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Calcium Fluoride Plano Convex Lenses

SLCFU

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Calcium Fluoride Plano Convex Lenses
In stock
SKU
SLCFU
Calcium fluoride (CaF2) is a crystal which has excellent transmission characteristics in a wide wavelength range from ultraviolet (200nm) to near-infrared (8μm).
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Guide

  • It is available with an AR coating to reduce the transmission loss at the requested wavelength.
  • It is also available for products with different size and focal lengths that are not listed in on the website or in the catalog.

Name Diameter Focal length Delivery Price Add to cart
i
12.7mm Calcium Fluoride Plano Convex Lens, 50mm Focal Length
SLCFU-12.7-50N 		12.7mm 50mm
6-12 weeks
$249.00
Material Optical CaF2 Crystal
Design Wavelength 5μm
Coating Uncoated
Surface reflectance 3% (per one surface)
Shape Type Plano-convex spheric (Polished surface on both sides)
Centration ＜3′
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 40-20
Diameter φ12.7mm
Focal length f 50mm
Back focal length fb mm
Edge thickness te mm
Center thickness tc mm
i
25.4mm Calcium Fluoride Plano Convex Lens, 125mm Focal Length
SLCFU-25.4-125P 		25.4mm 125mm
6-12 weeks
$327.00
Material Optical CaF2 Crystal
Design Wavelength 5μm
Coating Uncoated
Surface reflectance 3% (per one surface)
Shape Type Plano-convex spheric (Polished surface on both sides)
Centration ＜3′
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 60-40
Diameter φ25.4mm
Focal length f 125mm
Back focal length fb mm
Edge thickness te mm
Center thickness tc mm
i
25.4mm Calcium Fluoride Plano Convex Lens, 50mm Focal Length
SLCFU-25.4-50P 		25.4mm 50mm
6-12 weeks
$387.00
Material Optical CaF2 Crystal
Design Wavelength 5μm
Coating Uncoated
Surface reflectance 3% (per one surface)
Shape Type Plano-convex spheric (Polished surface on both sides)
Centration ＜3′
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 60-40
Diameter φ25.4mm
Focal length f 50mm
Back focal length fb mm
Edge thickness te mm
Center thickness tc mm
i
12.7mm Calcium Fluoride Plano Convex Lens, 25mm Focal Length
SLCFU-12.7-25N 		12.7mm 25mm
6-12 weeks
$249.00
Material Optical CaF2 Crystal
Design Wavelength 5μm
Coating Uncoated
Surface reflectance 3% (per one surface)
Shape Type Plano-convex spheric (Polished surface on both sides)
Centration ＜3′
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 40-20
Diameter φ12.7mm
Focal length f 25mm
Back focal length fb mm
Edge thickness te mm
Center thickness tc mm
i
25.4mm Calcium Fluoride Plano Convex Lens, 75mm Focal Length
SLCFU-25.4-75P 		25.4mm 75mm
6-12 weeks
$352.00
Material Optical CaF2 Crystal
Design Wavelength 5μm
Coating Uncoated
Surface reflectance 3% (per one surface)
Shape Type Plano-convex spheric (Polished surface on both sides)
Centration ＜3′
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 60-40
Diameter φ25.4mm
Focal length f 75mm
Back focal length fb mm
Edge thickness te mm
Center thickness tc mm
i
25.4mm Calcium Fluoride Plano Convex Lens, 100mm Focal Length
SLCFU-25.4-100P 		25.4mm 100mm
6-12 weeks
$327.00
Material Optical CaF2 Crystal
Design Wavelength 5μm
Coating Uncoated
Surface reflectance 3% (per one surface)
Shape Type Plano-convex spheric (Polished surface on both sides)
Centration ＜3′
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 60-40
Diameter φ25.4mm
Focal length f 100mm
Back focal length fb mm
Edge thickness te mm
Center thickness tc mm
i
12.7mm Calcium Fluoride Plano Convex Lens, 20mm Focal Length
SLCFU-12.7-20N 		12.7mm 20mm
6-12 weeks
$249.00
Material Optical CaF2 Crystal
Design Wavelength 5μm
Coating Uncoated
Surface reflectance 3% (per one surface)
Shape Type Plano-convex spheric (Polished surface on both sides)
Centration ＜3′
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 40-20
Diameter φ12.7mm
Focal length f 20mm
Back focal length fb mm
Edge thickness te mm
Center thickness tc mm
i
25.4mm Calcium Fluoride Plano Convex Lens, 40mm Focal Length
SLCFU-25.4-40P 		25.4mm 40mm
6-12 weeks
$400.00
Material Optical CaF2 Crystal
Design Wavelength 5μm
Coating Uncoated
Surface reflectance 3% (per one surface)
Shape Type Plano-convex spheric (Polished surface on both sides)
Centration ＜3′
Clear aperture 90% of the diameter
Surface Quality (Scratch-Dig) 60-40
Diameter φ25.4mm
Focal length f 40mm
Back focal length fb mm
Edge thickness te mm
Center thickness tc mm

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◦Impurities and crystal defects were reduced, and the transmission characteristics in the ultraviolet region were increased. CaF2 is used for the range from the ultraviolet to the infrared.
◦When compared with other crystals, CaF2 has high durability to moisture, and it can be treated the same as the general optical elements.
◦Since CaF2 is isotropic crystal, birefringence (polarization characteristics) does not occur.