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JOURNALS // Optics and Spectroscopy // Archive

Optics and Spectroscopy, 2021 Volume 129, Issue 4, Pages 467–471 (Mi os156)

This article is cited in 2 papers

Spectroscopy of condensed matter

Oxygen phosphorescence upon excitation at a wavelength of 765 nm

V. M. Kiselev, I. V. Bagrov, A. S. Grenishin

S. I. Vavilov State Optical Institute", St. Petersburg

Abstract: The phosphorescence of oxygen in the liquid phase and in a solution in carbon tetrachloride was studied upon excitation at a wavelength of 765 nm using an LED array as a source of direct optical excitation. A comparison is made of the observed efficiency of oxygen phosphorescence at a wavelength of 1270 nm upon its excitation at a wavelength of 765 nm with its excitation at other wavelengths, which partially or completely coincide with the absorption lines of molecular oxygen complexes. Key words: phosphorescence, singlet oxygen, molecular complexes, optical excitation, LED matrices.

Keywords: phosphorescence, singlet oxygen, molecular complexes, optical excitation, LED matrices.

Received: 18.08.2020
Revised: 18.08.2020
Accepted: 01.12.2020

DOI: 10.21883/OS.2021.04.50776.218-20


 English version:
Optics and Spectroscopy, 2021, 129:4, 505–509

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© Steklov Math. Inst. of RAS, 2026