Problem displacing mesh using dynamic paint

Support Particles and Physics Simulations
#1

can some one tell me what I am doing wrong?
Laser-beam test
http://www.pasteall.org/blend/18290

Image.jpg960×540 24.4 KB


I am trying to use Particle system 3 on cube.004 to displace the surface of where the beam is colliding

this is it with just leaving particles,

#2

I think you need to subdivide the mesh.