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Interferential polychromatic filters based on the quasi-periodic one-dimensional generalized multilayer Thue - Morse structures

Bouazzi Y., Kanzari M.

Optica Applicata

2009

Vol. 39, nr 3

489-498

In this paper, a new type of optical filter using photonic band gap materials has been proposed. The optical filter was obtained by a combination of periodic H(LH)J and generalized Thue - Morse (GTM) quasi-periodic one-dimensional multilayer. We show that the whole structure H(LH)J[TM]PH(LH)J, where P is the repetition number of the GTM stack, has an interesting application as a polychromatic filter. However, the effect of the repetition number for producing an improved polychromatic filter is presented. So, switches like (on-on-off-off-on-on-…) have been found.