title: Experimental investigation of radiation from the interaction of an electron beam and a conducting grating.
abstract: Recent experimental results on the radiation generated from an electron beam passing closely over a conducting grating are presented. The most striking results are that the output power is 4 orders of magnitude more intense than that predicted by the Smith-Purcell explanation and that the output power increases exponentially with the beam thickness until it saturates at a thickness of a 1000 times the grating period. The recent theoretical model of Chang and McDaniel [Phys. Rev. Lett. 63, 1066 (1989); J. Opt. Soc. Am. B 7, 239 (1990)] is shown to compare favorably with these results.
authors.forename: I
authors.initials: I
authors.lastname: Shih
authors.forename: D B
authors.initials: DB
authors.lastname: Chang
authors.forename: J E
authors.initials: JE
authors.lastname: Drummond
authors.forename: K L
authors.initials: KL
authors.lastname: Dubbs
authors.forename: D L
authors.initials: DL
authors.lastname: Masters
authors.forename: R M
authors.initials: RM
authors.lastname: Prohaska
authors.forename: W W
authors.initials: WW
authors.lastname: Salisbury