Search Results - "Supekar, Omkar D."

Real-Time Detection of Reverse-Osmosis Membrane Scaling via Raman Spectroscopy by Supekar, Omkar D, Brown, Joseph J, Greenberg, Alan R, Gopinath, Juliet T, Bright, Victor M

“…Scaling remains a serious barrier to membrane-based desalination. While some real-time techniques have proven effective for scaling detection, none provides…”
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Enhanced Response Time of Electrowetting Lenses with Shaped Input Voltage Functions by Supekar, Omkar D, Zohrabi, Mo, Gopinath, Juliet T, Bright, Victor M

“…Adaptive optical lenses based on the electrowetting principle are being rapidly implemented in many applications, such as microscopy, remote sensing, displays,…”
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Lidar system with nonmechanical electrowetting-based wide-angle beam steering by Zohrabi, Mo, Lim, Wei Yang, Cormack, Robert H, Supekar, Omkar D, Bright, Victor M, Gopinath, Juliet T

“…A light detection and ranging (lidar) system with ±90° of steering based on an adaptive electrowetting-based prism for nonmechanical beam steering has been…”
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Fabrication and characterization of a two-dimensional individually addressable electrowetting microlens array by Gilinsky, Samuel D, Zohrabi, Mo, Lim, Wei Yang, Supekar, Omkar D, Bright, Victor M, Gopinath, Juliet T

“…We demonstrate a two-dimensional, individually tunable electrowetting microlens array fabricated using standard microfabrication techniques. Each lens in our…”
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Axisymmetrical resonance modes in an electrowetting optical lens by Miscles, Eduardo J., Lim, Wei Yang, Supekar, Omkar D., Zohrabi, Mo, Gopinath, Juliet T., Bright, Victor M.

“…Electrowetting-based adaptive optics are of great interest for applications ranging from confocal microscopy to LIDAR, but the impact of low-frequency…”
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Liquid Combination with High Refractive Index Contrast and Fast Scanning Speeds for Electrowetting Adaptive Optics by Lim, Wei Yang, Supekar, Omkar D, Zohrabi, Mo, Gopinath, Juliet T, Bright, Victor M

“…Electrowetting adaptive optical devices are versatile, with applications ranging from microscopy to remote sensing. The choice of liquids in these devices…”
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Fabrication and characterization of a two-dimensional individually addressable electrowetting microlens array: erratum by Gilinsky, Samuel D, Zohrabi, Mo, Lim, Wei Yang, Supekar, Omkar D, Bright, Victor M, Gopinath, Juliet T

“…The authors present an erratum to update the Acknowledgements section in their published article, ["Fabrication and characterization of a two-dimensional…”
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Numerical analysis of wavefront aberration correction using multielectrode electrowetting-based devices by Zohrabi, Mo, Cormack, Robert H, Mccullough, Connor, Supekar, Omkar D, Gibson, Emily A, Bright, Victor M, Gopinath, Juliet T

“…We present numerical simulations of multielectrode electrowetting devices used in a novel optical design to correct wavefront aberration. Our optical system…”
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Miniature structured illumination microscope for in vivo 3D imaging of brain structures with optical sectioning by Supekar, Omkar D, Sias, Andrew, Hansen, Sean R, Martinez, Gabriel, Peet, Graham C, Peng, Xiaoyu, Bright, Victor M, Hughes, Ethan G, Restrepo, Diego, Shepherd, Douglas P, Welle, Cristin G, Gopinath, Juliet T, Gibson, Emily A

“…We present a high-resolution miniature, light-weight fluorescence microscope with electrowetting lens and onboard CMOS for high resolution volumetric imaging…”
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Tunable liquid lens for three-photon excitation microscopy by Gilinsky, Samuel D, Jung, Diane N, Futia, Greg L, Zohrabi, Mo, Welton, Tarah A, Supekar, Omkar D, Gibson, Emily A, Restrepo, Diego, Bright, Victor M, Gopinath, Juliet T

“…We demonstrate a novel electrowetting liquid combination using a room temperature ionic liquid (RTIL) and a nonpolar liquid, 1-phenyl-1-cyclohexene (PCH)…”
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Two-photon laser scanning microscopy with electrowetting-based prism scanning by Supekar, Omkar D, Ozbay, Baris N, Zohrabi, Mo, Nystrom, Philip D, Futia, Gregory L, Restrepo, Diego, Gibson, Emily A, Gopinath, Juliet T, Bright, Victor M

“…Laser scanners are an integral part of high resolution biomedical imaging systems such as confocal or 2-photon excitation (2PE) microscopes. In this work, we…”
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Femtosecond diode-based time lens laser for multiphoton microscopy by Lange Simmons, Y., Underwood, Kenneth J., Supekar, Omkar D., Heffernan, Brendan M., Welton, Tarah A., Gibson, Emily A., Gopinath, Juliet T.

“…We demonstrate a near-infrared, femtosecond, diode laser-based source with kW peak power for two-photon microscopy. At a wavelength of 976 nm, the system…”
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Two-photon, fiber-coupled, super-resolution microscope for biological imaging by Heffernan, Brendan M., Riley, Peter S., Supekar, Omkar D., Meyer, Stephanie A., Restrepo, Diego, Siemens, Mark E., Gibson, Emily A., Gopinath, Juliet T.

“…Imaging sub-diffraction dynamics of neural nanostructures involved in behaviors such as learning and memory in a freely moving animal is not possible with…”
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Two-dimensional Individually Addressible Electrowetting Micro-Lens Array by Gilinsky, Samuel D., Zohrabi, Mo, Supekar, Omkar D., Lim, Wei Yang, Bright, Victor M., Gopinath, Juliet T.

“…In this work we present a two-dimensional micro-scale array of individually addressable, focal length tunable, electrowetting lenses fabricated using standard…”
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Suppression of External Vibrations using an Electrowetting Lens by Miscles, Eduardo J., Lim, Wei Yang, Supekar, Omkar D., Zohrabi, Mo, Gopinath, Juliet T., Bright, Victor M.

“…Axisymmetric resonance modes within an electrowetting lens are investigated. We demonstrate that both electrical modulation and external axial vibration will…”
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Real-time monitoring of calcium sulfate scale removal from RO desalination membranes using Raman spectroscopy by Park, Danielle J., Supekar, Omkar D., Greenberg, Alan R., Gopinath, Juliet T., Bright, Victor M.

“…Chemical characterization of scaling and removal processes was performed in real time via Raman spectroscopy in a bench-scale reverse osmosis (RO) system. A…”
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Raman spectroscopy for real-time concurrent detection of multiple scalants on RO membranes by Park, Danielle J., Supekar, Omkar D., Bright, Victor M., Greenberg, Alan R., Gopinath, Juliet T.

“…In-situ monitoring techniques of reverse osmosis (RO) desalination systems, particularly those with chemical sensing capabilities, can provide the means for…”
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Real-time detection of early-stage calcium sulfate and calcium carbonate scaling using Raman spectroscopy by Supekar, Omkar D., Park, Danielle J., Greenberg, Alan R., Gopinath, Juliet T., Bright, Victor M.

“…Early-stage scaling detection is a crucial component for optimizing proactive anti-fouling measures that enhance membrane lifetime and decrease operation…”
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In-situ monitoring of calcium carbonate scale progression on reverse osmosis membranes using Raman spectroscopy by Park, Danielle J., Supekar, Omkar D., Greenberg, Alan R., Gopinath, Juliet T., Bright, Victor M.

“…Direct monitoring techniques of fouling in membrane-based filtration processes can be implemented as part of an effort to reduce the negative effects of…”
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Electrowetting-on-dielectric Tunable Optics for High-Resolution Microscopy by Supekar, Omkar D

“…Electrowetting-on-dielectric optical devices provide an attractive solution for adaptive optics through an ultra-smooth tunable liquid-liquid interface with no…”
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