2026-09-18T18:39:47Zhttps://dspace.mit.edu/server/oai/requestoai:dspace.mit.edu:1721.1/1001022022-01-13T07:54:05Zcom_1721.1_7582com_1721.1_7581col_1721.1_131023
Mathias Kolle.
Nagelberg, Sara (Sara Nicole)
Massachusetts Institute of Technology. Department of Mechanical Engineering.
Massachusetts Institute of Technology. Department of Mechanical Engineering
2015-12-03T20:53:34Z
2015-12-03T20:53:34Z
2015
2015
http://hdl.handle.net/1721.1/100102
929457852
Thesis: S.M., Massachusetts Institute of Technology, Department of Mechanical Engineering, 2015.
Cataloged from PDF version of thesis.
Includes bibliographical references (pages 39-40).
Micro-scale optical components capable of on-demand reconfiguration of their internal morphology and composition would enable unprecedented control of light propogation on the microscale. Double emulsions formed from immiscible hydrocarbons and fluorocarbons offer a promising platform as reconfigurable micro-optical lenses. These droplet-based lenses can be reconfigured to strongly focusing, nearly transparent, or strongly scattering geometries. The dynamic variation of the lenses' optical interfaces can greatly enhance the lenses' ability to manipulate light. Finite Difference Time Domain and Raytracing techniques were used to characterize the optical properties of the drops and the simulations were verified experimentally immersing the lenses in an aqueous fluorescent medium in order to visualize their light manipulation capabilities. The lenses show a rapid response to external light stimuli or heat gradients and are susceptible to chemical triggers.
by Sara Nagelberg.
S.M.
40 pages
eng
Massachusetts Institute of Technology
M.I.T. theses are protected by copyright. They may be viewed from this source for any purpose, but reproduction or distribution in any format is prohibited without written permission. See provided URL for inquiries about permission.
http://dspace.mit.edu/handle/1721.1/7582
Mechanical Engineering.
Tunable liquid microlenses formed from dynamically re-configurable double emulsions
Thesis
application/pdf
Publication
unknown
unknown
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<Abstract>Micro-scale optical components capable of on-demand reconfiguration of their internal morphology and composition would enable unprecedented control of light propogation on the microscale. Double emulsions formed from immiscible hydrocarbons and fluorocarbons offer a promising platform as reconfigurable micro-optical lenses. These droplet-based lenses can be reconfigured to strongly focusing, nearly transparent, or strongly scattering geometries. The dynamic variation of the lenses' optical interfaces can greatly enhance the lenses' ability to manipulate light. Finite Difference Time Domain and Raytracing techniques were used to characterize the optical properties of the drops and the simulations were verified experimentally immersing the lenses in an aqueous fluorescent medium in order to visualize their light manipulation capabilities. The lenses show a rapid response to external light stimuli or heat gradients and are susceptible to chemical triggers.</Abstract>
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