Dr. Lauren D. Zarzar Profile

Dr. Lauren D. Zarzar

at Penn State University

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Author

Publications (3)

Proceedings Article | 2 March 2020 Paper

Structural coloration from total internal reflection at microscale concave surfaces and use for sensing in complex droplets

Ashley Saunders, Lauren Zarzar

Proceedings Volume 11292, 112920X (2020) https://doi.org/10.1117/12.2545151

KEYWORDS: Microscopes, Interfaces, Microfluidics, Cell phones, Biological and chemical sensing

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Proceedings Article | 27 April 2016 Presentation

Biological inspiration in optics and photonics: harnessing nature's light manipulation strategies for multifunctional optical materials (Conference Presentation)

Mathias Kolle, Joseph Sandt, Sara Nagelberg, Lauren Zarzar, Moritz Kreysing, Peter Vukusic

Proceedings Volume 9719, 971903 (2016) https://doi.org/10.1117/12.2218352

KEYWORDS: Photonics, Biomedical optics, Optics manufacturing, Biomimetics, Organisms, Photonics systems, Manufacturing, Absorption, Adaptive optics, Optical properties

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The precise control of light–matter interactions is crucial for the majority of known biological organisms in their struggle to survive. Many species have evolved unique methods to manipulate light in their environment using a variety of physical effects including pigment-induced, spectrally selective absorption or light interference in photonic structures that consist of micro- and nano-periodic material morphologies. In their optical performance, many of the known biological photonic systems are subject to selection criteria not unlike the requirements faced in the development of novel optical technology. For this reason, biological light manipulation strategies provide inspiration for the creation of tunable, stimuli-responsive, adaptive material platforms that will contribute to the development of multifunctional surfaces and innovative optical technology. Biomimetic and bio-inspired approaches for the manufacture of photonic systems rely on self-assembly and bottom-up growth techniques often combined with conventional top-down manufacturing. In this regard, we can benefit in several ways from highly sophisticated material solutions that have convergently evolved in various organisms. We explore design concepts found in biological photonic architectures, seek to understand the mechanisms underlying morphogenesis of bio-optical systems, aim to devise viable manufacturing strategies that can benefit from insight in biological formation processes and the use of established synthetic routines alike, and ultimately strive to realize new photonic materials with tailor-made optical properties. This talk is focused on the identification of biological role model photonic architectures, a brief discussion of recently developed bio-inspired photonic structures, including mechano-sensitive color-tunable photonic fibers and reconfigurable fluid micro-lenses. Potentially, early-stage results in studying and harnessing the structure-forming capabilities of living cells that lie at the origin of many species’ ability to grow photonic materials will also be presented.

Proceedings Article | 8 February 2011 Paper

Environmentally responsive active optics based on hydrogel-actuated deformable mirror arrays

Philseok Kim, Lauren Zarzar, Mughees Khan, Michael Aizenberg, Joanna Aizenberg

Proceedings Volume 7927, 792705 (2011) https://doi.org/10.1117/12.879034

KEYWORDS: Micromirrors, Active optics, Deformable mirrors, Transmittance, Actuators, Metals, Epoxies, Adaptive optics, Polymers, Silicon

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