Personal daily events

2010

Trapping Light

less than 1 minute read

Published:

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.

2009

Feeling Virtual Objects

less than 1 minute read

Published:

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.