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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 36, Iss. 13 — May. 1, 1997
  • pp: 2751–2754

Thin-film photodetectors for the vacuum ultraviolet spectral region

Giampiero De Cesare, Fernanda Irrera, Fabrizio Palma, Giampiero Naletto, Piergiorgio Nicolosi, and Ermanno Jannitti  »View Author Affiliations


Applied Optics, Vol. 36, Issue 13, pp. 2751-2754 (1997)
http://dx.doi.org/10.1364/AO.36.002751


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Abstract

We report on thin-film photodetectors optimized for detecting the vacuum UV and rejection of the visible spectrum of electromagnetic radiation. The devices are made of hydrogenated amorphous silicon and silicon carbide on a glass substrate. At room temperature the photodetectors exhibit quantum efficiencies of 52% at λ = 58.4 nm, 1% at λ = 400 nm, and 0.1% at λ = 650 nm. The response time for UV pulses from an N2 laser gives signals of 6-µs full width at half-maximum and 500-ns rise time.

© 1997 Optical Society of America

History
Original Manuscript: January 17, 1996
Revised Manuscript: June 24, 1996
Published: May 1, 1997

Citation
Giampiero De Cesare, Fernanda Irrera, Fabrizio Palma, Giampiero Naletto, Piergiorgio Nicolosi, and Ermanno Jannitti, "Thin-film photodetectors for the vacuum ultraviolet spectral region," Appl. Opt. 36, 2751-2754 (1997)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-36-13-2751

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