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  • 1
    Electronic Resource
    Electronic Resource
    Laser properties of a new average-power Nd-doped phosphate glass (1995)
    Springer
    Applied physics 61 (1995), S. 257-266 
    Details
    ISSN: 1432-0649
    Keywords: 42.55.Rz ; 42.70. Hj
    Source: Springer Online Journal Archives 1860-2000
    Topics: Physics
    Notes: Abstract The Nd-doped phosphate laser glass described herein can withstand 2.3 times greater thermal loading without fracture, compared to APG-1 (commercially available Average-Power Glass from Schott Glass Technologies). The enhanced thermal loading capability is established on the basis of the intrinsic thermomechanical properties (expansion, conduction, fracture toughness, and Young's modulus), and by direct thermally induced fracture experiments using Ar-ion laser heating of the samples. This Nd-doped phosphate glass (referred to as APG-t) is found to be characterized by a 29% lower gain cross section and a 25% longer low-concentration emission lifetime. Other measurements pertaining to the concentration quenching, thermal lensing, and saturation of the extraction are also described in this article. It is note-worthy that APG-t offers increased bandwidth near the peak of the 1054 nm gain spectrum, suggesting that this material may have special utility as a means of generating and amplifying ultrashort pulses of light.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01082045
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  • 2
    Electronic Resource
    Electronic Resource
    Ligandeneigenschaften von Thiopyronen. I. Metallchelate von 2-Methyl-3-hydroxy-4-thiopyron (Thiomaltol) (1973)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 401 (1973), S. 255-262 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Coordination Ability of Thiopyrones. I. Metal Chelates of 2-Methyl-3-hydroxy-4-thiopyrone (Thiomaltol)Metal chelates of 2-methyl-3-hydroxy-4-thiopyrone with a series of metals are prepared as solids, the constitution of the complexes is determined in solution, and the extraction ability of the ligand for copper, nickel, cobalt and palladium is studied. Stability constants of the zinc and cadmium chelates are compared with those of thiodibenzoyl-methane.
    Notes: Eine Reihe von Metallchelaten des 2-Methyl-3-hydroxy-4-thiopyrons wird in Substanz dargestellt, die Komplexzusammensetzung in Lösung bestimmt und das Extraktionsverhalten des Liganden gegenüber Kupfer, Nickel, Kobalt und Palladium untersucht. Die Stabilitätskonstanten der Zink- und Cadmiumchelate werden mit denen für Thiobenzoylmethan verglichen.
    Additional Material: 5 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19734010306
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  • 3
    Electronic Resource
    Electronic Resource
    Chelate von β-Dicarbonylverbindungen und ihren Derivaten. 48 Ligandeigenschaften von 1-Phenyl-3-methyl-4-thiobenzoylpyrazolon, -4-benzoylthiopyrazolon und -4-benzoylselenopyrazolon (1977)
    Weinheim : Wiley-Blackwell
    Zeitschrift für anorganische Chemie 428 (1977), S. 277-281 
    Details
    ISSN: 0044-2313
    Keywords: Chemistry ; Inorganic Chemistry
    Source: Wiley InterScience Backfile Collection 1832-2000
    Topics: Chemistry and Pharmacology
    Description / Table of Contents: Chelates of β-Dicarbonyl Compounds and their Derivatives. 48. Properties of the 1-Phenyl-3-methyl-4-thiobenzoylpyrazolone, -4-benzoylthiopyrazolone, and -4-benzoylselenopyrazolone LigandsThio and seleno derivatives of 1-phenyl-3-methyl-4-benzoyl-pyrazolone were synthesized by reaction of 1-phenyl-3-methyl-pyrazolon with dithiobenzoic ester and by reaction of the analogue 4-benzoyl-5-chlorpyrazole with sodium hydrosulfide or -selenide. Metal chelates of Cu, Ni, Co, Zn, Cd, Hg, Tl, and In were isolated. The influence of the central atoms on the optical behaviour was studied.
    Notes: Durch Umsetzung von 1-Phenyl-3-methylpyrazolon mit Dithiobenzoesäureester sowie von 1-Phenyl-3-methyl-4-benzoyl-5-chlorpyrazol mit Natriumhydrogensulfid bzw. -selenid werden die Thio- und Selenoderivate des 1-Phenyl-3-methyl-4-benzoyl-pyrazolons sowie Metallkomplexe mit Cu, Ni, Co, Zn, Cd, Hg, Tl und In dargestellt. Der Einfluß der Zentralatome auf die optischen Eigenschaften wurde untersucht.
    Additional Material: 3 Ill.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1002/zaac.19774280136
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