Zobrazeno 1 - 10
of 122
pro vyhledávání: '"D.S. Bethune"'
Autor:
Xiaowei Li, Archie L. Holmes, Feng Ma, D.S. Bethune, W.P. Risk, Gauri Karve, R. Sudharsanan, Geoffrey S. Kinsey, Xiaofeng Zhang, Joe C. Campbell, T. D. Isshiki, Xiaoguang Zheng, Shuling Wang, J.C. Boisvert, Ning Li
Publikováno v:
IEEE Journal of Quantum Electronics. 39:1281-1286
Low-temperature photon counting with gated mode quenching is demonstrated with separate absorption, charge, and multiplication avalanche photodiodes that have an In/sub 0.52/Al/sub 0.48/As multiplication layer. A minimum of ten dark counts per second
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::21526d88c3fe72008d355209ab580022
https://doi.org/10.1109/jqe.2003.817244
https://doi.org/10.1109/jqe.2003.817244
Akademický článek
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Autor:
D.S. Bethune, Xiaowei Li, W.P. Risk, Gauri Karve, Shuling Wang, Joe C. Campbell, R. G. Ispasoiu
Publikováno v:
The 17th Annual Meeting of the IEEELasers and Electro-Optics Society, 2004. LEOS 2004..
This study demonstrates 1.52 /spl mu/m Geiger mode operation of an In/sub 0.53/Ga/sub 0.47/As/In/sub 0.52/Al/sub 0.48/As APD. A study of the origin of dark count rate in this detector is also presented.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::87e573fc6a3a037b9d0f6588b8455c35
https://doi.org/10.1109/leos.2004.1363116
https://doi.org/10.1109/leos.2004.1363116
Autor:
T. Isshiki, D.S. Bethune, Archie L. Holmes, Xiaoguang Zheng, Rengarajan Sudharsanan, W.P. Risk, Gauri Karve, Joe C. Campbell, Joseph Boisvert, Geoffrey S. Kinsey
Publikováno v:
The 16th Annual Meeting of the IEEE Lasers and Electro-Optics Society, 2003. LEOS 2003..
We have demonstrated single photon counting at 1.52 /spl mu/m in custom separate-absorption-charge-multiplication (SACM) APDs with In/sub 0.53/Ga/sub 0.47/As absorption and In/sub 0.52/Al/sub 0.48/As multiplication layer. The operating parameters suc
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::ebd35c9365972e5455905b3012e8ba52
https://doi.org/10.1109/leos.2003.1253026
https://doi.org/10.1109/leos.2003.1253026
Autor:
C. Rettner, D.S. Bethune
Publikováno v:
IEEE Journal of Quantum Electronics. 23:1348-1360
We consider the process of optical harmonic generation in systems with arbitrary gas density variation along the optical beam and specifically consider the case of frequency tripling in a free-jet expansion. Generalized relationships are presented fo
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::47217f89e0aff87cb9cf5d20f618c3b7
https://doi.org/10.1109/jqe.1987.1073515
https://doi.org/10.1109/jqe.1987.1073515
Publikováno v:
Journal of Electroanalytical Chemistry and Interfacial Electrochemistry. 216:293-301
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::00d3b1db123d0df1d1f849535e532a1e
https://doi.org/10.1016/0022-0728(87)80216-4
https://doi.org/10.1016/0022-0728(87)80216-4
Publikováno v:
Surface Science. 197:44-66
The optical properties of a thin-layer electrochemical cell have been quantitatively analyzed with special consideration given to optimizing the experimental sensitivity of infrared reflection-absorption spectroscopy (IRRAS) to the typically weak inf
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::8df760136da6c61d7beb111cf49feb3c
https://doi.org/10.1016/0039-6028(88)90572-9
https://doi.org/10.1016/0039-6028(88)90572-9
Publikováno v:
Berichte der Bunsengesellschaft für physikalische Chemie. 91:320-323
A substantial increase in optical sensitivity of infrared reflection-absorption Spectroscopy (IRRAS) was achieved by the combination of a pulsed, tunable infrared laser and a novel thin layer cell which was designed to provide uniformity and control
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::42efe9eed9bd84e7311151626d9abea2
https://doi.org/10.1002/bbpc.19870910417
https://doi.org/10.1002/bbpc.19870910417
Akademický článek
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Akademický článek
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