title: Improved servo-polarimeter.
abstract: A servo-polarimeter utilizing a rotating plastic film as a modulator has been modified to improve stability and sensitivity. The birefringence in a sample being scanned by moving it past a slit can now be determined to better than 3x10(-9).
authors.affiliation: Argonne National Laboratory, 9700 South Cass Avenue, Argonne, Illinois 60439, USA.
authors.forename: W
authors.initials: W
authors.lastname: Primak
authors.forename: E
authors.initials: E
authors.lastname: Monahan