TAG Optics’ line of variable focus lenses—which provide tunable depth of field control and are suitable for use in machine vision—will be demonstrated at SPIE Photonics West. TAG lenses have the ability to give more than a 30x increase in the original depth of field, can change focal length in sub-micro seconds, and provide true on/off state without having to change optics. The lens is a type of gradient index of refraction (GRIN) lens that uses standing sound waves to produce a constantly changing gradient index of refraction within a liquid contained in the lens. When used in applications where speed is critical, it can create multi-focal images by combining information from user-defined spatial locations such that one frame is all that is necessary to capture the full 3D data or it can be synchronized with a camera to generate frame-by-frame focusing as fast as the camera will allow.
SPIE Photonics West booth number:5217
To Learn More:
Contact:TAG Optics
Headquarters: Princeton, NJ, USA
Products:TAG lenses
Key feature:TAG technology uses piezoelectrics to generate sound in the liquid, resulting in an index of refraction profile that behaves like a simple aspheric lens element.
What TAG Optics says:
View more information on the TAG lenses.
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