**Pre Reqs:** [Intro to Forces](http://scienceblogs.com/dotphysics/2008/09/basics-what-is-a-force.php), [Vectors](http://scienceblogs.com/dotphysics/2008/09/basics ...
The optical tweezers is formed with a continuous wave Titanium-sapphire laser tuned to 830 nm and pumped by a 532 nm solid-state frequency-doubled Nd: YVO4 laser (maximum power: 6 W). The beam is then ...