Fluorescent and luminescent materials
(230.5590) Optical devices : Quantum-well, -wire and -dot devices
(260.7190) Physical optics : Ultraviolet

ToC Category:
Optical Devices

History
Original Manuscript: July 19, 2012
Revised Manuscript: September 19, 2012
Manuscript Accepted: September 21, 2012
Published: October 9, 2012

Virtual Issues
November 13, 2012 Spotlight on Optics

Citation
Takahiro Matsumoto, Sho Iwayama, Takao Saito, Yasuyuki Kawakami, Fumio Kubo, and Hiroshi Amano, "Handheld deep ultraviolet emission device based on aluminum nitride quantum wells and graphene nanoneedle field emitters," Opt. Express 20, 24320-24329 (2012)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-20-22-24320


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