Calcite Crystals

Calcite Crystals' natural birefringence is utilized for polarizing optics like Glan-types and beamsplitters. Transparent VIS-NIR, used for polarization control in lasers, spectroscopy, interferometry, and optical instruments.

Classification:

Precision Optics

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Detailed introduction

Calcite Crystals are utilized in optical applications due to their significant natural birefringence. This property enables their use as the primary material for constructing various polarizing optics, including Glan-type polarizers and polarizing beamsplitters. The material offers transparency over a spectral range covering the visible to near-infrared wavelengths. Common applications involve the control and manipulation of light polarization states in laser systems, spectroscopy, interferometry, and optical instrumentation.

Optical Specifications
Size	1mm-40mm
Surface Quality	10-5
Optical Axis Orientation	6 arc min
Parallelism	<10 ace sec
Flatness	λ/4@633nm
Clear Aperture	>90%
Coating	AR coating
Mount	Upon Customer's Specification
Damage Threshold	1GW

Material Properties
Transparency Range	350~2300nm
Density	32.7 g/cm³
Hygroscopic Susceptibility	NA
Mohs Hardness	3
Thermal Expansion Coefficients（/℃）	24.39X10^-6（C ）
Thermal Expansion Coefficients（/℃）	5.68X10^-6 （A ）
Refractive Index	n_o= 1.66315，n_e= 1.48854，532nm
Refractive Index	n_o=1.64237，n_e=1.47968，1064nm
Sellmeier Equation (λ in μm)	n_o²=2.69705 + 0.0192064/(λ2-0.01820) - 0.0151624λ2
Sellmeier Equation (λ in μm)	n_e²=2.18438 + 0.0087309/(λ2-0.01018) - 0.0024411λ2