Influence of dielectric boundaries, angle of incidence, and polarization of light on the optical properties of chiral photonic crystals

Harutyunyan, M. Z.; Gevorgyan, A. H.; Mkhitaryan, S. A.

doi:10.3103/s1068337207060138

J. Contemp. Phys.

2007

DOI: 10.3103/s1068337207060138

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Influence of dielectric boundaries, angle of incidence, and polarization of light on the optical properties of chiral photonic crystals

M. Z. Harutyunyan

A. H. Gevorgyan

S. A. Mkhitaryan

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Cited by 3 publications

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“…In liquid crystals cells the chiral nematic phase is sandwiched between symmetric media (glass) typically with a refractive index similar to the average of the liquid crystal. Nevertheless, calculations have shown that changing the external media from glass to air, e shows opposite signs below and above the band of selective reflection at large angles of incidence [27].…”

mentioning

confidence: 99%

Evidence for a dispersion relation of optical modes in the cuticle of the scarab beetle Cotinis mutabilis

Mendoza-Galván¹,

Muñoz-Pineda²,

Järrendahl³

et al. 2014

Opt. Mater. Express

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Variable angle Mueller matrix spectroscopic ellipsometry is used to study the properties of light reflected from the exoskeleton (cuticle) of the scarab beetle Cotinis mutabilis. For unpolarized incident light, the ellipticity and degree of polarization of the reflected light reveal a left-handed helical structure in the beetle cuticle. Analysis of the spectral position of the maxima and minima in the interference oscillations of the Mueller-matrix elements provides evidence for a dispersion relation similar to that of optical modes in chiral nematic liquid crystals calculated within a two-wave approximation. Additionally, a structural model for the cuticle of C. mutabilis is derived from the properties of the optical modes for nonattenuated propagation or selective reflection.

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mentioning

confidence: 99%

Evidence for a dispersion relation of optical modes in the cuticle of the scarab beetle Cotinis mutabilis

Mendoza-Galván¹,

Muñoz-Pineda²,

Järrendahl³

et al. 2014

Opt. Mater. Express

View full text Add to dashboard Cite

show abstract

Enhancement of the optical absorption in cholesteric liquid crystals due to photonic effects: an experimental study

2017

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Light energy accumulation by cholesteric liquid crystal layer at oblique incidence

et al. 2018

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Influence of dielectric boundaries, angle of incidence, and polarization of light on the optical properties of chiral photonic crystals

Cited by 3 publications

References 24 publications

Evidence for a dispersion relation of optical modes in the cuticle of the scarab beetle Cotinis mutabilis

Evidence for a dispersion relation of optical modes in the cuticle of the scarab beetle Cotinis mutabilis

Enhancement of the optical absorption in cholesteric liquid crystals due to photonic effects: an experimental study

Light energy accumulation by cholesteric liquid crystal layer at oblique incidence

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