title: Generation of tunable 187.9-196-nm radiation in beta-Ba(2)BO(4).
abstract: Tunable 187.9-196-nm vacuum-ultraviolet radiation was generated at room temperature in a beta barium borate crystal by sum-frequency mixing of Nd:YAG laser radiation and the second harmonic of a dye laser pumped by the second harmonic of the same Nd:YAG laser. By use of the advantageous noncollinear phase-matching configuration, a peak power of 1.3 kW was obtained at 194 nm with input power densities as low as 79MW/cm(2) for 1064-nm and 0.65MW/cm(2) for 237.3-nm radiation.
authors.forename: G C
authors.initials: GC
authors.lastname: Bhar
authors.forename: U
authors.initials: U
authors.lastname: Chatterjee
authors.forename: A M
authors.initials: AM
authors.lastname: Rudra
authors.forename: P
authors.initials: P
authors.lastname: Kumbhakar
authors.forename: R K
authors.initials: RK
authors.lastname: Route
authors.forename: R S
authors.initials: RS
authors.lastname: Feigelson