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Laser stimulated bistability in the Yb doped Nd gallate
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SYSNO ASEP 0342934 Document Type J - Journal Article R&D Document Type Journal Article Subsidiary J Článek ve WOS Title Laser stimulated bistability in the Yb doped Nd gallate Author(s) Majchrowski, A. (PL)
Lukasiewicz, T. (PL)
Kisielewski, J. (PL)
Swirkowicz, M. (PL)
Kityk, I. V. (PL)
Reshak, Ali H (UEK-B)Number of authors 6 Source Title Materials Letters. - : ELSEVIER SCIENCE BV - ISSN 0167-577X
Roč. 63, č. 16 (2009), s. 1410-1412Number of pages 3 s. Language eng - English Country NL - Netherlands Keywords Borate crystals Subject RIV BO - Biophysics CEZ AV0Z60870520 - UEK-B (2005-2011) UT WOS 000266519600013 DOI 10.1016/j.matlet.2009.03.029 Annotation An effect similar to the one observed in the case of Nd3BWO9:Yb was discovered during investigation of the emission excited at 0.77 mu m 10 ns pulsed SHG of the Er3+ glass lasers in the Yb doped Nd gallate (NdGaO3: Yb). The laser beam was used Simultaneously for photo thermal heating as well as for the photo excitation. We have discovered an enhancement of the intensities of the Nd3+ emission lines (at about 1060 nm) and decrease of the intensity of the Yb 31 lines at 975, and 994 nm. The photo treatment of the 2 mm thick samples were performed at temperature about 10 K. Such optically stimulated bistability may be caused by photo thermal mechanisms, and principal role of the IR reflected modes at 450 cm(-1) is shown. Workplace Global Change Research Institute Contact Nikola Šviková, svikova.n@czechglobe.cz, Tel.: 511 192 268 Year of Publishing 2011
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