397.3 and 398.3 nm = oxygen laser lines
3.71 [ch956]m, 3.77 [ch956]m, and 3.84 [ch956]m. hydrogen laser lines
sources:
http://ieeexplore.ieee.org/iel5/3/23025/01071321.pdf?arnumber=1071321
http://www.freepatentsonline.com/4627067.html
oh and a frikkin huge magnetic field near a hene will...