Features of the formation of a Maltese cross in conoscopic patterns

Пикуль О.Ю., Рудой К.А., Строганов В.И. Особенности формирования "мальтийского креста" в коноскопических картинах // Оптический журнал. 2008. Т. 75. № 7. С. 84–87.

Pikul O.Yu., Rudoy K.A., Stroganov V.I. Features of the formation of a Maltese cross in conoscopic patterns [in Russian] // Opticheskii Zhurnal. 2008. V. 75. № 7. P. 84–87.

O. Yu. Pikul’, K. A. Rudoĭ, and V. I. Stroganov, "Features of the formation of a Maltese cross in conoscopic patterns," Journal of Optical Technology. 75 (7), 473-475 (2008). https://doi.org/10.1364/JOT.75.000473

This paper shows that, in general, a double Maltese cross is observed in the conoscopic patterns of plane-parallel crystalline plates. The condition for a double Maltese cross to be observed is that the angle between the transmission axes of the polarizer and analyzer must not equal 0° or 90°.