Ct. Chen et al., THE VACUUM-ULTRAVIOLET PHASE-MATCHING CHARACTERISTICS OF NONLINEAR-OPTICAL KBE2BO3F2 CRYSTAL, Applied physics letters, 68(21), 1996, pp. 2930-2932
The nonlinear optical crystal KBe2BO3F2 has been used to produce vacuu
m ultraviolet second-harmonic generation with an output range of 200-1
84.7 nm. The Sellmeier equation further indicates that this new crysta
l can generate the sixth harmonic from Nd-based laser systems. (C) 199
6 American Institute of Physics.