OPN Image Galleries

Image of the Week

After Image

Photo Contests

Submit an image to OPN.
Optics and Photonics Image of the Week RSSRSS
Conic Emission

Conic Emission

Typical cone-shaped light emission, taken when a piece of white paper is used to intercept sideways the transmitting light of a femtosecond laser that propagates from the right to the left, producing a micro air plasma ball (also shown on the right)Olympus C5050Z. [Winner 2013 After Image photo contest.] —Zhijun Xu, Nankai University

> Download hi-res image