| Institution: | (1) Center for Applied Quantum Electronics (CAQE), North Texas State University, 76203 Denton, TX, USA;(2) Laboratoire de Spectroscopie et d'Optique du corps Solide, Université de Strasbourg, F-67000 Strasbourg, France;(3) CAQE, NTSU, 76203 Denton, TX, USA;(4) Centro Ellettronica Quantistica e Strumentazione Elettronica, C.N.R., Milano, Italy;(5) Istituto di Fisica del Politecnico, Milano, Italy;(6) Laboratory for Laser Energetics, University of Rochester, 250 East River Road, 14623 Rochester, NY, USA;(7) Istituto di Fisica  G. Marconi , Università di Roma, I-00185 Roma, Italy;(8) Department of Physics, Imperial College, SW7 2BZ London, England;(9) Abteilung laserphysik, Max-Planck-Institut für biophysikalische Chemie, D-3400 Göttingen, Fed. Rep. Germany;(10) JATE University, H-6720 Szeged, Hungary;(11) Universität Bayreuth, D-8580 Bayreuth, Fed. Rep. Germany;(12) Centre de Recherche Paul Pascal, C. N. R. S., Domaine Universitaire, F-33405 Talence, France;(13) Centre d'Optique Moléculaire et Hertzienne, Université Bordeaux I, F-33405 Talence, France;(14) Sektion Physik, Friedrich-Schiller-Universität Jena, DDR-6900 Jena, German Democratic Republic |
