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Singlet Lenses
Type: Piano-Convex, Double-Convex, Piano-Concave, Double-Concave, Meniscus
Specifications:
Material: BK7 grade A optical glass,Fused Silica, Grade A,CaF2, YAG, Sapphire, ZnSe, ZnS, Si, Ge, etc.Dimension Tolerance: +0/-0.1mmCenter Thickness: ± 0.2mmFocal Length Tolerance: ±1%Surface Quality: 60-40 up to 10-5Surface Figure: up to l/10@ 633nmClear Aperture: >90%Centration:< 5 arc minutes for f < 50mm< 3 arc minutes for f > 50mmBevel: 0.25mm x 45oMaterial can be design by OEM customer
Micro lenses less than 2.0mm in diameter
Large lenses more than 200mm in diameter
Special optical parameter can be required by customer
BBAR coating is available required
High reflectivity coating for laser cavity application
Singlet Lenses