Rate effects of standard and high-strip-current microchannel plate image intensifiers
Conference
·
· Proceedings of SPIE - The International Society for Optical Engineering
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- EG and G Energy Measurements Group, Goleta, CA (United States). Santa Barbara Operations
The gains of gated microchannel plate image intensifiers (MCPIIs) at high repetition rates (up to 10 kHz) were measured. Comparisons were made between the gain behavior of a standard ITT type F4111 MCPII and similar device incorporating a high strip current microchannel plate. The most notable effect observed for the standard MCPII is a decline in luminous gain with increasing gate repetition rate and with higher input irradiances. The intensifier with the higher strip current microchannel plate (MCP), on the other hand, exhibited little or no reduction in gain for gating frequencies up to 10 kHz under similar test conditions (60 pJ/cm2 input energy density). The charge storage capacity and recharge time of the standard MCPII are most likely the limiting factors in its ability to maintain a constant gain at high repetition rates. The limiting effect of the recharge time on the MCP gain is calculated and compared to the actual measurements.
- Research Organization:
- Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
- Sponsoring Organization:
- USDOE
- DOE Contract Number:
- W-7405-ENG-36; AC08-88NV10617
- OSTI ID:
- 5459427
- Report Number(s):
- LA-UR--91-2431; CONF-9107115--17; EGG--10617-2107; ON: DE91016196
- Conference Information:
- Journal Name: Proceedings of SPIE - The International Society for Optical Engineering Journal Volume: 1539
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
42 ENGINEERING
426000 -- Engineering-- Components
Electron Devices & Circuits-- (1990-)
440800 -- Miscellaneous Instrumentation-- (1990-)
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
450300* -- Military Technology
Weaponry
& National Defense-- Nuclear Explosion Detection
47 OTHER INSTRUMENTATION
AMPLIFICATION
CATHODES
DATA ANALYSIS
DETECTION
ELECTRODES
ELECTRON MULTIPLIERS
ELECTRON TUBES
ELECTRONIC EQUIPMENT
EQUIPMENT
FUNCTION GENERATORS
GAIN
IMAGE INTENSIFIERS
IMAGE PROCESSING
LASERS
MICROCHANNEL ELECTRON MULTIPLIERS
NUCLEAR EXPLOSION DETECTION
PHOSPHORS
PHOTOCATHODES
PROCESSING
PULSE GENERATORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
SOLID STATE LASERS
TESTING
426000 -- Engineering-- Components
Electron Devices & Circuits-- (1990-)
440800 -- Miscellaneous Instrumentation-- (1990-)
45 MILITARY TECHNOLOGY, WEAPONRY, AND NATIONAL DEFENSE
450300* -- Military Technology
Weaponry
& National Defense-- Nuclear Explosion Detection
47 OTHER INSTRUMENTATION
AMPLIFICATION
CATHODES
DATA ANALYSIS
DETECTION
ELECTRODES
ELECTRON MULTIPLIERS
ELECTRON TUBES
ELECTRONIC EQUIPMENT
EQUIPMENT
FUNCTION GENERATORS
GAIN
IMAGE INTENSIFIERS
IMAGE PROCESSING
LASERS
MICROCHANNEL ELECTRON MULTIPLIERS
NUCLEAR EXPLOSION DETECTION
PHOSPHORS
PHOTOCATHODES
PROCESSING
PULSE GENERATORS
SEMICONDUCTOR DEVICES
SEMICONDUCTOR LASERS
SOLID STATE LASERS
TESTING