Temporal Characteristics of Afterglow in Artificial Opal

M. V. Vasnetsov; V. Yu. Bazhenov; V. V. Ponevchinsky; D. O. Plutenko; A. D. Kudryavtseva; N. V. Tcherniega

doi:10.15407/ujpe61.09.0795

Temporal Characteristics of Afterglow in Artificial Opal

Authors

M. V. Vasnetsov Institute of Physics, Nat. Acad. of Sci. of Ukraine
V. Yu. Bazhenov Institute of Physics, Nat. Acad. of Sci. of Ukraine
V. V. Ponevchinsky Institute of Physics, Nat. Acad. of Sci. of Ukraine
D. O. Plutenko Institute of Physics, Nat. Acad. of Sci. of Ukraine
A. D. Kudryavtseva P.N. Lebedev Institute, Russian Academy of Sciences
N. V. Tcherniega P.N. Lebedev Institute, Russian Academy of Sciences

DOI:

https://doi.org/10.15407/ujpe61.09.0795

Keywords:

artificial opal, afterglow, nanocavity lasing

Abstract

We report the results of an experimental study of the temporal response of the artificial opal luminescence excited by UV pulses from a nitrogen laser at room temperature, liquid-nitrogen temperature, and in the intermediate range. While the response time does not exceed 15 ns at room temperature, the afterglow at liquid-nitrogen temperature was detected with a decay time of about 700 ms. We have revealed that the afterglow appears suddenly with just millisecond-range duration at a definite temperature of 130±5 K. The temperature dependence of the afterglow is of importance for the explanation of surprising effects of the stimulated emission in a single nano-sized SiO2 globule and the second harmonic generation in the material at liquid-nitrogen temperature.

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Published

2019-01-05

How to Cite

Vasnetsov, M. V., Bazhenov, V. Y., Ponevchinsky, V. V., Plutenko, D. O., Kudryavtseva, A. D., & Tcherniega, N. V. (2019). Temporal Characteristics of Afterglow in Artificial Opal. Ukrainian Journal of Physics, 61(9), 795. https://doi.org/10.15407/ujpe61.09.0795

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Issue

Vol. 61 No. 9 (2016)

Section

Optics, lasers, and quantum electronics

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