Download or read book Preparation Structure and Spectroscopic Properties of Nd3 La 1 x Lu x 3 Lu 1 y Ga y 2 Ga 3O12 Crystals written by Toomas H. Allik and published by . This book was released on 1988 with total page 32 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Preparation Structure and Spectroscopic Properties of Nd 3 La 1 x Lu x 3 Lu 1 y Ga y 2 Ga 3 O12 Crystals written by Toomas H. Allik and published by . This book was released on 1988 with total page 33 pages. Available in PDF, EPUB and Kindle. Book excerpt: Single crystals of lanthanum lutetium gallium garnet (LLGG) were grown by the Czochralski pulling technique. X-ray diffraction and elemental analysis performed on these samples indicate that these garnets do not form with simple stoichiometry described as (La) 3Lu2(Ga)3O12 but with increased Lu concentration in the dodecahedral site and Ga occupancy in the octahedral site. Optical absorption and fluorescence spectra confirm these results, showing inhomogeneous broadening of the spectral lines of Nd3+. Various laser gain measurements were performed on (La1-xLux) 3Lu1-yGay2(Ga)3O12 crystals containing 4.3 and 1.2 atomic percent Nd3+ to determine the usefulness of this material as a laser. No optical gain was observed. To ascertain why, time-resolved, site-selection spectroscopy measurements were made to determine the effects of ion/ion interaction, and two-photon excitation spectroscopy measurements were made to determine the effects of excited state absorption. The results show the presence of very weak energy transfer between ions in nonequivalent crystal-field sites and the presence of very strong two-photon absorption transitions. Keywords: Neodymium, Crystal field theory, Rare earth, Spectra. (MJM).

Download or read book Bibliography written by Pierre Villars and published by Walter de Gruyter. This book was released on 2012-12-21 with total page 1827 pages. Available in PDF, EPUB and Kindle. Book excerpt: By browsing about 10 000 000 scientific articles of over 200 major journals mainly in a 'cover to cover approach' some 200 000 publications were selected. The extracted data is part of the following fundamental material research fields: crystal structures (S), phase diagrams (also called constitution) (C) and the comprehensive field of intrinsic physical properties (P). This work has been done systematically starting with the literature going back to 1900. The above mentioned research field codes (S, C, P) as well as the chemical systems investigated in each publication were included in the present work. The aim of the Inorganic Substances Bibliography is to provide researchers with a comprehensive compilation of all up to now published scientific publications on inorganic systems in only three handy volumes.

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Download or read book Advances in Solid State Lasers written by Mikhail Grishin and published by BoD – Books on Demand. This book was released on 2010-02-01 with total page 642 pages. Available in PDF, EPUB and Kindle. Book excerpt: Invention of the solid-state laser has initiated the beginning of the laser era. Performance of solid-state lasers improved amazingly during five decades. Nowadays, solid-state lasers remain one of the most rapidly developing branches of laser science and become an increasingly important tool for modern technology. This book represents a selection of chapters exhibiting various investigation directions in the field of solid-state lasers and the cutting edge of related applications. The materials are contributed by leading researchers and each chapter represents a comprehensive study reflecting advances in modern laser physics. Considered topics are intended to meet the needs of both specialists in laser system design and those who use laser techniques in fundamental science and applied research. This book is the result of efforts of experts from different countries. I would like to acknowledge the authors for their contribution to the book. I also wish to acknowledge Vedran Kordic for indispensable technical assistance in the book preparation and publishing.

Download or read book Solid State Lasers written by and published by . This book was released on 1990 with total page 324 pages. Available in PDF, EPUB and Kindle. Book excerpt:

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Download or read book Faculties Publications and Doctoral Theses in Chemistry and Chemical Engineering at United States Universities written by American Chemical Society. Committee on Professional Training and published by . This book was released on 1991 with total page 1646 pages. Available in PDF, EPUB and Kindle. Book excerpt: