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Proceedings Paper

Fluorescence up-conversion for differential luminescence thermometry in Ho-doped crystals
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Paper Abstract

Abstract: The use of temperature-sensitive fluorescence up-conversion in Ho doped crystals for non-contact Differential Luminescence Thermometry (DLT) is investigated. The up-conversion fluorescence spectra of Ho3+-doped YLF crystals, subject to pumping within the 5I8 - 5I7 manifold (1899-2066 nm), are measured versus the temperature in a cryostat. Considerable changes in the measured photoluminescence spectra, and in the red, yellow and green upconversion spectra is observed as the temperature is reduced from 300 K to 80 K

Paper Details

Date Published: 24 February 2020
PDF: 1 pages
Proc. SPIE 11298, Photonic Heat Engines: Science and Applications II, 112980T (24 February 2020); doi: 10.1117/12.2545518
Show Author Affiliations
Saeid Rostami, The Univ. of New Mexico (United States)
Mansoor Sheik-Bahae, The Univ. of New Mexico (United States)


Published in SPIE Proceedings Vol. 11298:
Photonic Heat Engines: Science and Applications II
Denis V. Seletskiy; Richard I. Epstein; Mansoor Sheik-Bahae, Editor(s)

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