The advent of four axis SPDT enables the generation of non-axisymmetric surfaces. This tool has two extra motions in addition to the orthogonal two axes of motion (x and z axes) featured in a SPDT ...

Retinoscopy is an important part of objective refractive measurement. Traditional teaching is that on the visual axis retinoscopy should be performed to obtain accurate measurements. 1 The object of ...

Off-axis paraboloid reflector is a special optical element, its main function is to focus the incident light to a certain distance from the optical axis. The working principle is based on the ...

This video reviews the types of target magnetic systems and applications that are supported by circular vertical hall technology-based angle sensor ICs. Circular Vertical Hall or CVH technology ...

At Avantier Inc. we produce high-performance OAP mirrors for many applications. A wide variety of coating options are available for these mirrors, including protected gold, protected silver and ...