Samarium doped alkaline earth halide thin films as spectrally selective materials for hole burning?

A. Monner Department of Physical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211, Geneva 4, Switzerland

M. Schnieper Department of Physical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211, Geneva 4, Switzerland

R. Jaaniso Department of Physical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211, Geneva 4, Switzerland

H. Bill Department of Physical Chemistry, University of Geneva, 30 Quai E. Ansermet, CH-1211, Geneva 4, Switzerland

Abstract

Optical hole burning, a potential technique for spectrally selective recording, was demonstrated in Sm-doped MBE-grown thin films of CaF₂/Si(111). The inhomogeneous broadening of the corresponding Sm²⁺ 5d(T_1u) ↞ 4f(⁷F₀, A_1g) transition (690 nm) was investigated as a function of substrate temperature and film thickness. The MBE apparatus is briefly described as well as the thin film growth procedure.

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Samarium doped alkaline earth halide thin films as spectrally selective materials for hole burning?

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Samarium doped alkaline earth halide thin films as spectrally selective materials for hole burning?

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