Abstract:Conventional polariscope set-ups like the plane polariscope or the dark or bright ,field set-ups specifi' the positions of the various optical elements with respect to the polarising axes of the photoelustic model for determining the isoclinic and isochromatic parameters. I n this paper, it is shown that such specification is not necessary since, for any light path, the positions of the optical elements for an absolute minimum in intensity of the light emerging from the analyser are unique. To illustrate this,… Show more
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