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2 114 221

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IPC

(21) (22)

Application

96117172/25, 1996-08-23

(22)

Actual filing date

1996-08-23

(45)

Published

1998-06-27

(72)

Inventor

Isaenko L.I.Gubenko L.I.Ran L.S.Tjurikov V.I.

(73)

Holder

Konstruktorsko-Tekhnologicheskij Institut Monokristallov So Ran

METHOD OF GROWING LITHIUM TRIBORATE MONOCRYSTALS Russian patent published in 1998 - IPC

Abstract RU 2114221 C1

FIELD: preparation of crystals. SUBSTANCE: present invention makes it possible to prepare nonlinear optical lithium triborate monocrystals, and grow large-size crystals having diameter of 65-70 mm and length of not more than 40-45 mm and high optical quality without inclusions and which are useful for manufacturing optical elements. The claimed method comprises stretching crystal from melt solution containing, as solvent, system consisting of LiCO3-LiBO2-Li2MoO4 and simultaneously decreasing melt solution temperature. Solvent comprises, mol. %: Li2MoO4, 30-50; LiBO2, 6-40; and Li2CO3, 10-40. This makes it possible to attain concentration of lithium triborate in melt solution during crystal growth by more than 30 vol %. EFFECT: more efficient crystal growth method.

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RU 2 114 221 C1

Authors

Isaenko L.I.

Gubenko L.I.

Ran L.S.

Tjurikov V.I.

Dates

1998-06-27—Published

1996-08-23—Filed

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