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25.4mm Diameter (AR) Coated CaF2 Optical Biconcave Lens

China 25.4mm Diameter (AR) Coated CaF2 Optical Biconcave Lens, Find details about China Optical Lens, Biconcave Lens from 25.4mm Diameter (AR) Coated CaF2 Optical Biconcave Lens

Certification
RoHS, ISO9001, CE, TUV
Customized
Customized
Coating
Anti-Reflection
Trademark
CPG
Transport Package
Carton, Blister, Customized
Specification
as required
Origin
China
HS Code
9001909090
Certification
RoHS, ISO9001, CE, TUV
Customized
Customized
Coating
Anti-Reflection
Trademark
CPG
Transport Package
Carton, Blister, Customized
Specification
as required
Origin
China
HS Code
9001909090
Dia25.4mm AR Coated CaF2 Biconcave Lens
 
Specifications:
 
 Items Description 
Biconcave LensMaterial:CaF2,monocrystal
Diameter:25.4+0.0/-0.1mm
Center thickness:2.0+/-0.1mm
Focal length:-50mm+/-3%@632.8nm
ROC1:22.85mm,CC
ROC2:22.85mm,CC
Flatness:S1&S2:PV<1/4L@632nm
Surface quality:S1&S2:40-20
Centerness:<3arcmin
Clear aperture:>90%
Chamfer:<0.25mmx45deg
Coating:S1&S2:AR coating,Rabs<0.5%@700-900nm,AOI:0deg
 LIDT:>2.5J/cm2,20ns,10Hz@800nm
Standard:MIL-PRF-13830B
 
 Control  code Control items Inspection instrument/method 
 CPG  Diameter:Mitutoyo Vernier caliper
Surface Quality:Naked eye test& 15W LED cold light
Flatness:ZYGO interferometer
Centerness:TRIOPTICS center instrument or CPG customized instrument
Chamfer:   Magnifier X6& naked eye test
Coating:Agilent Cary 7000
25.4mm Diameter (AR) Coated CaF2 Optical Biconcave Lens

 

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