Society of Glass Technology · [Sheffield] · leaf 120
huesdepending on the degree ofstrain at several layers. It canbe shown * that the plane ofpolarisation of the quicker wavein glass is parallel to theexternal boundary of the slabat layers lying on the internalside of the dark band, andperpendicular on the other ex-ternal layers. In other words,… … By using a quarter wave plate. 60 JOURNAL OF THE SOCIETY OF GLASS TECHNOLOGY. being the planes of polarisation of the polariser and the analyserrespectively. Analogous phenomena happen in the case of double refractioncaused by mechanical strain. If a well annealed rectangular rodbe supported on two…
Glass
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