Large-format photon-counting arrays
Journal Article
·
· Publ. Astron. Soc. Pac.; (United States)
Recently-constructed large-format photon-counting arrays used as spectroscopic and imaging detectors are described. The photon-counting imaging systems use microchannel plate intensifiers which are optically coupled to multiple CCDs through fiber-optic conduits. S-20 quartz substrate cathodes are used in the blue and NEA Ga-As cathodes for wavelengths greater than 580 nm. Event centering results in detector resolution of 42 lp/mm at 50 pct modulation, being fundamentally limited by the microchannel plate pore diameter of 12 microns. The current systems have 1460 x 960 pixels format. The dead space between module CCDs is 30 microns. There is, in principle, no limit to this format. 6 references.
- Research Organization:
- Mount Stromlo and Siding Spring Observatories, Canberra (Australia)
- OSTI ID:
- 6685471
- Journal Information:
- Publ. Astron. Soc. Pac.; (United States), Vol. 100
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
71 CLASSICAL AND QUANTUM MECHANICS
GENERAL PHYSICS
47 OTHER INSTRUMENTATION
ASTROPHYSICS
PHOTOMETERS
CHARGE-COUPLED DEVICES
COMPUTERS
IMAGE INTENSIFIERS
MEMORY DEVICES
SIGNAL-TO-NOISE RATIO
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640100* - Astrophysics & Cosmology
440300 - Miscellaneous Instruments- (-1989)
GENERAL PHYSICS
47 OTHER INSTRUMENTATION
ASTROPHYSICS
PHOTOMETERS
CHARGE-COUPLED DEVICES
COMPUTERS
IMAGE INTENSIFIERS
MEMORY DEVICES
SIGNAL-TO-NOISE RATIO
MEASURING INSTRUMENTS
SEMICONDUCTOR DEVICES
640100* - Astrophysics & Cosmology
440300 - Miscellaneous Instruments- (-1989)