Singlet Lenses
Type: Plano-Convex, Double-Convex, Plano-Concave, Double-Concave, Meniscus

Specifications:
Material: BK7 grade A optical glass
Material: Fused Silica, grade A
Material: CaF₂, YAG, Sapphire, ZnSe, ZnS, Si, Ge...

 

Dimension Tolerance: +0/-0.1mm Center Thickness: ± 0.2mm Focal Length Tolerance: ± 1% Surface Quality: 60-40 up to 10-5 Surface Figure: up to λ /10 @ 633nm Clear Aperture: > 90% Centration: space < 5 arc minutes for f ≤ 0mm space < 3 arc minutes for f > 0mm Bevel: 0.25mm x 45 degree

 

 

 

 

 

 

 

• Material can be designed by OEM customers or Sinoceramics
• 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 when required
• High reflectivity coating for laser cavity application