Taylor Hobson Ltd

Leicester LE4 9JQ


About Taylor Hobson Ltd


PO Box 36
New Star Road
Leicester LE4 9JQ
United Kingdom

More Info on Taylor Hobson Ltd


FIGURE 1. An aspheric lens is mounted on a brass arbor.
Test & Measurement

Asphere Fabrication: Deterministic aspheric polishing uses multiwavelength interferometry for metrology

Using a metrology device and corrective software, CNC polishers can now use deterministic polishing to directly achieve form errors of sub-100 nm.
(Courtesy of Zygo)
FIGURE 1. Data from different zones of an aspheric surface measured by a Verifire Asphere interferometer are combined in software to obtain the optic's shape.
Test & Measurement

Photonics Products: Interferometers: Numerous ways exist to interferometrically measure aspheres

Aspheric optics can be measured using a Fizeau interferometer, or by using an optical profiler containing an interferometer; both approaches have a variety of forms.
(Image: Taylor Hobson)
A Talysurf PGI 3d profiler captures the surface profile of an asphere.

3D metrology improves from accuracy of diffractive optics

Taylor Hobson and Precitech have combined their expertise to develop a new process to measure, analyze, and correct for diffractive-optics form errors in three dimensions.

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