Self-assemble organic molecular micron-sized tubular structures for active and passive wave-guiding regimes

Nebras Al-Attar; Rusul M. Al-Shammari; Mohammed A. Minshid; Brian J. Rodriguez; John T. Sheridan; Aoife Gowen; James H. Rice

doi:10.1117/12.2520583

26 April 2019 Self-assemble organic molecular micron-sized tubular structures for active and passive wave-guiding regimes

Nebras Al-Attar, Rusul M. Al-Shammari, Mohammed A. Minshid, Brian J. Rodriguez, John T. Sheridan, Aoife Gowen, James H. Rice

Author Affiliations +

Proceedings Volume 11031, Integrated Optics: Design, Devices, Systems, and Applications V; 1103111 (2019) https://doi.org/10.1117/12.2520583
Event: SPIE Optics + Optoelectronics, 2019, Prague, Czech Republic

Abstract

Here we study self-assembled of 9-diethylamino-5-benzo[α]phenoxazinone 9 . AFM, SEM, Raman imaging, studies demonstrate that such materials form micron-sized tub-like structures with rectangular shape. These microstructures show both active and passive wave guiding modes. Applying wavelengths in resonance 532 nm, and in non-resonance (785nm) with the molecular electronic absorption bands was undertaken for active and passive wave guiding studies. PL spectra capping point, the body and emerging light points were investigated. Meanwhile, Raman scattered photons were also acquired which maintain the polarized light propagation direction(s) and its interaction with tube molecules. The hollow features and tubes defect were identified using Raman imaging. These studies showing that excellent wave guiding features are present using these self-assembled micron-tube structures.

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Nebras Al-Attar, Rusul M. Al-Shammari, Mohammed A. Minshid, Brian J. Rodriguez, John T. Sheridan, Aoife Gowen, and James H. Rice "Self-assemble organic molecular micron-sized tubular structures for active and passive wave-guiding regimes", Proc. SPIE 11031, Integrated Optics: Design, Devices, Systems, and Applications V, 1103111 (26 April 2019); https://doi.org/10.1117/12.2520583

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KEYWORDS

Raman spectroscopy

Waveguides

Geometrical optics

Scanning electron microscopy

Solids

Molecular self-assembly

Light wave propagation

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