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Location: Main > Optical Lenses > Spherical Plano Concave Lenses > POLIR-CF-PCV-230.4-0100-U
Name: DIA10.0mm CaF2 Plano-Concave Lens(f-230.4mm)
P/N: POLIR-CF-PCV-230.4-0100-U
Keywords:Dia10.0xTe2mm,CaF2,PCV,f-230.4mm,ROC-100mm
Unit Price: S$125.00/pc
Available: In stock
Request: Add to Request List
Introduction:
• Vacuum-Grade Calcium Fluoride Substrate
• Dia 5mm - 1000mm Versions Available
• Broadband AR Coating upon request
• Focal Lengths from -5 to -1,000mm
Calcium Fluoride (CaF2) Plano-Concave Lenses offer high transmission from 180 - 8,000nm.
CaF2 is commonly used for applications requiring high transmission in the infrared and ultraviolet spectral ranges. The material exhibits a low refractive index, varying from 1.35 to 1.51 within its usage range of 180 nm to 8,000nm. Calcium fluoride is also fairly chemically inert and offers superior hardness compared to its barium fluoride, magnesium fluoride, and lithium fluoride cousins.
Like all plano-concave lenses, these lenses have negative focal lengths and can be used to diverge collimated beams; in this case, the curved surface should face the source in order to minimize spherical aberration. In addition, they can be employed to offset the effects of spherical aberration caused by other lenses in an optical system.

Substrate Material:
Calcium Fluoride (CaF2)
Wavelength Range:
180~8,000nm
Outer Diameter:
10.0,-0.1/+0mm
Effective Focal Length(EFL):
-230.4mm (+/-1%) designed @ 588nm
Radius of S1(Concave):
ROC: - 100mm
Radius of S2(Plano):
Plano(flat)
Center Thickness(CT):
-
Edge Thickness(ET):
2.00,+/-0.05mm
Clear Aperture:
>90% of surface
Scratch/Dig:
40/20 (both surfaces)
Surface Figure:
<lambda/4 @ 633nm over clear aperture (both surfaces)
Centration:
<3 arc minutes
Edge Surface:
Ground; with protection chamfer of 0.2mmx45deg
Chip:
<0.2mm
Surface Coating:
Uncoated (both surfaces)

 
 
 
 
 
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