This is a CGH design package based on Applied Optics 1999.
The article and thesis that this software is based are available here
Article in Applied Optics 38 (25) 5331-5337 1999
This is a simulation package for CGH designs.
sim_hol requires FFTW.
Sorry for any compile problems, I don't maintain this much unless I need it. Let me know if you encounter problems and I will happily fix things up for the modern day.
Sorry for the awful documentation - if stuck please feel free to ask how it works.
GPL (c) Matt Clark.