Properties Of Crlisralf6 Crystals For Laser Operation

    Authors

    S. A. Payne; L. K. Smith; R. J. Beach; B. H. T. Chai; J. H. Tassano; L. D. Deloach; W. L. Kway; R. W. Solarz;W. F. Krupke

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    Abbreviated Journal Title

    Appl. Optics

    Keywords

    PUMPED CR-LISRALF6 LASER; EXCITED-STATE ABSORPTION; 50-FS PULSE; GENERATION; CR3+LISRALF6; PERFORMANCE; LISRALF6; SYSTEM; CR-3+; Optics

    Abstract

    We have performed several physical and optical measurements on the Cr:LiSAF (LiSrAlF6) laser material that are relevant to its laser performance, including thermal and mechanical properties, water durabilities, and Auger upconversion constants. The expansion coefficient, Young's modulus, fracture toughness, thermal conductivity, and heat capacity are all used to determine an overall thermomechanical figure of merit for the crystal. An investigation of the water durability suggests that the cooling solution should be maintained at pH = 7 to ameliorate problems associated with water dissolution. The Auger constant was found to become much more significant at higher Cr doping, in which excited-state migration leads to a substantial increase in the upconversion rate. We propose a design for a 50-W Cr:LiSAF laser system that is based on a detailed knowledge of all the relevant material parameters.

    Journal Title

    Applied Optics

    Volume

    33

    Issue/Number

    24

    Publication Date

    1-1-1994

    Document Type

    Article

    Language

    English

    First Page

    5526

    Last Page

    5536

    WOS Identifier

    WOS:A1994PE54800008

    ISSN

    0003-6935

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