A magnetic-bottle multi-electron-ion coincidence spectrometer

Akitaka Matsuda, Mizuho Fushitani, Chien-Ming Tseng, Yasumasa Hikosaka, John H.D. Eland, Akiyoshi Hishikawa*

*Corresponding author for this work

Research output: Contribution to journalArticle

12 Scopus citations


A novel multi-electron-ion coincidence spectrometer developed on the basis of a 1.5 m-long magnetic-bottle electron spectrometer is presented. Electrons are guided by an inhomogeneous magnetic field to a detector at the end of the flight tube, while a set of optics is used to extract counterpart ions to the same detector, by a pulsed inhomogeneous electric field. This setup allows ion detection with high mass resolution, without impairing the high collection efficiency for electrons. The performance of the coincidence spectrometer was tested with double ionization of carbon disulfide, CS2 → CS 22+e-e-, in ultrashort intense laser fields (2.8 × 1013W/cm2, 280 fs, 1030 nm) to clarify the electron correlation below the rescattering threshold.

Original languageEnglish
Article number103105
JournalReview of Scientific Instruments
Issue number10
StatePublished - 1 Oct 2011

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