Journal of the Korean Physical Society

pISSN 0374-4884 eISSN 1976-8524


J. Korean Phy. Soc. 2009; 54(2): 592-596

Published online February 14, 2009

Copyright © The Korean Physical Society.

Multi-Segment Position-Sensitive Detector for an X-ray Imaging Crystal Spectrometer

Jong Kyu Cheon, Myung Kook Moon, Chang Hee Lee, Shraddha S. Desai, Uk Won Nam, Sang Gon Lee, Jun Gyo Bak and Hee Dong Kang


A two-dimensional segmented position sensitive detector (PSD) as a part of an X-ray imaging crystal spectrometer (XICS) for use in tokamak plasma experiments was developed. It is based on a multi-wire proportional counter (MWPC) using a delay-line readout method. The MWPC, necessary for recording plasma image data, provides the combined advantages of low neutron radiation sensitivity and large sensitive detection area. The fabricated PSD for the XICS is a four-segment MWPC that can be used in intense X-ray photon environments.

Keywords: MWPC, Segment detector, Rate capability, Plasma diagnosis, XICS

Share this article on :

Related articles in JKPS