SNLO is free public domain software developed by Dr. Arlee Smith. It is Windows based, with several functions to assist in selecting a nonlinear crystal and modeling its performance. It includes data for more than 50 crystals.

More information about how to use SNLO can be found in the short article SNLO.pdf

Information on applications of nonlinear crystals may be found in the bibliography Crystals.pdf.

Version 48 (June 20, 2009)

To download SNLO, please provide information below. It is used only to track the type and number of users for personal satisfaction; it will not be used for any other purpose. I will never e-mail you or give out your information.

SNLO's installation is a self-extracting executable file. If you have problems downloading SNLO, your firewall or browser is probably blocking *.exe files. If you have problems downloading after fixing your firewall, please e-mail me at