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Abstract
A compact, movable system to collect and spatially filter fluorescence excited by laser in a mol. beam is described. The filter reduces the vol. viewed by the detector which enables measuring fluorescence arising from constricted regions, such as from small gaps between electrodes or magnetic pole pieces, and reducing the Doppler width in divergent mol. beams. Doppler widths of 100 MHz can be ...
Abstract
A compact, movable system to collect and spatially filter fluorescence excited by laser in a mol. beam is described. The filter reduces the vol. viewed by the detector which enables measuring fluorescence arising from constricted regions, such as from small gaps between electrodes or magnetic pole pieces, and reducing the Doppler width in divergent mol. beams. Doppler widths of 100 MHz can be attained for an unskimmed supersonic beam a few cm downstream from the nozzle where the high mol. d. further enhances the fluorescence signal.
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