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-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
