SOLID-STATE LASER ELEMENT

PURPOSE:To oscillate laser beams of high output and high quality by a method wherein both inclined end surfaces of a slab solid-state laser element made of gadolium-gallium-garnet single crystal doped with neodium are made parallel with growing stripes of single crystal. CONSTITUTION:The element 10...

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Bibliographic Details
Main Authors UNNO MASAMI, ABE MITSUAKI, HONDA TATSUATSU, WADA NAOKI
Format Patent
LanguageEnglish
Published 16.12.1985
Edition4
Subjects
BASIC ELECTRIC ELEMENTS
DEVICES USING STIMULATED EMISSION
ELECTRICITY
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Summary:PURPOSE:To oscillate laser beams of high output and high quality by a method wherein both inclined end surfaces of a slab solid-state laser element made of gadolium-gallium-garnet single crystal doped with neodium are made parallel with growing stripes of single crystal. CONSTITUTION:The element 10 is made of gadolium-gallium-garnet single crystal doped with neodium. The element 10 is cut out so that its end surfaces may be nearly parallel with growing stripes S, with the direction of slab cut-out inclined to the direction of pull-up of the single crystal 8. In such a manner, the shade of neodium in the slab comes closely parallel to the end surfaces; thereby, the grating interval in the end surfaces 11 and 12 largely increases, and the light scattering due to diffraction reduces almost negligibly.
Bibliography:Application Number: JP19840109652