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    About 85 results (0.19s) 
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    AI Overview
    Alpha-BBO (
    αalpha
    𝛼
    -BaB
    2sub 2
    2
    O
    4sub 4
    4
    ) is a high-temperature, negative uniaxial birefringent crystal characterized by a wide transparency range (189 nm to 3500 nm), high chemical stability, low hygroscopicity, and strong birefringence (0.122 @ 546 nm). It is widely used in high-power UV-IR laser applications, such as beam displacers, polarizers, and time delay compensators, due to its high damage threshold and thermal stability. 
    Key Characteristics and High Damage Threshold 
    • Damage Threshold:
      αalpha
      𝛼
      -BBO features high power handling, often cited around 3 GW/cm² @ 1064nm, 10ns.
    • Transparency: Extends from UV (189 nm) to infrared (3500 nm), suitable for high-power UV beam splitters and polarizers.
    • Birefringence: Large birefringence
      Δ𝑛
      =𝑛𝑒
      −𝑛𝑜
       (e.g., ~0.122 at 546 nm) is effective for beam splitting and polarization applications.
    • Physical Stability: Low hygroscopicity allows for easy handling and polishing compared to other birefringent materials. 
    Common Applications 
    • High-power polarizer components (e.g., Glan-Taylor).
    • Polarization beam displacers.
    • Time delay compensators.
    • High-temperature, high-UV transmittance optics. 
    Typical Specifications 
    • Crystal Growth: Czochralski method for large-sized, high-quality crystal production.
    • Dimensions: Available in various sizes, typically 5x5 mm to 10x10 mm, with thicknesses down to 0.05 mm.
    • Surface Quality: Often polished to 10-5 Scratch-Dig, with coating options such as AR for 750-850 nm / 375-425 nm. 
    • Alpha Barium Borate Crystals (α-BBO) - G&H photonics
      Product description. Unlike its nonlinear counterpart β-BBO, α-BBO is not phase-matchable for frequency conversion but offers exce...
      G&H photonics
    • a-BBO Crystal-Birefringent Crystals-Crysmit Photonics CO.,Ltd
      Optical Crystals. a-BBO Crystal Calcite Crystal YVO4 Crystal Quartz Crystal. Precision Optics. Polarizing Optics. Optical Systems.
      CRYSMIT OPTICS
    • α-BBO Crystal
      Alpha-BBO (Barium Borate, BaB2O4) is a high temperature phase crystal. It has the following features: * **Density** 3.85 g/cm^3 * ...
      OptoCity
    • Alpha-BBO and Beta-BBO Crystals - Technical Articles
      In conclusion, while both α-BBO and β-BBO crystals have their unique strengths, their selection depends primarily on specific appl...
      Dayoptics
    • Alpha-BBO Crystals - Shalom EO
      Our alpha bbo birefringent crystals feature high optical transparency spanning the UV to IR spectrum, surpassing optical homogenei...
      Shalom EO
    • α-BBO Crystal-BaB2O4|Fuzhou Hundreds Optics Inc. - 100optics
      Physical Properties: ; Damage Threshold, 1 GW/cm2 at 1064nm；500 MW/com2 at 532nm. Hygroscopic Susceptibility, Low. Thermal Expansi...
      100optics
    • α-BBO-like π-Conjugated Crystal with Large Birefringence
      Feb 13, 2023 — Synopsis. A new α-BBO-like π-conjugated birefringent crystal, K2HC3N3S3·1.5H2O, was successfully synthesized. It exhibits a large ...
      ACS Publications
    • α-BBO
      * Calcite. Calcite. Calcite is a carbonate mineral and the most stable polymorph of calcium carbonate (CaCO3). It's a negative uni...
      Laserstates
    • BBO Crystal & its Applications - Optocity
      Mar 10, 2026 — General specifications of BBO Crystal * Dimension Tolerance: +0/-0.1mm(WxH), +/-0.1mm thickness. * Surface Quality: 10-5 Scratch-d...
      Optocity
    • Alpha Barium Borate Crystals (α-BBO) - G&H photonics
      Product description. Unlike its nonlinear counterpart β-BBO, α-BBO is not phase-matchable for frequency conversion but offers exce...
      G&H photonics
    • a-BBO Crystal-Birefringent Crystals-Crysmit Photonics CO.,Ltd
      Optical Crystals. a-BBO Crystal Calcite Crystal YVO4 Crystal Quartz Crystal. Precision Optics. Polarizing Optics. Optical Systems.
      CRYSMIT OPTICS
    • α-BBO Crystal
      Alpha-BBO (Barium Borate, BaB2O4) is a high temperature phase crystal. It has the following features: * **Density** 3.85 g/cm^3 * ...
      OptoCity
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    Web results

    a-BBO for high damage threshold beam displacer


    HG Optronics.,INC.
    https://www.hgoptronics.com › a-bbo-for-high-damage...
    HG Optronics.,INC.
    https://www.hgoptronics.com › a-bbo-for-high-damage...
    α-BBO (α-BaB2O4) is a negative uniaxial crystal which has large birefringence over a broad transparent range of 190nm to 3500nm. α-BBO is an excellent ...Read more

    alpha-BBO Crystals


    Newlight Photonics Inc.
    https://www.newlightphotonics.com › Birefringent-Crystals
    Newlight Photonics Inc.
    https://www.newlightphotonics.com › Birefringent-Crystals
    Damage Threshold (10 ns, 10 Hz) 1 GW/cm2 @ 1064 nm, 500 MW/cm2 @ 532 nm. Optical Homogeneity: Δn < 10-6/cm. Mohs Hardness: 4.5. Thermal Expansion CoefficientsRead more

    α-BBO


    Laserstates
    https://laserstates.com › a-BBO
    Laserstates
    https://laserstates.com › a-BBO
    α-BBO Crystal (BaB2O4) is one of the excellent birefringent crystals. It is characterized by large birefringent coefficient and wide transmission window.Read more

    Alpha-BBO and Beta-BBO Crystals - Technical Articles


    Dayoptics
    http://en.dayoptics.com › mobile › Technical-Articles
    Dayoptics
    http://en.dayoptics.com › mobile › Technical-Articles
    On the other hand, α-BBO is preferable in situations requiring high thermal stability and high-power laser operation, attributable to its high damage threshold ...Read more

    α-BBO Crystal-BaB2O4|Fuzhou Hundreds Optics Inc.


    100optics
    https://www.100optics.com › a-BBO-Crystal
    100optics
    https://www.100optics.com › a-BBO-Crystal
    Physical Properties: ; Damage Threshold, 1 GW/cm2 at 1064nm；500 MW/com2 at 532nm ; Hygroscopic Susceptibility, Low ; Thermal Expansion Coefficients (25℃-900℃), aa= ...Read more

    Alpha-BBO Crystals


    Shalom EO
    https://www.shalomeo.com › product-221
    Shalom EO
    https://www.shalomeo.com › product-221
    High UV transmittance and Large birefringence · High damage threshold · Stable physical and mechanical properties · Low hygroscopic susceptibility · Crystal ingots, ...Read more

    a-BBO Crystal


    CRYSMIT OPTICS
    https://crysmit.com › a-BBO-Crystal
    CRYSMIT OPTICS
    https://crysmit.com › a-BBO-Crystal
    High power Beam displacers for isolators. High power Polarizer. Time delay compensators. High UV transmittance. Large birefringence. High damage threshold.Read more

    α-BBO-like π-Conjugated Crystal with Large Birefringence


    ACS Publications
    https://pubs.acs.org › doi
    ACS Publications
    https://pubs.acs.org › doi
    Feb 13, 2023 — Birefringent crystals are in great demand for high performance polarizing devices. Designing new birefringent ... damage threshold (LDT) ...Read more

    α-BBO Las e r C ry s ta ls B ire fringe ...


    АО «ЛЛС
    https://lenlasers.ru › upload › iblock › bea › BB...
    АО «ЛЛС
    https://lenlasers.ru › upload › iblock › bea › BB...
    PDF
    α-BBO is an excellent crystal especially in UV and high power applications. The ... High UV transmittance；. • Large birefringence；. • High damage threshold；.Read more

    Birefringence and absorption coefficients of alpha barium ...


    AIP Publishing
    https://pubs.aip.org › aip › jap › article › Birefringence-...
    AIP Publishing
    https://pubs.aip.org › aip › jap › article › Birefringence-...
    Jul 23, 2009 — Relatively large birefringence, low absorption, and high damage threshold make the α -BBO crystal an excellent candidate for use as ...Read more
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