Absolute calibration of an electron spectrometer using high energy electrons produced by the laser-plasma interaction

S Masuda; E Miura; K Koyama; S Kato

doi:10.1063/1.2969655

Absolute calibration of an electron spectrometer using high energy electrons produced by the laser-plasma interaction

Rev Sci Instrum. 2008 Aug;79(8):083301. doi: 10.1063/1.2969655.

Authors

S Masuda¹, E Miura, K Koyama, S Kato

Affiliation

¹ National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba Central 2, 1-1-1 Umezono, Tsukuba, Ibaraki 305-8568, Japan.

PMID: 19044340
DOI: 10.1063/1.2969655

Abstract

An in situ observation system has been developed to observe the absolute electron energy spectra of electron beams generated by laser-plasma interaction. A phosphor screen (DRZ) coupled with a charge coupled device camera is used to detect the electrons. A new method is proposed to calibrate the absolute sensitivity of the detection system for a wide energy range with a single shot by using an electron beam generated by laser-plasma interaction. The sensitivity of the system is found to be high, which is comparable to that of an imaging plate.