Wide spectral responses In x Ga 1–x N deep UV photomultiplier tube

Autor:	Minoru Niigaki, Nobuharu Suzuki, Hiroyuki Takatsuka, Hideaki Suzuki, Haruyasu Kondoh, Shoichi Uchiyama, Yasuo Ohishi, Yasufumi Takagi, Kazuyoshi Okano, Hirofumi Kan
Rok vydání:	2007
Předmět:	Photomultiplier Optics Chemistry business.industry Band gap Linearity chemistry.chemical_element Quantum efficiency Condensed Matter Physics business Indium
Zdroj:	physica status solidi c. 4:2850-2853
ISSN:	1610-1642 1862-6351
DOI:	10.1002/pssc.200674776
Popis:	We have designed and fabricated new photo-tubes and photomultiplier tubes (PMTs) using InxGa1-xN films as photocathodes. Longer spectral cutoffs were controlled with Indium compositions x, from 365 nm to 430 nm. The calibrated maximum quantum efficiency (QE) of 56% at 200 nm was achieved for x = 0.11 Indium composition in the photo-tubes. Sharp cutoffs at around 160 nms were determined by window materials and those at around 400 nms were determined by the band gaps of the photocathodes. Gain and input/output linearity properties were confirmed to be very good for the PMTs. (© 2007 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::c4381cd1735f11f0bee7229d6722ec4c https://doi.org/10.1002/pssc.200674776 Zobrazit plný text záznamu Plný text