Nonlinear Optical Properties and Fluorescence Quenching in NdGd-Borate Laser Crystals
Recently grown rare earth borate laser crystals (e.g. NdA13(BO3)4) show second harmonic generation (SHG) comparable to that of LiNbO3. The SHG efficiency is reduced at higher Nd3+ concentrations In NdxGd1−xA13(BO3)4 crystals. Variation of the Nd3+ concentration results in a change of the fluorescence lifetime τ for NdxGd1−xAl3(BO3)4 between τ = 48 ± 3 μsec (x = 0,01) and T = 19 ± 1 μsec (x = 1) due to concentration quenching. These nonlinear optical materials are able to form a SHG laser.
KeywordsSecond Harmonic Generation Fluorescence Quenching Fluorescence Lifetime Nonlinear Optical Property Laser Crystal
Unable to display preview. Download preview PDF.
- 1.G. Huber, Neodymium Miniature Lasers in Current Topics in Materials Science, ed. E. Kaldis, North-Holland Amsterdam (1980) 1.Google Scholar
- 2.O. Jarchow, F. Lutz and K.H. Klaska, Z.f. Krist. 149 (1979) 162.Google Scholar
- 3.A.A. Ballmann, Am. Min. 47 (1962) 1380.Google Scholar
- 4.H.Y.-P. Hong and K. Dwight, Mat. Res. Bull. 9 (1974) 1661.Google Scholar
- 6.F. Lutz, R. Orlowski, T. Bosselmann and G. Huber, to be published.Google Scholar
- 9.F. Lutz, B. Buchhorn and T. Härig, to be published.Google Scholar