Strontium iodide scintillators for high energy resolution gamma ray spectroscopy

Cody M Wilson; Edgar V. van Loef; Jarek Glodo; Nerine Cherepy; Giulia Hull; Stephen Payne; Woon-Seng Choong; William Moses; Kanai S. Shah

doi:10.1117/12.806291

5 September 2008 Strontium iodide scintillators for high energy resolution gamma ray spectroscopy

Cody M Wilson, Edgar V. van Loef, Jarek Glodo, Nerine Cherepy, Giulia Hull, Stephen Payne, Woon-Seng Choong, William Moses, Kanai S. Shah

Author Affiliations +

Proceedings Volume 7079, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics X; 707917 (2008) https://doi.org/10.1117/12.806291
Event: Optical Engineering + Applications, 2008, San Diego, California, United States

Abstract

Recently SrI₂, a scintillator patented by Hofstadter in 1968, has been rediscovered and shown to possess remarkable scintillation properties. The light output of SrI₂:Eu²⁺ has been measured to be even higher than previously observed and exceeds 120,000 photons/MeV, making it one of the brightest scintillators in existence. The crystal also has excellent energy resolution of less than 3% at 662 keV. The response is highly linear over a wide range of gamma ray energies. The emission of SrI₂:Eu²⁺ and SrI₂:Ce³⁺/Na⁺ is well-matched to both photomultiplier tubes and blue-enhanced silicon photodiodes. While SrI₂:Eu²⁺ is relatively slow, SrI₂:Ce³⁺/Na⁺ has a fast response. SrI₂ crystals with many different dopant concentrations have been grown and characterized. In this presentation, crystal growth techniques as well as the effects of dopant concentration on the scintillation properties of SrI₂, over the range 0.5% to 8% Eu²⁺ and 0.5% to 2% Ce³⁺/Na⁺, will be discussed in detail.

Citation Download Citation

Cody M Wilson, Edgar V. van Loef, Jarek Glodo, Nerine Cherepy, Giulia Hull, Stephen Payne, Woon-Seng Choong, William Moses, and Kanai S. Shah "Strontium iodide scintillators for high energy resolution gamma ray spectroscopy", Proc. SPIE 7079, Hard X-Ray, Gamma-Ray, and Neutron Detector Physics X, 707917 (5 September 2008); https://doi.org/10.1117/12.806291

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available