Optics.org
daily coverage of the optics & photonics industry and the markets that it serves
Featured Showcases
Photonics West Showcase
Optics+Photonics Showcase
Menu
Cellophane in action
This image shows how effective cellophane (right) is at blocking the light from the screen compared with a commercially available half-wave plate (left). The cellophane sheet on the right blocks more light, so the square is darker. (Credit: Keigo Iizuka)
© 2024 SPIE Europe
Top of Page