Temporal performance of amorphous selenium mammography detectors

Medical Physics

Volumn 32, Issue 1, 2005, Pages 128-136

  Zhao, Bo ^a   Zhao, Wei ^a  

^a STONY BROOK UNIVERSITY   (United States)

Author keywords

Amorphous selenium; Bulk trapping; Ghosting; Lag; Temporal performance; Trapped electrons

Indexed keywords

ELECTRIC FIELDS; ELECTRONS; MAMMOGRAPHY; SELENIUM; X RAYS;

AMORPHOUS SELENIUM; BULK TRAPPING; GHOSTING; TEMPORAL PERFORMANCE; TRAPPED ELECTRONS;

SCREENING;

AMORPHOUS SELENIUM; SELENIUM; UNCLASSIFIED DRUG;

ARTICLE; CONDUCTOR; ELECTRIC FIELD; ELECTRODE; ELECTRON; IMAGING; IRRADIATION; MAMMOGRAPHY; MATHEMATICAL ANALYSIS; MEASUREMENT; PRIORITY JOURNAL; RADIATION EXPOSURE; RADIOSENSITIVITY;

EID: 12844262148     PISSN: 00942405     EISSN: None     Source Type: Journal    
DOI: 10.1118/1.1827791     Document Type: Article

References (31)

1. D. L. Lee, L. K. Cheung, B. G. Rodricks, and G. F. Powell, "Improved imaging performance of a 14 × 17-in. direct radiography system using a Se/TFT detector," Proc. SPIE 3336, 14-23 (1998).
2. G. Borasi, A. Nitrosi, P. Ferrari, and D. Tassoni, "On site evaluation of three flat panel detectors for digital radiography," Med. Phys. 30, 1719-1731 (2003).
3. M. Choquette, H. Rougeot, J. Martin, L. Laperriere, Z. Shukri, and B. Polischuk, "Direct selenium x-ray detector for fluoroscopy, R&F, and radiography," Proc. SPIE 3977, 128-136 (2000).
4. D. C. Hunt, O. Tousignant, and J. A. Rowlands, "Evaluation of the imaging properties of an amorphous selenium-based flat panel detector for digital fluoroscopy," Med. Phys. 31, 1166-1175 (2004).
5. B. Polischuk, H. Rougeot, K. Wong, A. Debrie, E. Poliquin, M. Hansroul, J. P. Martin, T. T. Truong, M. Choquette, L. Laperriere, and Z. Shukri, "Direct conversion detector for digital mammography," Proc. SPIE 3659, 417-425 (1999).
6. J. G. Yorker, L. S. Jeromin, D. L. Lee, E. F. Palecki, K. P. Golden, and Z. Jing, "Characterization of a full-field digital mammography detector based on direct x-ray conversion in selenium," Proc. SPIE 4682, 21-29 (2002).
7. H. G. Chotas, C. E. Floyd, Jr., and C. E. Ravin, "Memory artifact related to selenium-based digital radiography systems," Radiology 203, 881-883 (1997).
8. W. Zhao, G. DeCrescenzo, and J. A. Rowlands, "Investigation of lag and ghosting in amorphous selenium flat-panel x-ray detectors," Proc. SPIE 4682, 9-20 (2002).
9. P. C. Johns, D. J. Drost, M. J. Yaffe, and A. Fenster, "Dual-energy mammography: Initial experimental results," Med. Phys. 12, 297-304 (1985).
10. A. Tuffanelli, S. Fabbri, M. Marziani, A. Sarnelli, and M. Gambaccini, "Dichromatic source for the application of dual-energy tissue cancellation in mammography," Proc. SPIE 4682, 192-201 (2002).
11. M. Skarpathiotaskis, M. J. Yaffe, A. K. Bloomquist, and D. Rico, "Development of contrast digital mammography," Med. Phys. 29, 2419-2426 (2002).
12. C. Marx, M. Faciusa, S. Muller, K. Benali, A. Malich, and W. A. Kaser, "Contrast enhanced digital mammography (CEDM): Phantom experiment and first clinical results," Proc. SPIE 4682, 174-181 (2002).
13. R. L. Webber, H. R. Underbill, P. F. Hemler, and J. Lavery, "A nonlinear algorithm for task-specific tomosynthetic image reconstruction," Proc. SPIE 3659, 258-265 (1999).
14. D. P. Chakraborty, M. V. Yester, G. T. Barnes, and A. V. Lakshminarayanan, "Self-masking subtraction tomosynthesis," Radiology 150, 225-229 (1984).
15. V. Loustauneau, M. Bissonnette, S. Cadieux, and M. Hansnouf, "Imaging performance of a clinical selenium flat-panel detector for advanced applications in full-field digital mammography," Proc. SPIE 5030, 1010-1020 (2003).
16. B. Zhao and W. Zhao, "Characterization of a direct, full-field flat-panel digital mammography detector," Proc. SPIE 5030, 157-167 (2003).
17. C. Schroeder, T. Stanescu, S. Rathee, and B. G. Fallone, "Lag measurement in an a-Se active matrix flat-panel imager," Med. Phys. 31, 1203-1209 (2004).
18. S. Steeciw, T. Standescu, S. Rathee, and B. G. Fallone, "Sensitivity reduction in biased amorphous selenium photoconductors," J. Phys. D 35, 2716-2722 (2002).
19. B. Polischuk, H. Rougeot, K. Wong, A. Debrie, E. Poliquin, M. Hansroul, J. P. Martin, and T. T. Truong, "Direct conversion detector for digital mammography," Proc. SPIE 3659, 417-425 (1999).
20. John M. Boone, Thomas R. Fewell, and Robert J. Jennings, "Molybdenum, rhodium, and tungsten anode spectral models using interpolating polynomials with application to mammography," Med. Phys. 24, 1863-1874 (1997).
21. M. Stone, W. Zhao, B. V. Jack, P. O'Connor, B. Yu, and P. Rehak, "The x-ray sensitivity of amorphous selenium for mammography," Med. Phys. 29, 319-324 (2002).
22. A. Brauers, T. Buchkremer, G. Frings, and P. Quaflieg, "Charge collection in a Se photoconductor on a thin film transistor array during x-ray imaging," Mat. Res. Soc. Proc. 467, 919-924 (1997).
23. B. Polischuk, Z. Shukri, A. Legros, and H. Rougeot, "Selenium direct convener structure for static and dynamic x-ray detection in medical imaging application," Proc. SPIE 3336, 494-504 (1998).
24. D. C. Hunt, S. S. Kirby, and J. A. Rowlands, "X-ray imaging with amorphous selenium: X-ray to charge conversion gain and avalanche multiplication gain," Med. Phys. 29, 2464-2471 (2002).
25. Safa O. Kasap, Optoelectronics & Photonics: Principles & Practices (Prentice Hall, Englewood Cliffs, NJ, 2003).
26. M. Abkowitz, "Density of states in a-Se from combined analysis of xerographic potentials and transient transport data," Philos. Mag. Lett. 58, 53-57 (1988).
27. S. O. Kasap, M. Z. Kabir, M. Yunus, and G. Belev, "Dependence of x-ray sensitivity of direct conversion detectors on x-ray exposure and exposure history," Proc. SPIE 5368, 170-176 (2004).
28. M. Overdick, T. Solf, and H. Wischmann, "Temporal artifacts in flat-dynamic x-ray detectors," Proc. SPIE 4320, 47-58 (2001).
29. F. Busse, W. Rutten, B. Sandkamp, P. L. Alving, R. Bastiaens, and T. Ducourant, "Design and performance of a high-quality cardiac flat-panel detector," Proc. SPIE 4682, 819-827 (2002).
30. S. Adachi, N. Hori, K. Sato, S. Tokuda, T. Sato, K. Uehara, Y. Izumi, H. Nagata, Y. Yoshimura, and S. Yamada, "Experimental evaluation of a-Se and CdTe flat-panel x-ray detectors for digital radiography and fluoroscopy," Proc. SPIE 3977, 38-47 (2000).
31. M. Flynn, C. Dodge, D. Peck, and A. Swinford, "Optimal radiographic techniques for digital mammograms obtained with an amorphous selenium detector," Proc. SPIE 5030, 147-156 (2003).