Werner Kaminsky et al 2010 J. Phys.: Condens. Matter 22 095902 doi:10.1088/0953-8984/22/9/095902
Evidence of a circularly polarized light mode along the optic axis in c-cut NH4H2PO4, induced by circular differential reflection and anomalous birefringence
Werner Kaminsky1,4, Steven Steininger1, Javier Herreros-Cedres2 and Anthony Michael Glazer3
Show affiliationsThe anomalous birefringence and circular differential reflection of NH4H2PO4 (point group 
), cut on the optic axis, have been found to cause an additional signal in measurements of the optical rotation employing polarized light technology, with the sample between crossed and slightly modulated linear polarizers (tilting high accuracy universal polarimetry). The azimuthal rotation of the linearly polarized light, up to 100 times larger than expected, is described in terms of a circularly polarized light mode along the optic axis of varying amplitude. Experimental evidence leading to our conclusion is given and a qualitative model for the effect is presented.
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- PACS
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42.25.Gy Edge and boundary effects; reflection and refraction
- Subjects
- Dates
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Issue 9 (10 March 2010)
Received 16 September 2009, in final form 2 January 2010
Published 15 February 2010
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Evidence of a circularly polarized light mode along the optic axis in c-cut NH4H2PO4, induced by circular differential reflection and anomalous birefringence
Werner Kaminsky et al 2010 J. Phys.: Condens. Matter 22 095902
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