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Calcium Fluoride Plano-Concave Optical Lens
This High Precision Calcium Fluoride Plano-Concave Optical Lens is made from high-purity CaF₂ material, offering excellent transmission and minimal absorption, ideal for high-precision optical systems from UV to IR wavelengths.
Material :
Calcium Fluoride (CaF₂)Design wavelength :
587.6nmFocal Length Tolerance :
±1%Dimension Tolerance :
+0.0/-0.1mmThickness Tolerance :
±0.1 mmSurface Accuracy :
λ/4@632.8nmSurface Quality :
40-20Centration :
<3'
Product Description
The Calcium Fluoride (CaF₂) Plano-Concave Lens is designed for use in optical systems operating from the ultraviolet to the infrared spectrum. Thanks to its exceptional transmission, low refractive index, and excellent thermal stability, it is widely applied in laser divergence control, infrared imaging, and spectroscopic analysis.
The plano-concave configuration enables precise beam expansion and divergence, while the high-purity CaF₂ substrate ensures low absorption and high damage threshold. With precision polishing and surface quality, this lens minimizes optical aberrations and scattering, providing superior clarity and performance even in demanding optical environments.
Performance Advantages
Broad Spectral Transmission: Covers 180 nm to 8 μm, ideal for UV, visible, and IR optical systems.
Low Absorption and Dispersion: Delivers clear imaging with minimal chromatic aberration.
High Thermal Stability: Operates reliably under high temperature or vacuum conditions.
Excellent Chemical Resistance: Resists moisture and chemical corrosion for industrial durability.
Customizable Options: Available in various sizes, focal lengths, and coatings per customer requirements.
Application Range
Laser beam divergence and expansion control
Spectroscopic analysis instruments
Infrared thermal imaging systems
Ultraviolet detection equipment
Precision optical experiments
Astronomical and aerospace optical systems
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