Optical hole-burning properties of Sm2+-doped strontium borates

Two kinds of Sm-doped Strontium Borates, SrB4O7 (STB) and SrB6O10 (SHB), were prepared for the spectral hole-burning experiment. Sm3+-ions doped into the STB were well reduced to Sm2+-ions in air environment. Though partial reduction was observed in SHB, the Sm3+-ions successfully reduced in the sub...

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Bibliographic Details
Published in:Journal of the Physical Society of Japan 2006, Vol.75 (5)
Main Authors: PARK, Seongtae, JANG, Kiwan, KIM, Ilgon, LEE, Yong-Ill, SEO, Hyo Jin
Format: Article
Language:English
Subjects:
Condensed matter: electronic structure, electrical, magnetic, and optical properties
Exact sciences and technology
Optical properties and condensed-matter spectroscopy and other interactions of matter with particles and radiation
Other solid inorganic materials
Photoluminescence
Physics
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Summary:Two kinds of Sm-doped Strontium Borates, SrB4O7 (STB) and SrB6O10 (SHB), were prepared for the spectral hole-burning experiment. Sm3+-ions doped into the STB were well reduced to Sm2+-ions in air environment. Though partial reduction was observed in SHB, the Sm3+-ions successfully reduced in the subsequent X-ray irradiation (SHBX). Permanent spectral hole-burning experiments were conducted for 7F0-5D1 transition band of Sm2+-ions. The two samples STB and SHBX showed deep spectral holes at room temperature and 50 K, i.e., 40 and 72% of hole depths in STB and SHBX at 50 K, respectively. The STB showed type I hole-burning properties and SHBX type II. The spectral holes were sustained for over 24 h at room temperature. Multiple holes were burnt in an inhomogeneously broadened band to demonstrate the optical data storage in the frequency domain.
ISSN:0031-9015
1347-4073
DOI:10.1143/jpsj.75.054709