Casaburi, A. , Ejrnaes, M., Zen, N., Ohkubo, M., Pagano, S. and Cristiano, R. (2011) Thicker, more efficient superconducting strip-line detectors for high throughput macromolecules analysis. Applied Physics Letters, 98(2), 023702. (doi: 10.1063/1.3537808)
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Abstract
Fast detectors with large area are required in time-of-flight mass spectrometers for high throughput analysis of biological molecules. We fabricated and characterized subnanosecond 1×1 mm2 NbN superconducting strip-line detectors. The influence of the strip-line thickness on the temporal characteristics and efficiency of the detector for the impacts of keV accelerated molecules is investigated. We find that the increase of thickness improves both efficiency and response time. In the thicker sample we achieved a rise time of 380 ps, a fall time of 1.38 ns, and a higher count rate. The physics involved in this behavior is investigated.
| Item Type: | Articles |
|---|---|
| Status: | Published |
| Refereed: | Yes |
| Glasgow Author(s) Enlighten ID: | Casaburi, Dr Alessandro |
| Authors: | Casaburi, A., Ejrnaes, M., Zen, N., Ohkubo, M., Pagano, S., and Cristiano, R. |
| College/School: | College of Science and Engineering > School of Engineering > Electronics and Nanoscale Engineering |
| Journal Name: | Applied Physics Letters |
| ISSN: | 0003-6951 |
| Published Online: | 11 January 2011 |
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