Cylindrical Lens
Application Notes
- The lenses are used in applications requiring magnifications in one dimensions only, such as in transforming a point image into a line image, or changing the height of an image without changing its with.
- It finds its application in focusing a line on a slit or converging light for a line scan detector, or used as laser line generator.
- The cylindrical lenses are made with a rectangular aperture, but may be rounded to give a circular aperture, for the ease of mounting and changing the orientation.
Specification
- Material : BK7 or Fused Silica
- Focal Length : Upto 200 mm
- Focal length tolerance : + 2%
- Wedge : less than 10 arc min.
- Pitch polished
- Surface quality : 60-40 scratch dig
- Maximum rectangular aperture : 50 mm x 25 mm