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Lenses

Cylindrical lenses


Cylindrical lenses used to provide focusing power in one sectiononly. For illumination or detection of light from line sources. Also used to anamorphic compression of beams and images.                

Especially widely used to anamorphic compression of LD (laser diode) output beam.          



Plano-Convex Cylindrical Lenses         


Specifications      
Material: BK7 or Fused silica    
Design Wavelength: 632.8 nm,     
Design Index: n=1.5147 (BK7)         
n=1.45702 (Fused siclica)    
Surface Figure: x: λ/2; y: 2λ    
Dimension Tolerance: ±0.2mm    
Paraxial Focal Length: ± 2%    
Centration: 3 arc minutes    
Clear Aperture: >80%     
Surface Quality: 60-40 scratch and dig    
Protective Bevel     


Plano-Concave Cylindrical Lenses     

Specifications    
Material: BK7 or Fused silica    
Design Wavelength: 632.8 nm,    
Design Index: n=1.5147 (BK7)    
                          n=1.45702 (Fused siclica)
Surface Figure: x: λ/2; y: 2λ    
Dimension Tolerance: ±0.2mm   
Paraxial Focal Length: ± 2%   
Centration: 3 arc minutes      
Clear Aperture: >80%    
Surface Quality: 60-40 scratch and dig   
Protective Bevel   

  

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