| Budget Amount *help |
¥46,800,000 (Direct Cost: ¥36,000,000、Indirect Cost: ¥10,800,000)
Fiscal Year 2013: ¥8,710,000 (Direct Cost: ¥6,700,000、Indirect Cost: ¥2,010,000)
Fiscal Year 2012: ¥12,220,000 (Direct Cost: ¥9,400,000、Indirect Cost: ¥2,820,000)
Fiscal Year 2011: ¥11,180,000 (Direct Cost: ¥8,600,000、Indirect Cost: ¥2,580,000)
Fiscal Year 2010: ¥14,690,000 (Direct Cost: ¥11,300,000、Indirect Cost: ¥3,390,000)
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| Research Abstract |
Ion detection at 1 ns pulse width for single ions and 1 cm sensitive area has been realized with superconducting nano-strip ion detector (SSID). Superconducting tunnel junction detectors operate at 0.3 K, whereas SSID operate at 4 K that can be reached by using a pulse tube cooler without liquid helium supply.
In order to measure time-of-flight of ions, we developed superconducting time-to-digital converter (TDC) using single flux quantum (SFQ). With a combination of SSID and SFQ-TDC, analog pulse signal can be converted to digital signal that is transmitted to room temperature.
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