PET v Positron Emission Tomography PET 511 kev
- Slides: 36
PET成像原理 v. Positron Emission Tomography (PET) 511 kev
前人 作 Tsuda T, et al. IEEE Transactions on Nuclear Science , 2004, 51(5): 2537 -2542. Mohammadi A, et al. Nuclear Instruments & Methods in Physics Research A, 2017, 866.
4层DOI探测器与2层DOI探测器Flood图及 能谱图实测比较 2层 4层 Binqing Zhao, et al. Depth encoding PET detectors usingle layer crystal with different reflector arrangements along depths. 2018 IEEE NSS/MIC.
单层能量分辨率: 10. 3% 10. 4% 10. 3% 9. 97% 10. 1% 10. 2% 10. 1% 10. 5% 10. 2% 9. 99% 9. 98% 9. 91% 9. 97% 10. 3% 9. 89% 10. 1% 9. 98% 9. 85% 9. 88% 10. 6% 10. 1% 10. 2% 10. 1% 10. 0% 9. 97% 上层能量分辨率: 10. 2 ± 0. 17% 下层能量分辨率: 10. 0 ± 0. 13% 7. 28 7. 36 7. 10 6. 98 7. 34 7. 43 7. 19 7. 04 7. 29 7. 39 7. 32 7. 22 7. 17 7. 35 7. 36 7. 23 上层峰位: 7. 25 ± 0. 13 下层峰位: 7. 22 ± 0. 22
符合��分辨率: E>0 kev 775(ps) 400 kev<E<600 kev 583(ps)
�个晶体符合��分辨率: 400 kev<E<600 kev 507 489 492 502 496 478 487 491 485 494 514 495 500 496 ± 11(ps) 521
6× 6�列 2� DOI探�器 11. 3% 11. 1% 11. 3% 11. 4% 11. 8% 11. 6% 11. 9% 11. 5% 11. 6% 12. 5% 11. 7% 11. 4% 11. 5% 11. 6% 11. 5% 11. 3% 11. 8% 11. 7% 11. 3% 11. 8% 12. 0% 11. 5% 12. 4% 12. 5% 11. 9% 11. 4% 11. 2% 11. 1% 11. 7% 11. 9% 11. 7% 单个晶体能量分辨率11. 6 ± 0. 38%
单层能量分辨率: 11. 4% 11. 6% 11. 4% 11. 2% 11. 8% 11. 6% 11. 3% 11. 1% 11. 0% 11. 1% 11. 4% 11. 2% 11. 1% 10. 9% 11. 5% 11. 3% 11. 2% 11. 1% 11. 0% 11. 4% 11. 3% 11. 5% 11. 3% 11. 0% 11. 6% 11. 7% 11. 5% 11. 6% 11. 2% 11. 3% 11. 5% 6. 36 6. 44 6. 66 6. 67 6. 42 6. 36 6. 47 6. 57 6. 66 6. 54 6. 43 6. 42 6. 51 6. 65 6. 69 6. 56 6. 50 6. 14 6. 27 6. 58 6. 49 6. 38 上层峰位: 6. 47 ± 0. 16 11. 3% 11. 6% 11. 5% 11. 7% 11. 0% 11. 5% 11. 3% 11. 1% 11. 3% 11. 2% 11. 7% 11. 2% 11. 3% 11. 7% 11. 1% 11. 3% 12. 3% 11. 1% 11. 2% 12. 2% 11. 18% 11. 1% 11. 6% 11. 0% 11. 32% 下层能量分辨率: 11. 3 ± 0. 31% 上层能量分辨率: 11. 3± 0. 23% 6. 31 6. 48 6. 65 6. 66 6. 46 6. 33 11. 1% 11. 0% 11. 2% 11. 1% 6. 02 6. 20 6. 48 6. 54 6. 45 6. 30 6. 25 6. 61 6. 70 6. 72 6. 61 6. 27 6. 43 6. 61 6. 74 6. 73 6. 61 6. 44 6. 50 6. 68 6. 77 6. 73 6. 65 6. 45 6. 32 6. 60 6. 71 6. 80 6. 77 6. 63 6. 26 6. 53 6. 70 6. 77 6. 75 6. 59 下层峰位: 6. 56 ± 0. 20 5. 89 6. 34 6. 50 6. 61 6. 63 6. 17
DOI��: 照射深度(E>0 ke. V) 17. 5 mm 12. 5 mm 7. 5 mm + 2. 5 mm
符合��分辨率: 760(ps) E>0 kev 400 kev<E<600 kev 605(ps)
�个晶体符合��分辨率: 400 kev<E<600 kev 497 513 538 522 505 537 502 498 494 493 504 524 499 493 506 492 520 487 489 493 489 502 503 ± 14 (ps) 502 491 497 485 504 506 501 494 496 504 538
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