Prof. Mark P. Andrews Profile

Prof. Mark P. Andrews

Associate Professor at McGill Univ

SPIE Involvement:

Author

Publications (13)

Proceedings Article | 27 August 2014 Paper

Nanocrystalline cellulose for optical encryption

Yu Ping Zhang, Karen Allahverdyan, Timothy Morse, Vamsy Chodavarapu, Andrew Kirk, Tigran Galstian, Mark Andrews

Proceedings Volume 9172, 91720R (2014) https://doi.org/10.1117/12.2062974

KEYWORDS: Reflection, Diffraction gratings, Ultraviolet radiation, Reflectivity, Molecules, Luminescence, Solids, Adhesives, Polarization, Polymer thin films

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SPIE Journal Paper | 2 July 2012

Nanocrystalline cellulose for covert optical encryption

Yu Ping Zhang, Vamsy Chodavarapu, Andrew Kirk, Mark Andrews

JNP, Vol. 6, Issue 01, 063516, (July 2012) https://doi.org/10.1117/12.10.1117/1.JNP.6.063516

KEYWORDS: Ultraviolet radiation, Solids, Particles, Luminescence, Computer security, Reflection, Optical microscopy, Circular polarizers, Molecules, Optical activity

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Proceedings Article | 18 February 2012 Paper

Nanocrystalline cellulose for covert optical encryption

Yu Ping Zhang, Vamsy Chodavarapu, Andrew Kirk, Mark Andrews

Proceedings Volume 8258, 825808 (2012) https://doi.org/10.1117/12.906770

KEYWORDS: Ultraviolet radiation, Solids, Luminescence, Reflection, Particles, Dichroic materials, Optical microscopy, Computer security, Circular polarizers, Optical activity

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Proceedings Article | 1 March 2011 Paper

Nanoplasmonic photonic crystal diatoms and phytoliths

Mark Andrews, Ahmadreza Hajiaboli, Jonathan Hiltz, Timothy Gonzalez, Gursimranbir Singh, R. Bruce Lennox

Proceedings Volume 7946, 79461S (2011) https://doi.org/10.1117/12.881467

KEYWORDS: Gold, Nanoparticles, Particles, Silica, Silver, Dewetting, Nanoplasmonics, Glasses, Photonic crystals, Finite-difference time-domain method

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Proceedings Article | 2 February 2011 Paper

Tuning liquid crystal properties at hybrid glass interfaces with polarized self-inscribing guided waves

Mark Andrews, Timothy Gonzalez, Tigran Galstian

Proceedings Volume 7955, 79550I (2011) https://doi.org/10.1117/12.881490

KEYWORDS: Glasses, Liquid crystals, Waveguides, Polarization, Anisotropy, Interfaces, Optical alignment, Polymers, Birefringence, Silica

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Proceedings Article | 2 February 2011 Paper

Origin of iridescence in chiral nematic phase nanocrystalline cellulose for encryption and enhanced color

Yu Ping Zhang, Vamsy Chodavarapu, Andrew Kirk, Mark Andrews, Melodie Carluer, Gilles Picard

Proceedings Volume 7955, 79550V (2011) https://doi.org/10.1117/12.881492

KEYWORDS: Particles, Diffraction, Diffraction gratings, Liquid crystals, Microfluidics, Refractive index, Silica, Microscopes, Polarizers, Crystals

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Proceedings Article | 13 February 2009 Paper

Brain machine interfaces combining microelectrode arrays with nanostructured optical biochemical sensors

Mohamad Hajj-Hassan, Timothy Gonzalez, Ebrahim Ghafer-Zadeh, Vamsy Chodavarapu, Sam Musallam, Mark Andrews

Proceedings Volume 7188, 718805 (2009) https://doi.org/10.1117/12.808032

KEYWORDS: Sensors, Waveguides, Oxygen, Brain, Electrodes, Polymers, Polymer multimode waveguides, Silicon, Sol-gels, Epoxies

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Proceedings Article | 11 November 2008 Paper

Photosensitive terpolymer based on PFS:PFOA:GMA monomers for optical communications

Abderrafia Moujoud, Hyun Jae Kim, Mark Andrews

Proceedings Volume 7134, 713415 (2008) https://doi.org/10.1117/12.802700

KEYWORDS: Polymers, Waveguides, Refractive index, Cladding, Polymer multimode waveguides, Glasses, Thermal optics, Absorption, Temperature metrology, Optical communications

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Proceedings Article | 22 February 2008 Paper

Direct-write patterning of nanostructured sensory waveguides for integrated optical bioimaging applications

Mohamad Hajj-Hassan, Timothy Gonzalez, Hagop Djeghelian, Ebrahim Ghafar-Zadeh, Daniel Therriault, Vamsy Chodavarapu, Mark Andrews

Proceedings Volume 6865, 686504 (2008) https://doi.org/10.1117/12.763965

KEYWORDS: Waveguides, Sensors, Oxygen, Epoxies, Microfluidics, Fabrication, Nanostructuring, Optical lithography, Sol-gels, CMOS sensors

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Proceedings Article | 30 October 2007 Paper

Light-induced self-inscription (LISI) in nanocomposite network glasses

M. Andrews, N. Belanger, N. Duxin, E. Maron, J. Lofgreen, H. Djeghelian, G. Shan, M.-P. Manseau, F. C. van Veggel, S.-W. Fu

Proceedings Volume 6796, 67961P (2007) https://doi.org/10.1117/12.778754

KEYWORDS: Waveguides, Glasses, Silicon, Nanoparticles, Nanocomposites, Refractive index, Silver, Composites, Particles, Integrated optics

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Proceedings Article | 26 October 2007 Paper

Mode and polarization state selected guided wave spectroscopy of orientational anisotrophy in model membrane cellulosic polymer films: relevance to lab-on-a-chip

Mark Andrews, Tanya Kanigan

Proceedings Volume 6796, 679608 (2007) https://doi.org/10.1117/12.778077

KEYWORDS: Waveguides, Raman spectroscopy, Refractive index, Polymers, Raman scattering, Polarization, Scattering, Polymer thin films, Prisms, Anisotropy

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