Acylindrical Lens

Specifications

Substrate: N-BK7, Fused Silica (FS), UV Grade Fused Silica (UVFS), CaF2, ZnSe, Ge, N-SF5, H-LAK54, H-ZLaF52, H-ZLaF5B, S-NPH1, D-LaK6, Not Specified, Other
Diameter: 3 – 500 mm
Wavelength Range: 450 – 1550 nm
Wavefront Error: 500 nm
Numerical Apertures: 0.45-0.50
Optical Coating A: 350 - 700 nm
Optical Coating B: 650 - 1050 nm
Design Wavelength: 780 nm
RMS Wavefront Error: < 0.5 µm
Surface Quality: 60-40 or better
Lens Material: S-LAH64
Index Of Refraction At 780 Nm: 1.777
Abbe Number: 47.3
Focal Length Tolerance: <1%
Average Reflectance: <0.5%
Central Peak Reflectance: <0.25%
Angles Of Incidence: 0° to 30° (0.5 NA)
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Features


  • Aberration-Reducing Acylindrical Surface: These cylindrical lenses feature an acylindrical surface that combines the benefits of aspheric lenses with one-dimensional focusing, minimizing aberrations.

  • Numerical Apertures: Available in a range of 0.45 to 0.50, suitable for various optical applications.

  • High-Quality Fabrication: Made from S-LAH64 optical glass, known for its low dispersion and high index of refraction, limiting chromatic aberration.

  • Design Wavelength: Optimized for 780 nm.

  • RMS Wavefront Error: Less than 0.5 µm, ensuring high precision.

  • Surface Quality: 60-40 or better, providing excellent optical performance.

  • Index of Refraction: 1.777 at 780 nm.

  • Abbe Number: 47.3, indicating low dispersion.

  • Focal Length Tolerance: Less than 1%, ensuring precise focusing.

  • Multilayer AR Coatings: High-performance coatings with average reflectance of less than 0.5% per surface and central peak reflectance of less than 0.25%, suitable for angles of incidence between 0° and 30°.

Applications


  • Anamorphic Beam Shaping: Use a pair of cylindrical lenses to reshape a beam's dimensions.

  • Laser Diode Collimation and Circularization: A pair of positive cylindrical lenses can be used to collimate and circularize the output of a laser diode.

  • Focusing Diverging Beams: Employ a single lens to focus a diverging beam onto a detector array.