摘要
Non-linear crystal materials BBO and LBO stand for the low-temperature phases of barium metaborate beta-BaB<sub>2</sub>O<sub>4</sub> and lithium triborate LiB<sub>3</sub>O<sub>2</sub>. Both are hi-tech products marketed by the Fujian Castech Crystals Inc., a business entity affiliated to the CAS. The successful development of the two was honoured with a special prize, a first-grade prize and a second-grade prize of the CAS Awards for S&T Progress in 1986, 1989 and 1990 respectively. Also, they were crowned with a prize of the
