Chiral supercavities

Ian J Hodgkinson; Qihong Wu; Lakshman De Silva; Matthew D. Arnold

doi:10.1117/12.506699

9 July 2003 Chiral supercavities

Ian J Hodgkinson, Qihong Wu, Lakshman De Silva, Matthew D. Arnold

Proceedings Volume 5218, Complex Mediums IV: Beyond Linear Isotropic Dielectrics; (2003) https://doi.org/10.1117/12.506699
Event: Optical Science and Technology, SPIE's 48th Annual Meeting, 2003, San Diego, California, United States

Abstract

The optical properties of narrow-band Fabry-Perot filters for circulalry polarized light are surveyed theoretically. Here the general filter is considered to be formed by two chiral reflectors each of N turns, one with an abrupt twist of ξ and separated by an isotropic spacer of refractive index n and thickness d. The spacerless filter with d = 0, ξ = π/2 which may be regarded as a special case, is known to suffer from severe limitation of finesse and purity of polarization as N becomes large. However from previous work, there is reason to anticipate that general chiral supercavities with virtually unlimited finesse may be possible. In the presentation performance maps of the degree of polarization and the finesse confirm that chiral supercavities are possible, and conditions on n, d, and ξ are explored.

Citation Download Citation

Ian J Hodgkinson, Qihong Wu, Lakshman De Silva, and Matthew D. Arnold "Chiral supercavities", Proc. SPIE 5218, Complex Mediums IV: Beyond Linear Isotropic Dielectrics, (9 July 2003); https://doi.org/10.1117/12.506699

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