Advanced gaseous photodetectors for hyperspectroscopy and other applications


Rodionov I., Bidault J., Crotty I., Fonte P., Galy F., Peskov V., ...Daha Fazla

Nuclear Science Symposium/Medical Imaging Conference, Fajardo, Porto Riko, 23 - 29 Ekim 2005, ss.3045-3049 identifier identifier identifier

  • Yayın Türü: Bildiri / Tam Metin Bildiri
  • Doi Numarası: 10.1109/nssmic.2005.1596972
  • Basıldığı Şehir: Fajardo
  • Basıldığı Ülke: Porto Riko
  • Sayfa Sayıları: ss.3045-3049
  • Bursa Uludağ Üniversitesi Adresli: Hayır

Özet

Hyperspectroscopy is a new method of surface image taking, providing simultaneously high position and spectral resolutions which allow one to make some conclusions about chemical compositions of the surfaces. For image taking advanced MCPs are currently used, sensitive in the spectral interval of 450-850 nm. One of the aims of this work is to extend the hyperspectrocpic method to the UV region of spectra: 185-280 nm. For this we have developed and successfully tested innovative 1D and 2D UV sealed photosensitive gaseous detectors with resistive electrodes. These detectors are superior MCPs due to the very low rate of noise pulses and thus due to the high signal to noise ratio. Other important features of these detectors are that they have excellent position resolutions - 30 mu m in digital form, are vibration stable and are spark protected. The first results from the application of these detectors for spectroscopy, hyperspectroscopy and the flame detection are presented.