Three-dimensional grain boundary spectroscopy in transparent high power ceramic laser materials Export

@article{citeulike:3211018, abstract = {Using confocal Raman and fluorescence spectroscopic imaging in 3-dimensions, we show direct evidence of inhomogeneous Nd3+ distribution across grain boundaries (GBs) in Nd3+:YAG laser ceramics. It is clearly shown that Nd3+ segregation takes place at GBs leading to self-fluorescence quenching which affects a volume fraction as high as 20\%. In addition, we show a clear trend of increasing spatial inhomogeneities in Nd3+ concentration when the doping levels exceeds 3 at\%, which is not detected by standard spectrometry techniques. These results could point the way to further improvements in what is already an impressive class of ceramic laser materials.}, author = {Ramirez, Mariola O. and Wisdom, Jeffrey and Li, Haifeng and Aung, Yan L. and Stitt, Joseph and Messing, Gary L. and Dierolf, V. and Liu, Zhiwen and Ikesue, Akio and Byer, Robert L. and Gopalan, Venkatraman}, citeulike-article-id = {3211018}, citeulike-linkout-0 = {http://dx.doi.org/10.1364/OE.16.005965}, citeulike-linkout-1 = {http://www.opticsinfobase.org/abstract.cfm?id=157244}, day = {28}, doi = {10.1364/OE.16.005965}, journal = {Opt. Express}, keywords = {diffusion, diffusion-p, hi-dope, nd, segregation, transparent\_ceramic, yag}, month = {April}, number = {9}, pages = {5965--5973}, posted-at = {2008-09-10 01:10:14}, priority = {2}, publisher = {OSA}, title = {Three-dimensional grain boundary spectroscopy in transparent high power ceramic laser materials}, url = {http://dx.doi.org/10.1364/OE.16.005965}, volume = {16}, year = {2008} }

TY - JOUR ID - citeulike:3211018 L3 - citeulike-article-id:3211018 N2 - Using confocal Raman and fluorescence spectroscopic imaging in 3-dimensions, we show direct evidence of inhomogeneous Nd3+ distribution across grain boundaries (GBs) in Nd3+:YAG laser ceramics. It is clearly shown that Nd3+ segregation takes place at GBs leading to self-fluorescence quenching which affects a volume fraction as high as 20%. In addition, we show a clear trend of increasing spatial inhomogeneities in Nd3+ concentration when the doping levels exceeds 3 at%, which is not detected by standard spectrometry techniques. These results could point the way to further improvements in what is already an impressive class of ceramic laser materials. IS - 9 JF - Opt. Express EP - 5973 TI - Three-dimensional grain boundary spectroscopy in transparent high power ceramic laser materials PB - OSA VL - 16 SP - 5965 KW - diffusion KW - diffusion-p KW - hi-dope KW - nd KW - segregation KW - transparent_ceramic KW - yag AU - Ramirez, Mariola AU - Wisdom, Jeffrey AU - Li, Haifeng AU - Aung, Yan AU - Stitt, Joseph AU - Messing, Gary AU - Dierolf, V AU - Liu, Zhiwen AU - Ikesue, Akio AU - Byer, Robert AU - Gopalan, Venkatraman PY - 2008/04/28/ UR - http://dx.doi.org/10.1364/OE.16.005965 ER -