Set of two 45 - 90 - 45  prisms equivalent to the Fresnel rhomb

Murty V. Mantravadi; Ram Prakash Shukla; K. V.S.R. Apparao

doi:10.1117/12.51049

1 January 1991 Set of two 45 - 90 - 45 prisms equivalent to the Fresnel rhomb

Murty V. Mantravadi, Ram Prakash Shukla, K. V.S.R. Apparao

Proceedings Volume 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection; (1991) https://doi.org/10.1117/12.51049
Event: 34th Annual International Technical Symposium on Optical and Optoelectronic Applied Science and Engineering, 1990, San Diego, CA, United States

Abstract

The Fresnel rhomb is used for the production 0of 0cirularly polarized light. In this paper, we propose a set of two 45 -90 -45 prisms which is equivalent to the Fresnel rhomb. The analysis of polarization properties of such a set of prisms was done and it was found that fo orginary experiments on polarizatin, it may satisfactory to use two 45 -90- 45 prisms for producing the circularly polarized light. It is not necessary to fabricate a special prism i.e. the Fresnel rhomb with special angles. If the faces of the prisms are coated with antireflection coatings, a high degree of circularly polarized light is obtained. The polarization calculations were done and verified by experiment.

Citation Download Citation

Murty V. Mantravadi, Ram Prakash Shukla, and K. V.S.R. Apparao "Set of two 45 - 90 - 45 prisms equivalent to the Fresnel rhomb", Proc. SPIE 1332, Optical Testing and Metrology III: Recent Advances in Industrial Optical Inspection, (1 January 1991); https://doi.org/10.1117/12.51049

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KEYWORDS

Prisms

Antireflective coatings

Optical testing

Ions

Polarization

Refractive index

Glasses

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