$\beta$-Barium Borate (BBO) Absorption in the 0.188-6.22 $\mu$m Range. (arXiv:2111.01212v1 [physics.optics]) http://arxiv.org/abs/2111.01212
QOTO: Question Others to Teach Ourselves An inclusive, Academic Freedom, instance All cultures welcome. Hate speech and harassment strictly forbidden.