daily coverage of the optics & photonics industry and the markets that it serves
Featured Showcases
Photonics West Showcase
Figs. 1 & 2
(top): a plano-convex spherical lens shows spherical aberration. Rays from the centre focus at a different location from rays exiting from the edges. (bottom): an aspheric lens can focus all of the incoming rays onto a single spot.
© 2023 SPIE Europe
Top of Page