Personal daily events

Trapping Light

less than 1 minute read

Published: June 05, 2010

Working on the holographic optical tweezers system at CEFOP. The Gerchberg-Saxton algorithm computes the phase mask that the SLM needs to display, and when it works, you can see multiple laser traps forming at the focal plane — each one capable of holding a microscopic particle.

Feeling Virtual Objects

less than 1 minute read

Published: August 20, 2009

The octree collision detection is finally working properly with the PHANToM Omni device. You move the stylus and when it hits a virtual object, you actually feel resistance. It is one thing to see it on screen, another to feel it in your hand.

1 minute read