• Made of N-BK7 Glass
• Collimates & Circularizes the Output of a Laser Diode
• AR Coated Wavelength Range: 350 - 700 nm
• Focal Length Tolerance is ± 1%

This positive cylindrical lens is ideal for applications requiring magnification in one dimension. While the spherical lens acts symmetrically in two dimensions on an incident ray, cylindrical lens acts in the same manner but only in one dimension. A typical application is to use a pair of cylindrical lenses to provide anamorphic shaping of a beam. A pair of positive cylindrical lenses can be used to collimate and circularize the output of a laser diode. Another application possibility would be to use a single lens to focus a diverging beam on to a detector array. To minimize the introduction of spherical aberrations, collimated light should be incident on the curved surface when focusing it to a line, and light from a line source should be incident on the plano surface when collimating.

• Substrate Material: N-BK7
• Broadband AR Coating: 350 - 700 nm
• Design Wavelength: 587.6 nm
• Length Tolerance: +0.00 / -0.10 mm
• Height Tolerance: +0.00 / -0.10 mm
• Center Thickness Tolerance: ±0.2 mm
• Focal Length Tolerance: ±1%
• Surface Quality: 60-40 Scratch-Dig
• Centration: for f =50 mm: =5 arcmin; for f >50 mm: = arcmin
• Surface Flatness (Plano Side):
• Height: ?/2
• Length: ?/2
• Cylindrical Surface Power (Convex Side):
• Height: 3?/2
• Length: 3?/2
• Irregularity Height (Plano, Curved):
• Height: ?/4, 7?
• Length: ?/4, ?/cm
• Clear Aperture: >90% of Surface Dimensions
• f: 70 mm
• H: 30 mm
• L: 32 mm
• R: 36.2 mm
• t_c: 5.3 mm
• t_e: 2 mm
• f_b: 66.5 mm