In order to achieve the required form and surface finish, the conventional method of grinding and polishing that has been used for spherical optics employs glass and crystalline materials.
Ideally, aspheric optics are also manufactured in a similar way, but need CNC technology to be efficient in throughput and quality. The Form Talysurf PGI Aspherics Measurement System from Taylor Hobson is compatible with modern-day CNC grinding and polishing machines offered by major suppliers such as Optotech, Schneider/QED, and LoH.
The Form Talysurf provides measurement feedback, which allows manufacturers in optimization of the form of ground and polished aspheres, thus delivering accuracies at the scale of 1/10.
Software for Aspherics Analysis
Taylor Hobson's excellent algorithm capability allows detailed analysis of aspheric optics. PGI Aspherics Systems are supplied with Surface Finish Parameters, Form Error, SAG Tables, Radius Optimisation, and Astigmatism Analysis features. An excellent Derived Coefficients module, which allows the direct calculation of aspheric data from the component, is also available with the software.
Taylor Hobson is an ultra-precision technology company operating at the highest levels of accuracy within the field of surface and form metrology. They provide contact and non-contact measurement solutions to the most demanding applications on a global basis, with a worldwide infrastructure to support our clients, wherever they may be.
This information has been sourced, reviewed and adapted from materials provided by Taylor Hobson.
For more information on this source, please visit Taylor Hobson.