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(19)

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2 705 341

(13)

(51)

IPC

C30B9/12(2006-01-01)

C30B15/02(2006-01-01)

C30B15/36(2006-01-01)

C30B27/02(2006-01-01)

C30B29/22(2006-01-01)

G02F1/355(2006-01-01)

G02B1/02(2006-01-01)

H01S3/16(2006-01-01)

(21) (22)

Application

2019123211, 2019-07-18

(24)

Start date

2019-07-18

(22)

Actual filing date

2019-07-18

(45)

Published

2019-11-06

(72)

Inventor

Simonova Ekaterina AleksandrovnaKononova Nadezhda GeorgievnaShevchenko Vyacheslav SergeevichKuznetsov Artem BorisovichKokh Aleksandr Egorovich

(73)

Holder

Federalnoe Gosudarstvennoe Byudzhetnoe Uchrezhdenie Nauki Institut Geologii I Mineralogii Im. V.S. Soboleva Sibirskogo Otdeleniya Rossijskoj Akademii Nauk Geologii I Mineralogii So Ran, Igm So Ran)

METHOD OF GROWING A BARIUM METABORATE β-BABO (BBO) CRYSTAL Russian patent published in 2019 - IPC C30B9/12 C30B15/02 C30B15/36 C30B27/02 C30B29/22 G02F1/355 G02B1/02 H01S3/16

Abstract RU 2705341 C1

FIELD: technological processes.

SUBSTANCE: invention relates to production of barium metaborate ΒaB₂O₄ (BBO) monocrystals, used in laser systems. Height of BBO crystal is carried out in precision heating furnace having high symmetry and stability of thermal field from high-temperature solution-melt, including barium borate ΒaB₂O₄ molten massand a complex solvent based on a eutectic composition LiF-NaF with excess B₂O₃from 3 to 7 wt %, on rotating oriented along direction [0001] primer, at crystal drawing speed from 0.15 to 0.4 mm/day with simultaneous cooling of solution-melt with rate from 0.3 to 1 deg/day.

EFFECT: increasing dimensions of BBO crystals and increasing the output coefficient while maintaining their optical quality.

1 cl, 2 dwg, 1 ex

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RU 2 705 341 C1

Authors

Simonova Ekaterina Aleksandrovna

Kononova Nadezhda Georgievna

Shevchenko Vyacheslav Sergeevich

Kuznetsov Artem Borisovich

Kokh Aleksandr Egorovich

Dates

2019-11-06—Published

2019-07-18—Filed