Journal
REVIEW OF SCIENTIFIC INSTRUMENTS
Volume 87, Issue 12, Pages -Publisher
AMER INST PHYSICS
DOI: 10.1063/1.4972255
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Funding
- National Science Foundation [PHY-1505794]
- Direct For Mathematical & Physical Scien
- Division Of Physics [1505794] Funding Source: National Science Foundation
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Before a GaAs photocathode can be activated to achieve a negative electron affinity condition, the GaAs crystal must be cleaned. This is most commonly done by ohmic, radiative, or electron bombardment heating. We report a new technique to monitor the temperature of heated GaAs photocathodes by observation with a camera. The method is robust and yields the same temperatures for different GaAs samples heated using different methods in different mounting configurations. Published by AIP Publishing.
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