CN110952142A - 一种高质量lbo晶体生长方法 - Google Patents

一种高质量lbo晶体生长方法 Download PDF

Info

Publication number
CN110952142A
CN110952142A CN201911188403.2A CN201911188403A CN110952142A CN 110952142 A CN110952142 A CN 110952142A CN 201911188403 A CN201911188403 A CN 201911188403A CN 110952142 A CN110952142 A CN 110952142A
Authority
CN
China
Prior art keywords
quality
furnace
heat
melt
growth method
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201911188403.2A
Other languages
English (en)
Inventor
王昌运
陈伟
谢发利
张星
陈秋华
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Fujian Castech Crystals Inc
Castech Inc
Original Assignee
Fujian Castech Crystals Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Fujian Castech Crystals Inc filed Critical Fujian Castech Crystals Inc
Priority to CN201911188403.2A priority Critical patent/CN110952142A/zh
Publication of CN110952142A publication Critical patent/CN110952142A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B29/00Single crystals or homogeneous polycrystalline material with defined structure characterised by the material or by their shape
    • C30B29/10Inorganic compounds or compositions
    • C30B29/16Oxides
    • C30B29/22Complex oxides
    • CCHEMISTRY; METALLURGY
    • C30CRYSTAL GROWTH
    • C30BSINGLE-CRYSTAL GROWTH; UNIDIRECTIONAL SOLIDIFICATION OF EUTECTIC MATERIAL OR UNIDIRECTIONAL DEMIXING OF EUTECTOID MATERIAL; REFINING BY ZONE-MELTING OF MATERIAL; PRODUCTION OF A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; SINGLE CRYSTALS OR HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; AFTER-TREATMENT OF SINGLE CRYSTALS OR A HOMOGENEOUS POLYCRYSTALLINE MATERIAL WITH DEFINED STRUCTURE; APPARATUS THEREFOR
    • C30B9/00Single-crystal growth from melt solutions using molten solvents

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Inorganic Chemistry (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)

Abstract

本发明一种高质量LBO晶体生长方法,采用碳酸锂和硼酸为原料,熔盐炉为生长装置,电炉丝加热,熔体液面至坩埚底部熔体之间温度梯度0~1℃,籽晶转速20~30r/min,炉子上方保温盖呈梯形状,中间厚,两边薄,生长得到高品质晶体。

Description

一种高质量LBO晶体生长方法
技术领域
本发明涉及一种LBO(LiB3O5,三硼酸锂)晶体生长技术,尤其高质量LBO晶体的生长。
背景技术
LBO晶体一种光学性能非常优秀的非线性光学晶体,它具有宽透过范围、高光学均匀性、相对较大的有效二倍频系数和高的激光损伤阈值。它在光电子技术方面有着重要和广泛的应用,广泛应用于激光频率转化,光学参量振荡和光学参量放大等领域。激光技术的发展对LBO晶体器件的尺寸和质量都提出了更高的要求。
发明内容
一般熔盐晶体生长只考虑坩埚温场,没有考虑炉口保温。为了制备高品质LBO晶体,本发明采用碳酸锂和硼酸为原料,采用电炉丝加热,熔体液面至坩埚底部熔体之间温度梯度0~1℃,籽晶转速20~30r/min,为了补偿铂金杆导热快和炉口中间开口带走的热量,影响温场稳定性,设计了一个梯形状上保温盖,如图1所示,中间厚,两边薄,保证炉口中间保温效果优于两侧,补偿炉口带走的热量,得到炉口上方四周均匀的温场,保证LBO晶体生长过程不易受到温度浮动的影响,生长出高品质晶体。
附图说明
图1为炉子示意图。
具体实施方式
实施例一:采用碳酸锂和硼酸为原料,经充分混合,并多次熔融后加入到一个Φ120×110mm的铂坩埚里,再把该铂坩埚置于图1中炉子里,熔体液面至坩埚底部熔体之间温度梯度0.5℃,籽晶转速为20r/min。经过试晶、下种,晶体开始生长,生长结束,提起晶体,开始10℃/h降温,降至室温取出,得到高品质晶体。

Claims (1)

1.一种高质量LBO晶体生长方法,其特征在于采用碳酸锂和硼酸为原料,熔盐炉为生长装置,电炉丝加热,熔体液面至坩埚底部熔体之间温度梯度0~1℃,籽晶转速20~30r/min,炉子上方保温盖呈梯形状,中间厚,两边薄,生长得到高品质晶体。
CN201911188403.2A 2019-11-28 2019-11-28 一种高质量lbo晶体生长方法 Pending CN110952142A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201911188403.2A CN110952142A (zh) 2019-11-28 2019-11-28 一种高质量lbo晶体生长方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201911188403.2A CN110952142A (zh) 2019-11-28 2019-11-28 一种高质量lbo晶体生长方法

Publications (1)

Publication Number Publication Date
CN110952142A true CN110952142A (zh) 2020-04-03

Family

ID=69978662

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201911188403.2A Pending CN110952142A (zh) 2019-11-28 2019-11-28 一种高质量lbo晶体生长方法

Country Status (1)

Country Link
CN (1) CN110952142A (zh)

Similar Documents

Publication Publication Date Title
CN101792926B (zh) 导模提拉法生长铽铝石榴石晶体的方法
CN101328612B (zh) In、Fe和Cu三掺杂铌酸锂晶体的制备方法
CN112410868A (zh) 一种高质量bibo晶体生长方法
CN103225108B (zh) 一种大尺寸bbo晶体快速生长的方法
CN102965723B (zh) 一种抑制bbo晶体径向过快生长的方法
CN103225107A (zh) 一种高质量bbo晶体快速生长的方法
CN110952142A (zh) 一种高质量lbo晶体生长方法
CN110886013A (zh) 一种高品质bbo晶体生长方法
CN106048712A (zh) 一种减少bbo晶体包络的生长工艺
CN102618935B (zh) 含易挥发组分多元化合物红外非线性单晶的退火方法
CN215103687U (zh) 一种生长bbo晶体用的伞状籽晶杆
CN107475771A (zh) 一种减少bbo晶体中间包络的方法
Tsai et al. Zone-levelling Czochralski growth of MgO-doped near-stoichiometric lithium niobate single crystals
JP2017105710A (ja) サファイア単結晶育成用ダイ及びダイパック、サファイア単結晶育成装置、サファイア単結晶の育成方法
CN102021641B (zh) 一种R2CaB10O19单晶的定向籽晶生长方法
CN111549374A (zh) 导模法生长(近)化学计量比钽酸锂(LiTaO3)晶体的方法
CN106958041B (zh) 一种xTeO2·P2O5(x=2,4)晶体的制备方法及制备装置
CN213266784U (zh) 一种减少bbo晶体中间包络的籽晶杆
CN103397384B (zh) 一种用于生长硼酸铯锂单晶的籽晶及其应用
CN109457298A (zh) 一种防止lbo晶体开裂的方法
CN109112626A (zh) 非线性光学晶体材料β-BaB2O4的生长方法
CN112391678B (zh) 一种大尺寸x面ktp晶体及其生长方法
CN213266790U (zh) 一种保证bibo晶体稳定生长的装置
CN110923812A (zh) 一种低温相偏硼酸钡晶体生长方法
CN110042463A (zh) 一种bbo晶体增厚的生长方法

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20200403