Optics.org
daily coverage of the optics & photonics industry and the markets that it serves
Featured Showcases
Photonics West Showcase
Optics+Photonics Showcase
News
Menu
Researcher Riccardo Ollearo with the photodiode (right).
Researcher Riccardo Ollearo shows how the photodiode (right) picks up the signal from his finger, allowing him to see how fast his heart is beating on the screen (left). Photo: Bart van Overbeeke.
© 2024 SPIE Europe
Top of Page