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Proceedings Paper

Chiral supercavities
Author(s): Ian J Hodgkinson; Qihong Wu; Lakshman De Silva; Matthew D. Arnold
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Paper 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.

Paper Details

Date Published: 9 July 2003
PDF: 11 pages
Proc. SPIE 5218, Complex Mediums IV: Beyond Linear Isotropic Dielectrics, (9 July 2003); doi: 10.1117/12.506699
Show Author Affiliations
Ian J Hodgkinson, Univ. of Otago (New Zealand)
Qihong Wu, Univ. of Otago (New Zealand)
Lakshman De Silva, Univ. of Otago (New Zealand)
Matthew D. Arnold, Univ. of Otago (New Zealand)

Published in SPIE Proceedings Vol. 5218:
Complex Mediums IV: Beyond Linear Isotropic Dielectrics
Martin W. McCall; Graeme Dewar, Editor(s)

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