Search for new long-wavelength phosphors

Alexander S. Potapov; Sergei S. Mikhrin; Alexander N. Mishin; Piotr A. Rodnyi

doi:10.1117/12.456248

18 February 2002 Search for new long-wavelength phosphors

Alexander S. Potapov, Sergei S. Mikhrin, Alexander N. Mishin, Piotr A. Rodnyi

Proceedings Volume 4627, Fifth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering; (2002) https://doi.org/10.1117/12.456248
Event: Fifth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, 2001, St. Petersburg, Russian Federation

Abstract

At present there is a great interest in phosphors producing high light yield in long wavelength region (550 - 1050 nm). They have a lot of application in different fields of physics such as laser physics, medical physics and tomography, semiconductor physics and others. The main reason of that is the emission spectra of these materials match well to sensitivity of silicon photodiodes. In this paper we present the spectral and decay time characteristics of some long-wavelength phosphors (such as A^IIB^VI, Al₂O₃:Ti, some molybdates, Gd₂O₂S and Y₂O₂S doped with Tb, and some others). The process of energy transfer to emission centers are considered. In most cases, types of the centers responsible for radiative transitions were determined.

Citation Download Citation

Alexander S. Potapov, Sergei S. Mikhrin, Alexander N. Mishin, and Piotr A. Rodnyi "Search for new long-wavelength phosphors", Proc. SPIE 4627, Fifth International Workshop on Nondestructive Testing and Computer Simulations in Science and Engineering, (18 February 2002); https://doi.org/10.1117/12.456248

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