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|a 10.1107/S160057752400643X
|2 doi
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|a pubmed24n1524.xml
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|a (NLM)39110677
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Franklin, Lena A
|e verfasserin
|4 aut
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|a Characterizing electron-collecting CdTe for use in a 77 ns burst-rate imager
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|c 2024
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
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|2 rdamedia
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|a ƒa Online-Ressource
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|a Date Revised 05.09.2024
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a open access.
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|a The Keck-PAD (pixel array detector) was developed at Cornell as a burst-rate imager capable of recording images from successive electron bunches (153 ns period) from the Advanced Photon Source (APS). Both Si and hole-collecting Schottky CdTe have been successfully bonded to this ASIC (application-specific integrated circuit) and used with this frame rate. The facility upgrades at the APS will lower the bunch period to 77 ns, which will require modifications to the Keck-PAD electronics to image properly at this reduced period. In addition, operation at high X-ray energies will require a different sensor material having a shorter charge collection time. For the target energy of 40 keV for this project, simulations have shown that electron-collecting CdTe should allow >90% charge collection within 35 ns. This collection time will be sufficient to sample the signal from one frame and prepare for the next. 750 µm-thick electron-collecting Schottky CdTe has been obtained from Acrorad and bonded to two different charge-integrating ASICs developed at Cornell, the Keck-PAD and the CU-APS-PAD. Carrier mobility has been investigated using the detector response to single X-ray bunches at the Cornell High Energy Synchrotron Source and to a pulsed optical laser. The tests indicate that the collection time will meet the requirements for 77 ns imaging
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|a Journal Article
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|a X-ray detector
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|a cadmium telluride
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|a high-Z sensor
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|a pixel array detector
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|a Brown, Nicholas J
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Gruner, Sol M
|e verfasserin
|4 aut
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|a Met-Hoxha, Elida
|e verfasserin
|4 aut
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| 700 |
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|a Tate, Mark W
|e verfasserin
|4 aut
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|a Thom-Levy, Julia
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Journal of synchrotron radiation
|d 1994
|g 31(2024), Pt 5 vom: 01. Sept., Seite 1217-1223
|w (DE-627)NLM09824129X
|x 1600-5775
|7 nnns
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| 773 |
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|g volume:31
|g year:2024
|g number:Pt 5
|g day:01
|g month:09
|g pages:1217-1223
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|u http://dx.doi.org/10.1107/S160057752400643X
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|d 31
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|h 1217-1223
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