Title :
The measuring system of photo-stimulated discharge based on the OPO laser
Author :
He, Lijuan ; Chen, Yang ; Yang, Chun ; Tian, Fuqiang ; Zhao, Lei ; Wang, Xuan ; Lei, Qingquan
Author_Institution :
Coll. of Appl. Sci., Harbin Univ. of Sci. & Technol., Harbin, China
Abstract :
Photo-stimulated discharge (PSD) is an effective method to characterize the deep traps in the dielectric materials. In this paper, a new PSD measuring system was firstly built up based on the optical parametric oscillator laser. The laser can generate continuously tunable wavelength output light of which wavelength range is 210-420 nm and average output pulse energy is 2.3 mJ. The system overcomes the shortcoming of weak output energy in the experiments before, especially in the range of ultraviolet band. Experiments proved that this PSD system can work well and can be widely used in the theoretical and practical research of the dielectric materials.
Keywords :
deep levels; dielectric materials; discharges (electric); measurement by laser beam; optical parametric oscillators; OPO laser; continuously tunable wavelength output light; deep traps; dielectric materials; measuring system; optical parametric oscillator laser; photostimulated discharge; wavelength 210 nm to 420 nm; Dielectric materials; Dielectric measurements; Dielectrics and electrical insulation; Educational institutions; Educational technology; Electron traps; Material storage; Optical distortion; Optical polymers; Space charge; deep trap; optical parametric oscillator; photo-stimulated discharge; space charge;
Conference_Titel :
Properties and Applications of Dielectric Materials, 2009. ICPADM 2009. IEEE 9th International Conference on the
Conference_Location :
Harbin
Print_ISBN :
978-1-4244-4367-3
Electronic_ISBN :
978-1-4244-4368-0
DOI :
10.1109/ICPADM.2009.5252277
