DOI: 10.17586/2226-1494-2016-17-1-178-181


EFFECT OF UV LASER ON SPECTRAL PROPERTIES OF BORATE GLASSES DOPED WITH COPPER CHLORIDE NANOCRYSTALS

A. N. Babkina, K. I. Trots, P. S. Shirshnev, N. V. Nikonorov


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For citation: Babkina A.N., Trots K.I., Shirshnev P.S., Nikonorov N.V. Effect of UV laser on spectral properties of borate glasses doped with copper chloride nanocrystals. Scientific and Technical Journal of Information Technologies, Mechanics and Optics, 2017, vol. 17, no. 1, pp. 178–181. doi: 10.17586/2226-1494-2016-17-1-178-181

Abstract

We present the results of the pulsed ultraviolet laser effect on the spectral properties of the potassium-aluminium-borate glasses doped with the copper chloride nanocrystals with the average size of 3.1-6.3 nm. We have studied the changes of the exciton absorption spectra of the CuCl nanocrystals induced by different duration of the laser exposure. The results show the possibility of the laser-induced crystallization and growth of the nanocrystals. For the first time the effect of the irreversible photochromism has been obtained in the potassium-aluminium-borate glasses doped with the copper chloride nanocrystals. The effect is associated with the formation of the temperature stable Cu0n colloidal color centers.           


Keywords: nanocrystals, copper chloride, exciton absorption, color centers, photochromism, potassium-aluminium-borate glass

Acknowledgements. This work was financially supported by the Russian Scientific Foundation (Agreement No.14-23-00136).

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