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Equipment goods
Calcite |
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Crystal Structure
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Crystalline rhombihedral
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Density
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2.7 g/cm3
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Mohs Hardness
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3
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Hygroscopic Susceptibility
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Low
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Transparency Range
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350nm ~ 2300nm
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Thermal Expansion Coefficients
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aa=24.39x10-6/K
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ac=5.68x10-6/K
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Crystal Class
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Negative uniaxial with no=na=nb, ne=nc
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Refractive Index
Birefringence (Δn=ne-no)
Walk-Off Angle at 45 deg(ρ)
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no=1.6557, ne=1.4852, Δn = -0.1705, ρ=6.32 @633nm
no=1.6381, ne=1.4783, Δn = -0.1598, ρ=6.20 @1300nm
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Sellmeier Equations (λ in um)
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no2=2.69705+0.0192064/( λ2-0.01820)-0.0151624λ2
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ne2=2.18438+0.0087309/( λ2-0.01018)-0.0024411λ2
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Dimension Tolerance
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±0.1mm
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Optical Axis Orientation
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±0.5deg
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Wavefront Distortion
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<λ/2@633nm</div>
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Surface Flatness
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<λ/4@633nm</div>
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Surface Quality
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20/10 Scratch and Dig
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Parallelism
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<15 arc seconds</div>
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Perpendicularity
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<10 arc minutes </div>
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Clear Aperture
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>90%
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AR-Coating
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Upon Request
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Good deal: buying from seller
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This page is about importers and exporters of Calcite Search in a category : Equipment goods Search in a category : calcite |
Friday, December 16, 2016
Quantity : 30 - Price : USD$168
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Saturday, July 09, 2022
Quantity : 30000TONS - Price : 1-20USD/KG
In recent years, with the rapid development of die and mould industry, graphite materials, new processes and increasing die and mould factories are constantly impacting the die and mould market. Graphite for mold making has gradually become the preferred material for die and mould...