KTP crystal (Potassium Titanyl Phosphate) is an excellent and yet affordable non-linear crystal offers a range of unique features:
It is widely used as a 1064nm/532nm harmonic generator (SHG) or as an OPO gain medium for eye-safe emission. Cristal Laser has a supplied many 1,000's of high-quality OPO KTP crystals to be used in eye-safe range-finders worldwide.
SHG KTP crystal
OPO KTP crystal