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Product Name: |
CaF2 Optical Crystals
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CaF2 Optical Crystals,Optical Crystals |
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CaF2 optical crystalsCalcium Fluoride (CaF2 or Fluorite) crystals are tran***rent in wide spectrum band. The product finds use in windows,Website:http://www.meta-laser.com, lenses operating in UV and IR spectrum band. Laser Use: Calcium Fluoride is also used as a host lattice for laser crystals. Due to its composition, CaF2 has a much longer useful life than most materials when used in fluorine environment.Features:Highest broadband transmittance from deep UV to IR (130 nm up to 8 microns)Low refractive index (nd= 1.43384)Low dispersion (vd= 95.23)Maximum laser durability in Excimer Laser optics (157nm, 193nm, 248 nm)Applications:IR opticsOptics for astronomical instrumentationMicroscope opticsSpectroscopy opticsUV opticsLaser windowsExcimer Laser OpticsMicrolithography OpticsSpecificationCalcium fluoride crystal provides great transmission from the UV to the IR (0.13-11µm). Sythetic CaF2 is used to improve deep UV transmission and to increase the damage threshold. Calcium Fluoride (CaF2) is available doped with Europium as a gamma-ray scintillator.Physical PropertiesCrystal typecubicLattice constant, Ã…a=5.462Density, g/cm33.18Melting point,â„?360Refractive index @ 1.0μmn=1.4289Transmission range, μm0.13-10Specifications for CaF2 windowsSpectal rangeUV, VIS, IRSurface quality40-20 S & DClear aperture90% of the diameterdiameter tolerance+0, -0.1 mmThickness tolerance±0.1parallelism<3 arcminSurface flatnessλ/4 @ 633 nmPolishing Specification for Optical Gradeâ… Orientation Tolerence< 1°Thickness/Diameter Tolerance±0.10 mmSurface Flatness<(λ-2λ)@632nmWavefront Distortion<(2-4)λ@632nmSurface Quality80/50Parallel10ËŠPerpendicular60ËŠClear Aperture>90%Chammfer<0.2×45°Polishing Specification for Optical Grade â…¡Orientation Tolerence< 0.5°Thickness/Diameter Tolerance±0.10 mmSurface Flatness<(λ/2-λ/4)@632nmWavefront Distortion<(1-2)λ@632nmSurface Quality60/40Parallel1ËŠPerpendicular30ËŠClear Aperture>90%Chammfer<0.2×45°Polishing Specification for Optical Grade â…¢Orientation Tolerence< 0.2°Thickness/ |
Company: |
MetaLaser INC.
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Contact: |
Ms. Jackie Dong |
Address: |
Hengda road Nanjing economic and technological development zone, 3rd A03 |
Postcode: |
210038 |
Tel: |
86-021-69910952 |
Fax: |
86-021-69913608 |
E-mail: |
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