Active material for the manufacture of laser rods

Details Active material for the manufacture of laser rods Active material for the manufacture of laser rods

1987-06-09

1989-04-11

Dixon, Jr., William R.

Compositions

Inorganic luminescent compositions

Compositions containing halogen; e.g., halides and oxyhalides

501152, 423263, 156DIG80, C09K 1104

Patent

active

048204455

ABSTRACT:
An active material for the manufacture of laser rods, having the chemical composition expressed by the formula A.sub.1+x B.sub.1-y C.sub.3-x O.sub.7-0.5 x, wherein A is barium, strontium, calcium, or a mixture thereof; B is lanthanum, yttrium, or a mixture thereof; C is gallium, aluminum, or a mixture thereof; and x and y assume both positive and negative values from -0.12 to +0.12;; and as a dopant an active element chosen from the group consisting of praseodymium, neodymium, samarium, europium, gadolinium, terbium, dysprosium, erbium, thulium and ytterbium in an amount of from 0.02 to 8.33 atomic percent.

REFERENCES:
patent: 3897358 (1975-07-01), Greskowich et al.
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A. A. Kaminskii, "Investigation of Trigonal (La.sub.1-x Nd.sub.x).sub.3 Ga.sub.5 SiO.sub.14 Crystals", Phys. Stat. Sol., vol. 80, pp. 387-398 (1983).
Jezowska-Trzebiatowska et al., "Structure of Erbium Pentaphosphate", Acta Cryst. B36, 1639-1641 (1980).
Dornauf et al., "Concentration-Dependent Flourescence-Quenching IrLa.sub.1-x PrP.sub.5 O.sub.14 ", Journal of Luminescence, vol. 22, pp. 1-16 (1980).
M. Berkowski, et al.; Absorption and Birefrigence of BaLaGa.sub.3 O.sub.7 Single Crystals; Physica 123B (1984) pp. 215-219.
J. Przedmojski, et al.; X-ray Investigations of BaLaGa.sub.3 O.sub.7 Single Crystals; Crystal Res. & Technol. 19 1984; pp. 1483-1487.
G. Jasiolek, et al.; Characterization of the BaLaGa.sub.3 O.sub.7 Single Crystals Grow by the Czochralski Method; Aeta Cryst., A40, Suppl. (1984); pp. 201-202.
W. Piekarczyk, et al.; The Czochralski Growth of BaLaGa.sub.3 O.sub.7 Single Crystals; Journal of the Less-Common Metals, III (1985) pp. 247-248.
W. Piekarczyk, et al.; The Czochralski Growth of BaLaGa.sub.3 O.sub.7 Single Crystals; Journal of Crystal Growth 71 (1985) pp. 395-398.
W. Soluch, et al.; Elastic, Piezoelectric, and Dielectric Properties of the BaLAGa.sub.3 O.sub.7 Crystal; J. Appl. Phys. 58(6) Sep. 15, 1985; pp. 2285-2287.
E. Snitzer; Glass Lasers; Applied Optics; Oct. 1966, vol. 5, No. 10, pp. 1487-1497.
W. Koechner; Solid State Laser Engineering; Springer Verlag, New York 1976.
Z. J. Kiss, et al.; Crystalline Solid Lasers; Applied Optics, vol. 5, No. 10, Oct. 1966; pp. 1474-1486.
A. A. Kaminskii; Laser Crystal; Springer-Verlag, Berlin, 1981.

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