VUV spectroscopy of wide band-gap crystals doped with rare earth ions
- 作者：Makhov ; V.N. ; Khaidukov ; N.M. ; Kirikova ; N.Yu. ; Kirm ; M. ; Krupa ; J.C. ; Ouvarova ; T.V. ; Zimmerer ; G.
- 关键词：78.55 ; 78.60 ; 78.40 ; 78.47 ; 42.70.H ; Fluoride crystals ; Rare earth ions ; 5d&ndash ; 4f luminescence ; VUV lasers ; Scintillator
- 刊名：Nuclear Instruments and Methods in Physics Research Section A ; Accelerators ; Spectrometers ; Detectors and Associated Equipment
- 出版年：2001
- 期刊代码：41_01689002
- 类别：ph
- 出版时间：September 1, 2001
- 卷：470
- 期：1-2
- 页码：290-294
- 文件大小：136 K
摘要
Spectral and kinetic properties of vacuum ultraviolet (VUV) luminescence from different fluoride crystals doped with Nd<sup>3+sup>, Er<sup>3+sup> or Tm<sup>3+sup> are discussed. Concentration quenching of VUV luminescence, the impact mechanism of the energy transfer from the matrix to the emission centers as well as nonradiative relaxation processes in the rare earth ions have been detected and studied. The crystal properties are analyzed from the viewpoint of their possible applications as materials for fast VUV scintillators and VUV solid state lasers. Only some of Nd<sup>3+sup> doped crystals possess simultaneously both high light output and relatively good timing properties of VUV luminescence and such crystals can be considered as promising materials for fast VUV scintillators. On the other hand, many of Er<sup>3+sup> and Tm<sup>3+sup> doped fluoride crystals are very attractive candidates as active media for tunable VUV solid state lasers with optical pumping.