Holtom, 1995, Opt. Lett., 20, 1880, 10.1364/OL.20.001880
McCahon, 1995, Opt. Lett., 20, 2309, 10.1364/OL.20.002309
Spence, 1996, Appl. Phys. Lett., 68, 452, 10.1063/1.116410
Reid, 1997, IEEE J. Quantum Electron., 33, 1, 10.1109/3.554854
Nebel, 1993, J. Opt. Soc. Am. B, 10, 2195, 10.1364/JOSAB.10.002195
Ebrahimzadeh, 1995, J. Opt. Soc. Am. B, 12, 2180, 10.1364/JOSAB.12.002180
French, 1996, Opt. Lett., 21, 131, 10.1364/OL.21.000131
Butterworth, 1997, Opt. Lett., 22, 618, 10.1364/OL.22.000618
Karlsson, 1996, Electron. Lett., 32, 556, 10.1049/el:19960402
Fenimore, 1996, J. Opt. Soc. Am. B, 13, 1935, 10.1364/JOSAB.13.001935