Amorphous selenium lateral Frisch photodetector and photo multiplier for high performance medical x-ray and gamma-ray imaging applications

Progress in Biomedical Optics and Imaging - Proceedings of SPIE

Volumn 7622, Issue PART 3, 2010, Pages

  Goldan, A H ^a   Wang, K ^a,b   Chen, F ^a   Karim, K S ^a  

^a UNIVERSITY OF WATERLOO   (Canada)

^b Thunder Bay Regional Research Institute   (Canada)

Author keywords

Amorphous selenium; Avalanche multiplication; Frisch grid; Indirect detection; Lateral photodetector; Metal semiconductor metal photodetector; Unipolar charge sensing

Indexed keywords

AMORPHOUS SELENIUM; AVALANCHE MULTIPLICATION; CHARGE SENSING; FRISCH GRIDS; INDIRECT DETECTION; METAL SEMICONDUCTOR METAL PHOTODETECTOR;

CATHODES; GAMMA RAYS; LIGHT EMITTING DIODES; MEDICAL IMAGING; PHOTODETECTORS; SELENIUM; SEMICONDUCTING SELENIUM COMPOUNDS; SEMICONDUCTOR QUANTUM WELLS;

PHOTONS;

EID: 79955760374     PISSN: 16057422     EISSN: None     Source Type: Conference Proceeding    
DOI: 10.1117/12.844809     Document Type: Conference Paper

References (5)

1. A.H. Goldan, Y. Fang, K.S. Karim, O. Tousignant, H. Mani, and L. Laperriere, "Amorphous selenium detector utilizing a Frisch grid for photon-counting imaging applications," Proc. SPIE 7258(1), 752816 (2009).
2. K. Wang, F. Chen, G. Belev, S.O. Kasap, and K.S. Karim, "Design and modeling of a lateral a-Se MSM photoconductor as indirect conversion X-ray imager," Proc. SPIE 7449,74491W (2009).
3. K. Wang, F. Chen, G. Belev, S.O. Kasap, and K.S. Karim, "Lateral metal-semiconductor-metal photodetectors based on amorphous selenium," Appl. Phys. Lett. 95,013505 (2009).
4. W. Shockley, "Currents to conductors induced by a moving point charge," J. Appl. Phys. 9, 635-636 (1938).
5. S. Ramo, "Currents induced by electron motion," Proc. l.R.E. 27, 584-585 (1939).