Chemical Sciences: A Manual for CSIR-UGC National Eligibility Test for Lectureship and JRF/Wien filter

A Wien filter is a device consisting of perpendicular electric and magnetic fields that can be used as a velocity filter for charged particles, for example in electron microscopes and spectrometers. Galejs A. 1978 Focusing and dispersing properties of a stigmatic crossed-field energy analyzer Journal of Vacuum Science and Technology 15 865 10.1116/1.569615 http://cnst.nist.gov/epg/Pubs/pdf/epg373.pdf free-download pdf It is named for Wilhelm Wien who developed it in 1898 for the study of anode rays.Ann. der Physik W. Wien 65 440 Wien Karl 1999 100 years of ion beams: Willy Wien's canal rays Brazilian Journal of Physics 29 10.1590/S0103-97331999000300002 http://www.sbfisica.org.br/bjp/files/v29_401.pdf free-download pdf It can be configured as a charged particle energy analyzer, monochromator, or mass spectrometer. 10.1088/0031-8949/9/1/014107 Optics of high-performance electron Microscopes free download review on electron optics 9 2008 H. H. Rose Science and Technology of Advanced Materials 014107 References