ND:YAG S1: HT@808nm, HR@556nm/1112nm, S2: AR@556nm/1112nm
LBO AR@556nm/1112nm both sides
OC mirror S1: AR:556nm, S2: HR@1112nm, OC@556nm
I think these are simple coating for us. Laser Crystals, NLO crystals and some optics( just like wave plates, windows, mirrors) used in solid state laser all...