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Simultaneous measurement of time-resolved 2-D temperature distribution of evaporation surface heated by swept electron beam [in AVLIS]

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1 Author(s)
Yen-wei Chen ; Fac. of Eng., Ryukyus Univ., Okinawa, Japan

The temporal variation and spatial distribution of metallic gadolinium surface temperature during electron beam evaporation have been measured simultaneously by a high-speed video camera with a bandpass filter. The temperature was determined from the radiation intensity recorded by the bandpass, high-speed video camera coupled with a bandpass filter, after calibration with a two-color thermometer. Analytical results indicate that temporal variation of the surface temperature will cause a significant fluctuation of the atomic beam

Published in:

Instrumentation and Measurement, IEEE Transactions on  (Volume:50 ,  Issue: 3 )