Use of a chopper won't improve on the limit imposed by shot noise. You're probably better off chasing down the cause of the low angle background.
************************** Peter W. Stephens Professor, Department of Physics and Astronomy Associate Dean for Research and Facilities, College of Arts and Sciences Stony Brook University (631) 632-8156 http://mini.physics.sunysb.edu/~pstephens Please update your records to my new email: peter.steph...@stonybrook.edu On Mon, Apr 25, 2016 at 1:02 PM, Shay Tirosh <stiro...@gmail.com> wrote: > Thank you all who answered my question. > > I would like to add in this frame: > > Are there attempts to use chopping X-ray source coupled to lock-in > amplifier to dump noise further? > I would use this technique specifically at low angles where the detector > tends to saturate with background light. > > Thanks > > Shay > > -- > _________________________________________________ > > Dr. Shay Tirosh > Institute for Nanotechnology & Advanced Materials > Bar Ilan University > Ramat Gan, 52900 > Israel > Phone: +972-(0)30-531-7320 > Mobile: +972-(0)54-8834533 > Email: stiro...@gmail.com > _________________________________________________ > > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > Please do NOT attach files to the whole list <alan.he...@neutronoptics.com > > > Send commands to <lists...@ill.fr> eg: HELP as the subject with no body > text > The Rietveld_L list archive is on > http://www.mail-archive.com/rietveld_l@ill.fr/ > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ > > > --
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