Congruent LiNbO3 (CLN)CLN and MgO5 crystals
Pup to 0.04 cm^-1 (transition-metal impurities, 400-2000 nm); about 0.001 cm^-1 H-related bands at 2300-2800 nm; annealing lowers absorption by up to 10xcm−1
conditions not stated; default record
Schwesyg, Universitat Bonn (2011), abstract; Sec. 3.1, 3.3