A study of the optical and radiation damage properties of lead tungstate crystals

Author

Woody, C.L. ; Kierstead, J.A. ; toll, S. P S ; Zhu, R.Y. ; Ma, D.A. ; Newman, H.B.

Author_Institution

Brookhaven Nat. Lab., Upton, NY, USA

Volume

43

Issue

3

fYear

1996

fDate

6/1/1996 12:00:00 AM

Firstpage

1585

Lastpage

1589

Abstract

A study has been made of the optical and radiation damage properties of undoped and niobium doped lead tungstate crystals. Data were obtained on the optical absorbance, the intensity and decay time of the scintillation light output, and the radioluminescence and photoluminescence emission spectra. Radiation damage was studied in several undoped and niobium doped samples using ⁶⁰Co gamma ray irradiation. The change in optical absorption and observed scintillation light output was measured as a function of dose up to total cumulative doses on the order of 800 krad. The radiation induced phosphorescence and thermoluminescence was also measured, as well as recovery from damage by optical bleaching and thermal annealing. An investigation was also made to determine trace element impurities in several samples

Keywords

annealing; gamma-ray effects; lead compounds; niobium; optical saturable absorption; solid scintillation detectors; ⁶⁰Co gamma ray irradiation; PbWO₄; PbWO₄:Nb; lead tungstate crystals; optical bleaching; optical properties; photoluminescence; radiation damage properties; radioluminescence; recovery; scintillation light output; thermal annealing; trace element impurities; Collision mitigation; Contracts; Crystals; Electromagnetic wave absorption; Magnetic materials; Niobium; Optical scattering; Photoluminescence; Stimulated emission; Wavelength measurement;

fLanguage

English

Journal_Title

Nuclear Science, IEEE Transactions on

Publisher

ieee

ISSN

0018-9499

Type

jour

DOI

10.1109/23.507152

Filename

507152