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China Calcium Fluoride Materials Crystal Materials CaF2 Optical Components

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Min. Order / Reference FOB Price
1 Piece	US $100.00/ Piece

Local Area:	Qinhuangdao, Hebei, China
R&D Capacity:	OEM, ODM, Other
Payment Terms:	LC, T/T, D/P, PayPal, WesternUnion, Small-amountpayment

Usage:	Optical
Type:	Optical Materials
Transmittance:	>95%

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Product Description

Crystal for infrared use is often grown using naturally mined fluorite to reduce costs. It will not have the best transmission in the UCalcium Fluoride (CaF2)

base PROPERTIESPARAMETERVALUEOPTICALTransmission Range0.13 to 10 micronsRefractive Index1.39908 at 5 micronsReflection Loss5.4% at 5 microns (2 surfaces)Restrahlen Peak35 micronsdN/dT-10.6 x 10-6e/°CPHYSICALDensity3.18 g/cm3Melting Point1360 °CThermal Conductivity9.71 W/(m*K)Thermal Expansion18.85 x 10-6e/°CHardnessKnoop 158.3 kg/mm2 (100)Specific Heat Capacity854J/(kg K)Dielectric Constant6.76 at 1MHzYoung's Modulus (E)75.8 GPaShear Modulus (G)33.77 GPaBulk Modulus (K)82.71 GPaElastic CoefficientsC11=164 MPa, C12=53 MPa, C44=33.7 MPaApparent Elastic Limit36.54 MPaPoisson Ratio0.26CHEMICALSolubility0.0017g/100g water at 20 °CMolecular Weight78.08Class/StructureCubic (111) cleavage

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3
00nm due toCalcium Fluoride Applications

Hellma Materials CaF2 is the foremost optical material encompassing a broad spectrum of applications:

IR opticsOptics for astronomical instrumentationMicroscope opticsSpectroscopy opticsUV opticsLaser windowsExcimer Laser OpticsMicrolithography Optics

impurities.
Crystal for infrared use is often grown using naturally mined fluorite to reduce costs. It will not have the best transmission in the UV or VUV and can have absorption bands at 300nm due to impurities.