caa a22 4500 445368365 CHVBK 20180317142938.0 cr unu---uuuuu 170323e20110601xx s 000 0 eng 10.1007/s00340-011-4571-7 doi (NATIONALLICENCE)springer-10.1007/s00340-011-4571-7 CW one-micron (4F3/2-4I11/2) laser oscillation of Nd3+ ions in the melilite-type crystal Ca2MgSi2O7:Nd3+(Na+) at its incommensurate-commensurate phase transition [Elektronische Daten] [A. Kaminskii, H. Nakao, A. Shirakawa, K. Ueda, J. Liebertz, P. Becker, L. Bohatý] The spectroscopic and stimulated-emission (4F3/2→4I11/2) properties of the novel melilite-type laser crystal Ca2MgSi2O7:Nd3+(Na+) were studied in a temperature range that covers its incommensurate-commensurate (IC↔N) phase transition. The phase transition temperatures of both undoped Ca2MgSi2O7 and the doped crystal were ascertained at 346.6K (undoped) and 341.3K (doped) by means of differential scanning calorimetry (DSC). The temperature-dependent spectroscopic and laser experiments showed a significant decrease in CW output power and a strong distortion of the generated lasing beam in the region of the phase transition. The observed crystal field disorder of Nd3+ lasants in Ca2MgSi2O7:Nd3+(Na+) is dominantly due to occupation of the position of Ca2+ by cations of different valency, while the influence of incommensurability is of minor importance. Springer-Verlag, 2011 Kaminskii A. Institute of Crystallography, Russian Academy of Sciences, 119333, Moscow, Russia aut Nakao H. Institute for Laser Science, University of Electro-Communications, 182-8585, Tokyo, Japan aut Shirakawa A. Institute for Laser Science, University of Electro-Communications, 182-8585, Tokyo, Japan aut Ueda K. Institute for Laser Science, University of Electro-Communications, 182-8585, Tokyo, Japan aut Liebertz J. Institute of Crystallography, University of Cologne, 50939, Cologne, Germany aut Becker P. Institute of Crystallography, University of Cologne, 50939, Cologne, Germany aut Bohatý L. Institute of Crystallography, University of Cologne, 50939, Cologne, Germany aut Applied Physics B Springer-Verlag 103/3(2011-06-01), 629-635 0946-2171 103:3<629 2011 103 340 https://doi.org/10.1007/s00340-011-4571-7 text/html Onlinezugriff via DOI 1 research-article jats NATIONALLICENCE 856 40 https://doi.org/10.1007/s00340-011-4571-7 text/html Onlinezugriff via DOI NATIONALLICENCE 700 1- Kaminskii A. Institute of Crystallography, Russian Academy of Sciences, 119333, Moscow, Russia aut NATIONALLICENCE 700 1- Nakao H. Institute for Laser Science, University of Electro-Communications, 182-8585, Tokyo, Japan aut NATIONALLICENCE 700 1- Shirakawa A. Institute for Laser Science, University of Electro-Communications, 182-8585, Tokyo, Japan aut NATIONALLICENCE 700 1- Ueda K. Institute for Laser Science, University of Electro-Communications, 182-8585, Tokyo, Japan aut NATIONALLICENCE 700 1- Liebertz J. Institute of Crystallography, University of Cologne, 50939, Cologne, Germany aut NATIONALLICENCE 700 1- Becker P. Institute of Crystallography, University of Cologne, 50939, Cologne, Germany aut NATIONALLICENCE 700 1- Bohatý L. Institute of Crystallography, University of Cologne, 50939, Cologne, Germany aut NATIONALLICENCE 773 0- Applied Physics B Springer-Verlag 103/3(2011-06-01), 629-635 0946-2171 103:3<629 2011 103 340 Metadata rights reserved Springer special CC-BY-NC licence nationallicence BK010053 XK010053 XK010000 NATIONALLICENCE NATIONALLICENCE NL-springer