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Euan McLeod is directing the Soft Nano-Photonic Systems Laboratory, which focuses on the intersection of nano-photonics, soft materials science, and the coordinated interaction of systems of many components. Two main avenues of investigation include 3D optical assembly of devices from nanoscale building blocks, and the use of lensfree holographic on-chip imaging for the high-throughput sensing of viruses and nanoparticles. The research is pursued using a mixture of experimental and computational approaches. The group seeks to provide cost-effective and high-throughput optical methods of fabrication and sensing based on cutting-edge optical phenomena.Show Less
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Courses
- AOLAdvanced Optics Laboratory
- NNanophotonics
Grants
- CAREER: Design and Precision Assembly of Particulate-Based 3D Nanophotonic Devices
Principal Investigator (PI)
2021
$516.1K
Active - Superresolution Lensfree Microscopy
Principal Investigator (PI)
2021
$381.4K
Active - Sensitive, Selective, and Affordable Chemical Threat Sensing Using Frequency Locked Microtoroid Optical Resonators
Co-Investigator (COI)
2018
$2.8M
Active - Pixel-Level 3D Nanophotonic Structures for Multi-Modality Image Sensors
Principal Investigator (PI)
2018
$335.5K
Technologies / Patents
Publications (102)
Recent
- Point-of-care SARS-CoV-2 sensing using lens-free imaging and a deep learning-assisted quantitative agglutination assay
2022
- Part-per-Trillion Trace Selective Gas Detection Using Frequency Locked Whispering-Gallery Mode Microtoroids
2022
- Assembly of multicomponent structures from hundreds of micron-scale building blocks using optical tweezers
2021
- Quantitative Large-Area Agglutination Assay Sensing of Protein Molecules in Solution
2021
- Protein sensing in solution using a high-speed lens-free holographic microscope
2021
- High-Speed Lens-Free Holographic Sensing of Protein Molecules Using Quantitative Agglutination Assays
2021
- Multicomponent structure assembly with optical tweezers
2021
- Accounting for substrate-particle interactions in metasurfaces using fast discrete dipole approximation simulations
2021
- Assembling nanoscale building blocks in 3D using optical tweezers
2020
- Accurate and fast modeling of scattering from random arrays of nanoparticles using the discrete dipole approximation and angular spectrum method
2020
- Assembly of Nanophotonic Structures Using Optical Tweezers
2020
- Accurate electromagnetic field and optical force calculations for metallic nanoparticles
2020
- Tunable terahertz hyperbolic metamaterial slabs and super-resolving hyperlenses
2020
- Three-Dimensional Simulation of Particle-Induced Mode Splitting in Large Toroidal Microresonators
2020
- Directed assembly of 3D nanophotonic systems from building blocks (Conference Presentation)
2020
- High-speed lens-free holographic microscope for biomolecular sensing
2020
- Optical Manipulation of Nanoparticles for Assembly of 3D Devices and Materials
2020
- 3D Nanophotonic device fabrication using discrete components
2020
- How Covid-19 Diagnostic Tests Work
2020
- Quantitative Large Area Binding Sensor Using A High-speed Lens-free Holographic Microscope
2020
- Optical tweezers for micro- and nano-assembly
2020
- Rigorous and fast computation of plasmonic particle-substrate interactions
2020
- Automated 3D assembly of hundreds of building blocks using optical tweezers
2020
- Dark mode plasmonic cavity biosensor (Conference Presentation)
2019
- Accurate Dipole Modeling of Forces on a Metallic Nanoparticle With a Larger Radius Than Skin Depth
2019
- Theoretical Limits of Nanoparticle Optical Manipulation
2019
- Photonic nanostructures for robust far-field coupling to high-Q whispering-gallery mode optical resonators (Conference Presentation)
2019
- Metallic nanoparticles: high-speed optical tweezing and more accurate force calculations (Conference Presentation)
2019
- Accuracy of the skin depth correction for metallic nanoparticle polarizability
2019
- Dark mode plasmonic optical microcavity biochemical sensor
2019
- Rationally designed nanoantennas coupled to microtoroids for enhanced biochemical sensing (Conference Presentation)
2019
- Optimization of small target sensing in lensfree microscopes (Conference Presentation)
2019
- Optimized Reconstruction for Sparse and Small Targets in Lens-free Holographic Microscopy
2019
- Simulating travelling waves in large 3D whispering gallery mode resonators decorated with plasmonic nanoparticles
2019
- Particulate-based structures for nanoscale imaging and sensing (Conference Presentation)
2019
- Plasmonic Dark Modes for Enhanced Microcavity Biosensing
2019
- Simulating robust far-field coupling to travelling waves in large three-dimensional nanostructured high-Q microresonators
2019
- Differential colorimetry measurements of fluctuation growth in nanofilms exposed to large surface thermal gradients
2019
- Optimized sensing of sparse and small targets using lens-free holographic microscopy
2018
- High velocity micro- and nano-particle optical manipulation (Conference Presentation)
2018
- Maximum manipulation speeds of dielectric and metallic micro and nanoparticles (Conference Presentation)
2018
- Optimized computational imaging methods for small-target sensing in lens-free holographic microscopy
2018
- On-chip ultraviolet holography for high-throughput nanoparticle and biomolecule detection
2018
- Enhanced whispering gallery mode sensors
2018
- Fundamental Limits of Optical Tweezer Nanoparticle Manipulation Speeds
2018
- Toward complex 3D nanophotonics by the assembly of building blocks
2018
- Computational sensing of herpes simplex virus using a cost-effective on-chip microscope
2017
- 3D nanophotonic systems for biosensing and integrated photonics
2017
- Microscopy without lenses
2017
- On-chip Microscopy and Nano-particle Detection Using Ultraviolet Light
2017
- Liquid polymeric materials for optical nano-bio sensing
2017
- Computational On-Chip Imaging of Nanoparticles and Biomolecules using Ultraviolet Light
2017
- Rapid and sensitive detection of waterborne pathogens using machine learning on a smartphone based fluorescence microscope
2016
- Lensless Imaging and Sensing
2016
- High-throughput nanoparticle sizing using lensfree holographic microscopy and liquid nanolenses(Conference Presentation)
2016
- Unconventional methods of imaging: computational microscopy and compact implementations
2016
- Self-assembled micro-reflectors for signal enhancement in fluorescence microscopy
2015
- Field-Portable Nanoparticle and Virus Sizing Enabled by On-Chip Microscopy and Vapor-Condensed Nanolenses
2015
- Democratization of Nanoscale Imaging and Sensing Tools Using Photonics
2015
- Rapid imaging, detection and quantification of Giardia lamblia cysts using mobile-phone based fluorescent microscopy and machine learning
2015
- Enhanced light collection in fluorescence microscopy using self-assembled micro-reflectors
2015
- Wide-field nano-scale imaging on a chip
2015
- Field portable mobile phone based fluorescence microscopy for detection of giardia lamblia cysts in water samples
2015
- High-Throughput and Label-Free Single Nanoparticle Sizing Based on Time-Resolved On-Chip Microscopy
2015
- Nanoparticle and virus sensing enabled by computational lensfree imaging
2014
- Tunable vapor-condensed nanolenses
2014
- Nano-imaging enabled via self-assembly
2014
- Waterborne pathogen detection using a smart phone based fluorescent microscope
2014
- On-chip cytometry using plasmonic nanoparticle enhanced lensfree holography
2013
- Wide-field optical detection of nanoparticles using on-chip microscopy and self-assembled nanolenses
2013
- Self-assembled nanolens formation for widefield computational imaging of nanoparticles on a chip
2013
- Optical detection and sizing of single nanoparticles using continuous wetting films
2013
- Toward giga-pixel nanoscopy on a chip: a computational wide-field look at the nano-scale without the use of lenses
2013
- High-throughput imaging of single viruses using self-assembled nano-lenses and on-chip holography
2013
- Sperm Trajectories Form Chiral Ribbons
2013
- Nanofabrication Using Near-Field Optical Probes
2012
- One step non-contact fabrication of polymer microlens arrays by thermocapillary lithography
2011
- Tracking the Growth Rate of Nanopillar Formations Caused by Large Thermocapillary Forces
2011
- Experimental Verification of the Formation Mechanism for Pillar Arrays in Nanofilms Subject to Large Thermal Gradients
2011
- Experimental Study of Fluid Structure Formation from the Linear to Non-Linear Regime in Polymer Nanofilms Subject to Benard-Like Instability
2010
- Experimental Confirmation of Pillar Array Formation in Polymer Nanofilms by Thermocapillary Instability
2010
- Nanoscale ablation through optically trapped microspheres
2010
- Array-based optical nanolithography using optically trapped microlenses
2009
- Parallel Direct-Write Nanolithography Using Arrays of Optically Trapped Microlenses
2009
- Positional Accuracy in Optical Trap-Assisted Nanolithography
2009
- Rapidly tunable acoustic gradient index lenses for pulsed imaging and laser processing
2009
- Bessel beams in tunable acoustic gradient index lenses and optical trap assisted nanolithography
2009
- High-speed varifocal imaging with a tunable acoustic gradient index of refraction lens
2008
- Subwavelength direct-write nanopatterning using optically trapped microspheres
2008
- Optical Trap Assisted Nanoscale Laser Direct-Write Patterning
2008
- Self-Positioning Optically Trapped Microspheres For Nanoscale Laser Direct Write
2008
- Rapid Beam Shaping For Pulsed Laser Processing Using Tunable Acoustic Gradient Index Lenses
2008
- Optical analysis of time-averaged multiscale Bessel beams generated by a tunable acoustic gradient index of refraction lens
2008
- RAPID BEAM SHAPING AND FOCUSSING USING TUNABLE ACOUSTIC GRADIENT INDEX LENSES
2008
- Dynamic pulsed-beam shaping using a TAG lens in the near UV
2008
- A new approach to adaptive optics for materials processing
2007
- Multiscale Bessel beams from tunable acoustic gradient index of refraction lenses
2007
- Mechanics and refractive power optimization of tunable acoustic gradient lenses
2007
- Complex beam sculpting with tunable acoustic gradient index lenses
2007
- Complex beam sculpting with tunable acoustic gradient index lenses - art. no. 64830I
2007
- Generating Bessel beams with a tunable acoustic gradient index of refraction lens
2006
- Multiscale Bessel beams generated by a tunable acoustic gradient index of refraction lens
2006
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