RadSensor: Xray Detection by Direct Modulation of an Optical Probe Beam
Description:
We present a new x-ray detection technique based on optical measurement of the effects of x-ray absorption and electron hole pair creation in a direct band-gap semiconductor. The electron-hole pairs create a frequency dependent shift in optical refractive index and absorption. This is sensed by simultaneously directing an optical carrier beam through the same volume of semiconducting medium that has experienced an xray induced modulation in the electron-hole population. If the operating wavelen…
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Date:
August 1, 2003
Creator:
Lowry, M. E.; Bennett, C. V.; Vernon, S. P.; Bond, T.; Welty, R.; Behymer, E. et al.
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