Investigation of quad-energy high-rate photon counting for X-ray computed tomography using a cadmium telluride detector
Copyright © 2017 Elsevier Ltd. All rights reserved..
To obtain four kinds of tomograms at four different X-ray energy ranges simultaneously, we have constructed a quad-energy (QE) X-ray photon counter with a cadmium telluride (CdTe) detector and four sets of comparators and microcomputers (MCs). X-ray photons are detected using the CdTe detector, and the event pulses produced using amplifiers are sent to four comparators simultaneously to regulate four threshold energies of 20, 33, 50 and 65keV. Using this counter, the energy ranges are 20-33, 33-50, 50-65 and 65-100keV; the maximum energy corresponds to the tube voltage. We performed QE computed tomography (QE-CT) at a tube voltage of 100kV. Using a 0.5-mm-diam lead pinhole, four tomograms were obtained simultaneously at four energy ranges. K-edge CT using iodine and gadolinium media was carried out utilizing two energy ranges of 33-50 and 50-65keV, respectively. At a tube voltage of 100kV and a current of 60 μA, the count rate was 15.2 kilocounts per second (kcps), and the minimum count rates after penetrating objects in QE-CT were regulated to approximately 2 kcps by the tube current.
| Medienart: |
E-Artikel |
|---|
| Erscheinungsjahr: |
2017 |
|---|---|
| Erschienen: |
2017 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:130 |
|---|---|
| Enthalten in: |
Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine - 130(2017) vom: 19. Dez., Seite 54-59 |
| Sprache: |
Englisch |
|---|
| Beteiligte Personen: |
Matsukiyo, Hiroshi [VerfasserIn] |
|---|
| Links: |
|---|
| Themen: |
CdTe detector |
|---|
| Anmerkungen: |
Date Completed 23.02.2018 Date Revised 23.02.2018 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
|---|
| doi: |
10.1016/j.apradiso.2017.09.011 |
|---|
| funding: |
|
|---|---|
| Förderinstitution / Projekttitel: |
|
| PPN (Katalog-ID): |
NLM276125738 |
|---|
| LEADER | 01000naa a22002652 4500 | ||
|---|---|---|---|
| 001 | NLM276125738 | ||
| 003 | DE-627 | ||
| 005 | 20231225011302.0 | ||
| 007 | cr uuu---uuuuu | ||
| 008 | 231225s2017 xx |||||o 00| ||eng c | ||
| 024 | 7 | |a 10.1016/j.apradiso.2017.09.011 |2 doi | |
| 028 | 5 | 2 | |a pubmed24n0920.xml |
| 035 | |a (DE-627)NLM276125738 | ||
| 035 | |a (NLM)28942329 | ||
| 035 | |a (PII)S0969-8043(17)30514-6 | ||
| 040 | |a DE-627 |b ger |c DE-627 |e rakwb | ||
| 041 | |a eng | ||
| 100 | 1 | |a Matsukiyo, Hiroshi |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Investigation of quad-energy high-rate photon counting for X-ray computed tomography using a cadmium telluride detector |
| 264 | 1 | |c 2017 | |
| 336 | |a Text |b txt |2 rdacontent | ||
| 337 | |a ƒaComputermedien |b c |2 rdamedia | ||
| 338 | |a ƒa Online-Ressource |b cr |2 rdacarrier | ||
| 500 | |a Date Completed 23.02.2018 | ||
| 500 | |a Date Revised 23.02.2018 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status PubMed-not-MEDLINE | ||
| 520 | |a Copyright © 2017 Elsevier Ltd. All rights reserved. | ||
| 520 | |a To obtain four kinds of tomograms at four different X-ray energy ranges simultaneously, we have constructed a quad-energy (QE) X-ray photon counter with a cadmium telluride (CdTe) detector and four sets of comparators and microcomputers (MCs). X-ray photons are detected using the CdTe detector, and the event pulses produced using amplifiers are sent to four comparators simultaneously to regulate four threshold energies of 20, 33, 50 and 65keV. Using this counter, the energy ranges are 20-33, 33-50, 50-65 and 65-100keV; the maximum energy corresponds to the tube voltage. We performed QE computed tomography (QE-CT) at a tube voltage of 100kV. Using a 0.5-mm-diam lead pinhole, four tomograms were obtained simultaneously at four energy ranges. K-edge CT using iodine and gadolinium media was carried out utilizing two energy ranges of 33-50 and 50-65keV, respectively. At a tube voltage of 100kV and a current of 60 μA, the count rate was 15.2 kilocounts per second (kcps), and the minimum count rates after penetrating objects in QE-CT were regulated to approximately 2 kcps by the tube current | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a CdTe detector | |
| 650 | 4 | |a Energy-selection electronics | |
| 650 | 4 | |a Penetrating-count regulation | |
| 650 | 4 | |a Quad-energy CT | |
| 650 | 4 | |a X-ray photon counting | |
| 700 | 1 | |a Sato, Eiichi |e verfasserin |4 aut | |
| 700 | 1 | |a Oda, Yasuyuki |e verfasserin |4 aut | |
| 700 | 1 | |a Yamaguchi, Satoshi |e verfasserin |4 aut | |
| 700 | 1 | |a Sato, Yuichi |e verfasserin |4 aut | |
| 700 | 1 | |a Hagiwara, Osahiko |e verfasserin |4 aut | |
| 700 | 1 | |a Enomoto, Toshiyuki |e verfasserin |4 aut | |
| 700 | 1 | |a Watanabe, Manabu |e verfasserin |4 aut | |
| 700 | 1 | |a Kusachi, Shinya |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Applied radiation and isotopes : including data, instrumentation and methods for use in agriculture, industry and medicine |d 1994 |g 130(2017) vom: 19. Dez., Seite 54-59 |w (DE-627)NLM074730231 |x 1872-9800 |7 nnns |
| 773 | 1 | 8 | |g volume:130 |g year:2017 |g day:19 |g month:12 |g pages:54-59 |
| 856 | 4 | 0 | |u http://dx.doi.org/10.1016/j.apradiso.2017.09.011 |3 Volltext |
| 912 | |a GBV_USEFLAG_A | ||
| 912 | |a GBV_NLM | ||
| 951 | |a AR | ||
| 952 | |d 130 |j 2017 |b 19 |c 12 |h 54-59 | ||