Abstract
The cross pattern (isogyres) formed by certain crystals when they are placed between crossed polarizers and illuminated with convergent light results from birefringent properties of the medium. A similar image is seen in refracting structures which exhibit little or no birefringence, such as the eye lens. This paper provides a mathematical explanation of the formation of isogyres by refraction.
| Original language | English |
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| Pages (from-to) | 212-215 |
| Journal | Ophthalmic and Physiological Optics |
| Volume | 13 |
| Issue number | 2 |
| Publication status | Published (in print/issue) - Apr 1993 |