Deep Ultraviolet Calcium Fluoride-B (DUV Caf2)

DUV Calcium Fluoride-B

Deep ultraviolet calcium fluoride crystal B-grade crystal is a type of crystal with good transmittance in the wide wavelength spectrum range of vacuum ultraviolet (130nm-200nm). It has characteristics such as high transmittance, high stability, high heat resistance, and high chemical stability. It has high transparency in optics and can be used as optical components such as windows and lenses. The peak values of its visible light response are at 505nm and 680nm, which are 22% and 70% respectively. The wavelength positioning is also very accurate, with a confidence level of about ± 0.2nm. In addition, it also has good UV resistance characteristics. It can process shapes such as circular, rectangular, perforated, crescent, wedge-shaped, flat convex, flat concave, double convex, double concave, open ball, and prismatic.

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	Dia(mm)	ThK(mm)	Structure	Orientation
	Screen Reset 3-420 3-200	Screen Reset 0.5-60	Screen Reset Polycrystalline Monocrystalline	Screen Reset None <100> <110> <111>
More+ Less	3-420	0.5-60	Polycrystalline	None
DUV Calcium Fluoride-B，3-420mm，Polycrystalline Number：CaF2F004 Dia(mm)：3-420 ThK(mm)：0.5-60 Structure：Polycrystalline Orientation：None Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Calcium Fluorid（CaF2） Transmission Range：0.13-10μm Density(g/cm³)：3.18 REACH：Compliant ROHS：Compliant
More+ Less	3-200	0.5-60	Monocrystalline	<100>
DUV Calcium Fluoride-B，3-200mm，Monocrystalline<100> Number：CaF2F003 Dia(mm)：3-200 ThK(mm)：0.5-60 Structure：Monocrystalline Orientation：<100> Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Calcium Fluorid（CaF2） Transmission Range：0.13-10μm Density(g/cm³)：3.18 REACH：Compliant ROHS：Compliant
More+ Less	3-200	0.5-60	Monocrystalline	<110>
DUV Calcium Fluoride-B，3-200mm，Monocrystalline<110> Number：CaF2F002 Dia(mm)：3-200 ThK(mm)：0.5-60 Structure：Monocrystalline Orientation：<110> Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Calcium Fluorid（CaF2） Transmission Range：0.13-10μm Density(g/cm³)：3.18 REACH：Compliant ROHS：Compliant
More+ Less	3-200	0.5-60	Monocrystalline	<111>
DUV Calcium Fluoride-B，3-200mm，Monocrystalline<111> Number：CaF2F001 Dia(mm)：3-200 ThK(mm)：0.5-60 Structure：Monocrystalline Orientation：<111> Shape：Customizable Diameter Tolerance(mm)：+0.0/-0.1 Thk Tolerance(mm)：±0.1 Material：Calcium Fluorid（CaF2） Transmission Range：0.13-10μm Density(g/cm³)：3.18 REACH：Compliant ROHS：Compliant

Material Data
Optical Properties
Transmission Range	0.13-10μm
Transmittance	>94%@193nm-7.87μm
Refractive Index	1.4288@2.5μm 1.39908@5μm
Reflection Loss	5.4%@5μm(both surfaces)
Absorption Coefficienet	7.8×10-4@2.7μm
Structure	Cubic Crystal System
Cleavage Planes	<111>
Physical Properties
Density [g/cm3]	3.18
Melting Point [℃]	1420
Thermal Conductivity [W/(m×K)]	9.71 @ 293K
Thermal Expansion [10-6/K]	18.5 @ 273K
Knoop Hardness [kg/mm2]	158.3
Specific Heat Capacity [J/(kg×K)]	854
Dielectric Constant	6.76 @ 1 MHz
Young's Modulus (E) [GPa]	75.8
Shear Modulus(G) [GPa]	33.77
Bulk Modulus(K) [GPa]	82.71
Poisson Coefficient	0.26
Chemical Properties
Solubility / g/L	0.016g @ 20℃
Molecular Weight / g/mol	78.0748

DUV Calcium Fluoride-B

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