DocumentCode :
3352951
Title :
Development of large area photon counting detectors optimized for Cherenkov light imaging with high temporal and sub-mm spatial resolution
Author :
Siegmund, O.H.W. ; McPhate, J.B. ; Jelinsky, S.R. ; Vallerga, J.V. ; Tremsin, A.S. ; Hemphill, R. ; Frisch, H.J. ; Wagner, R.G. ; Elam, J. ; Mane, Anil
Author_Institution :
Univ. of California, Berkeley, CA, USA
fYear :
2011
fDate :
23-29 Oct. 2011
Firstpage :
2063
Lastpage :
2070
Abstract :
Progress towards the development of a 20 cm sealed tube optical detector with imaging and photon event time stamping is presented. Novel microchannel plates employing borosilicate micro-capillary arrays have been tested. These provide many performance characteristics typical of conventional MCPs, but have been made in sizes up to 20 cm, have low intrinsic background (0.085 events cm-2 s-1) and very stable gain behavior for at least 1 C cm-2 of charge extraction. Bialkali (Na2KSb) photocathodes with >; 20% quantum efficiency have also been made on borofloat-33 windows compatible with a 20 cm sealed tube device.
Keywords :
Cherenkov counters; microchannel plates; photocathodes; photon counting; Bialkali photocathode; Cherenkov light imaging method; borosilicate microcapillary array; charge extraction process; high temporal resolution; large area photon counting detector; microchannel plate; photon event time stamping analysis; stable gain behavior; submm spatial resolution; tube optical detector;
fLanguage :
English
Publisher :
ieee
Conference_Titel :
Nuclear Science Symposium and Medical Imaging Conference (NSS/MIC), 2011 IEEE
Conference_Location :
Valencia
ISSN :
1082-3654
Print_ISBN :
978-1-4673-0118-3
Type :
conf
DOI :
10.1109/NSSMIC.2011.6154420
Filename :
6154420
Link To Document :
https://search.ricest.ac.ir/dl/search/defaultta.aspx?DTC=49&DC=3352951
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