Optical Design, Fabrication and Instrumentation, and Optics in Information Science Package
Please note: Final session recording schedule is subject to onsite changes and speaker permission.
Monday 17 October 2011
Phase
FME1 - Methods and Applications of X-ray Phase Nanotomography, Manuel Guizar-Sicairos, Paul Scherrer Institut, Switzerland
A methodology for using the phase of x-ray coherent diffractive images to obtain quantitative nanoscale phase tomograms is presented. We show the application of this technique.
FME2 - Task-Based Assessment of Phase-Contrast Mammography, Adam Zysk, Illinois Institute of Technology, United States
Theoretical and computational techniques are used to assess imaging system parameters and investigate the contributions of phase and absorption contrast to object detectability measures in propagation-based X-ray phase-contrast mammography.
FME3 - Extracting Absolute Phase and Amplitude from DIC Imagery, Donald Duncan, Portland State University, United States
We discuss the use of a DIC microscope for characterization of the scatter and absorption properties of thin tissue samples. We demonstrate the calibration process, illustrate phase-stepping approaches, and show representative results.
FME4 - Phase Resolved Imaging of Nonlinear Focal Fields Using Heterodyne Four-Wave Mixing Microscopy, Varun Raghunathan, University of California Irvine, United States
Heterodyne four-wave mixing microscopy of nanoparticles is used to image complex nonlinear focal excitation fields of a high-NA objective lens. The capability of this technique to phase resolve shaped beams is also demonstrated.
FME5 - Phase Retrieval through Nonlinear Media, Chien-Hung Lu, Princeton University, United States
We extend the Gerchberg-Saxton algorithm to the phase retrieval through nonlinear media. We experimentally verify the technique by reconstructing a phase distribution from intensity measurements in two image planes with different positions.
Tuesday 18 October 2011
Digital Holographic Interferometry and Microscopy I
FTuF1 - Impact of Digital Holography on Microscopy and Nanoscopy, Christian Depeursinge, STI, Switzerland
The most relevant developments in coherent imaging applied to microscopy are presented. Digital Holographic Microscopy (DHM) is as an imaging modality, with both nanometer accuracy, subwavelength resolution and tomography for tomographic imaging.
FTuF2 - Region-of-Interest Sharpness Correction, Abbie Tippie, University of Rochester, United States
Maximizing a sharpness metric over a region-of-interest (ROI) improves the wavefront correction for anisoplanatic images over that specific region. We discuss ROI size and scene content that contribute to the effectiveness of this technique.
FTuF3 - Sub-pixel Movement Detection with Compressive Holography, Yi Liu, MIT, United States
We present experimental results of using compressive holography method to detect sub-pixel displacement.
FTuF4 - Phase Conjugating Interferometer for Optical Vortices in Rotating Frame, Alexey Okulov, Russian Academy of Sciencies, Russian Federation
We analyze rotational Doppler effect in noninertial frame for laser beams with angular momentum. The phase-conjugating optical interferometer with photorefractive mirror or static volume hologram produces rotating helical interference pattern.
FTuF6 - Digital Holographic Interferometry and Microscopy for 3D Object Visualization, Georges Nehmetallah, University of Dayton, United States
We use digital holographic interferometry to determine the 3-D dynamic deformation of dents evolution in time of reflective objects and also we use digital holographic microscopy for 3-D profile of spherical lenses on Silicon wafers.
Three-Dimensional Structure Design, Fabrication, and Nanopatterning II
FTuM1 - Beyond the Rayleigh Limit in Optical Lithography, M. Suhail Zubairy, Texas A&M University, United States
It is well known that the precision with which a pattern could be etched in interference lithography is limited by the wavelength of the light. In this talk we shall discuss several schemes for sub-wavelength lithography using classical light.
FTuM2 - High Precision Matrix Laser Lithography for Fabrication of Novel Types of Optical Security Elements, Marek Skeren, Czech Technical University, Czech Republic
Laser matrix lithography device is presented which can be used for fabrication of various diffractive structures including novel types of optical security elements. New ideas in encryption of information using diffractive elements are presented.
FTuM3 - Adaptive Optical Methods for Parallelized Laser Fabrication, Martin Booth, University of Oxford, United Kingdom
We develop adaptive optics for 3D laser microfabrication. Correction of focal depth induced aberrations and beam shaping are applied to fabrication of photonic structures. Adaptive multispot schemes are used for rapid parallel fabrication.
FTuM4 - Performance of Double-Groove Grating with +1st-Order Diffraction Angle Larger than Substrate-Air Critical Angle, Hideo Iizuka, Toyota Motor Engineering & Manufacturing North America, Toyota Central R&D Labs, Japan
We present a technique to couple the normally incident light into the +1st-order transmission with around 97% efficiency and with a 50° diffraction angle in a TiO2 double-groove grating attached on the SiO2 substrate.
FTuM5 - Novel Optical Document Security Elements Based on Waveguide Effect, Jakub Svoboda, Czech Technical University In Prague, Faculty of Nuclear Sciences and Physical Engineering, Czech Republic
A novel type of optical document security elements have been designed and fabricated. The paper presents theory and application of waveguide effect in thin foils together with incoupling and outcoupling light through diffraction gratings.
Three-Dimensional Structure Design, Fabrication, and Nanopatterning III
FTuAA1 - Three-Dimensional Fabrication below the Diffraction Limit via Two-Color Photo-Inhibition/Initiation Lithography., Robert McLeod, University of Colorado at Boulder, United States
The optical diffraction limit is typically taken as the driver of feature size in optical lithography. Inspired by super-resolution microscopy techniques, we show that the limit can be significantly violated by the use of two one-photon processes acting in opposition. Direct write lithography below 100 nm will be discussed as well as the transition to commercial resists and two-dimensional mask projection.
FTuAA2 - 2D and 3D Writing of Silver Nanostructures through Multiphoton Photoreduction, Kevin Vora, Harvard University, United States
We present a technique for direct writing silver nanostructures in 2D and 3D. Nonlinear optical interactions between a silver-ion doped resin and femtosecond pulses create silver nanostructures inside a dielectric matrix.
FTuAA3 - Photolithography and Direct Three-Dimensional Writing (and Erasing) Based on Silver Nanoparticles Formation (and Oxidation) within a Polymer, Antonio Silva, Centro de Tecnologias Estratégicas do Nordeste, Brazil
A new three-dimensional plasmonic lithography is presented. The process of direct writing with a laser beam in a polymeric matrix is demonstrated and explained. The plasmonic structure can be erased chemically.
FTuAA5 - Three-Dimensional Light Modulation Using a Piecewise Implementation of the Gerchberg-Saxton Algorithm, Giovanni Tapang, University of the Philippines Diliman, Philippines
We simultaneously generate arbitrary patterns at different positions along the optical axis by extending the Gerchberg-Saxton (GS) algorithm with the angular spectrum method and imposing a piecewise defined aperture.
Wednesday 19 October 2011
Bioplasmonics
FWL1 - Mapping the Spatial Distribution of Cell Surface Receptors with Plasmon Coupling Microscopy, Bjoern Reinhardt, Boston University, United States
A multispectral imaging modality is described for a quantitative analysis of plasmon coupling between noble metal immunolabels. The approach provides information about the spatial organization of the labels and thus of targeted receptor densities.
FWL2 - Plasmonics in Biological Imaging, Rohit Bhargava, Univ. of Illinois, United States
Rational design of nanostructured particles for surface enhanced spectroscopy, including Raman spectroscopic sensing, is modeled using Mie theory and Genetic Algorithm optimization. Fabrication and use of these nano-layered metal-dielectric particles (nanoLAMPS) presents new opportunities.
FWL3 - Ultrasensitive Label Free Biosensors Enables Seeing Protein Monolayers with The Naked Eye, Ahmet Yanik, Boston Univ, Boston University, United States
By exploiting plasmonic sub-radiant dark modes, we demonstrate ultrasensitive biosensors with record high figure of merits (FOM=162). We also show direct detection of single monolayers of proteins with naked eye using associated Fano resonances.
FWL4 - Controlled Synthesis of Gold Nanorods and Application to Brain Tumor Delineation, Kevin Seekell, Duke University, United States
Gold nanorods are candidates for tumor delineation due to their unique optical properties and biocompatibility. The extinction characteristics of nanorods are tuned during synthesis. Anti-EGFR nanorods effectively label tumors within brain slices.
FWL5 - Fluorescent Dye and OLED Based Plasmonic Dark Field Microscopy, Feifei Wei, University of California, San Diego, United States
We proposed a compact, low-cost and alignment-free plasmonic dark field microscopy and demonstrated its high contrast imaging capability through utilizing chip-scale integrated plasmonic structures to substitute for conventional condenser optics.
Beam Shaping and Propagation, Laser Cavity Design III
FWR1 - Simple Models for Focused Fields, Miguel Alonso, University of Rochester, United States
We discuss the use of nonparaxial orthonormal bases, which can be regarded as nonparaxial generalizations of Laguerre-Gaussian beams, to model strongly focused electromagnetic fields and their interaction with mesoscopic spherical particles.
FWR2 - Airy beams: the (1+1)D non-diffracting Bessel beams, Sabino Chavez-Cerda, ESFM-IPN, INAOE, Mexico
Propagation of Bessel and Airy beams are governed by different wave equations. However Airy functions are Bessel functions of fractional order, we show that Airy beams are better understood using the Bessel traveling wave approach.
FWR3 - Sub-wavelength Focal Dark Channel Generated in Tight Focusing of Azimuthally Polarized Beams, Jixiong Pu, Huaqiao Univ, China
We study the focusing properties of a double-ring-shaped azimuthally polarized beam through an annular high numerical aperture objective lens. A sub-wavelength focal hole with a quite long depth of focus (called dark channel) is achieved
FWR4 - Generation of Vortex Beams by Twisted Nonlinear Photonic Crystals, Noa Bloch, Tel Aviv University, Israel
We fabricated quadratic nonlinear photonic crystals with singular structures. These structures convert Gaussian beams into vortex beams in the second harmonic. The topological charge of the generated beam is controlled by the structure.
FWR5 - All-Optical Shaping of Nonlinear Vortex Beams, Keren Simhony, Tel Aviv University, Israel
We demonstrate methods for controlling the properties of optical vortex beams, generated within a twisted nonlinear photonic crystal. The latter enables us to all-optically shape polarization, radius, and angular momentum of optical vortex beams.
FWR6 - Phase Locking Large Arrays of Lasers via a Single Degenerate Cavity, Micha Nixon, Weizmann Institute of Science, Israel
Experimental realization for phase-locking large arrays of lasers arranged in a variety of 2D geometries is presented. Using our degenerate-cavity coupling between lasers is easily controlled giving rise to a variety of intriguing phase structures.
FWR7 - Closed Loop Feedback Beam Shaping Using the Thermo-Optic Effect, Zhanwei Liu, University of Florida, United States
We present closed-loop control of laser mode structure using thermo-optical actuation and demonstrate compensation of low order thermal aberrations (mode-mismatch, astigmatism).
Thursday 20 October 2011
Progress in Digital Holography I
FThG2 - Sub-Diffraction Limited Pattering via Optical Saturable Transformations, Precious Cantu, University of Utah, United States
Here, we report on a method that resolves nanoscale patterns by exploiting the transitions of organic photochromic derivatives induced by their photoisomerization at low light intensities.
FThG3 - Creating 3D Lattice Patterns Using Programmable Dammann Gratings, Jeffrey Davis, San Diego State University, United States
A 3D lattice of equally intense focus spots can be created using a 3D Dammann structure. We show 4 planar arrays each having 4x4 points using a single pattern.
FThG5 - Vortex Sensing Diffraction Gratings, Jeffrey Davis, San Diego State University, United States
Vortex sensing diffraction gratings can analyze the sign and charge value of an incident vortex beam. They allow vortex spectral analysis of fractional vortex beams as well as the output from segmented spiral phase plates.
FThG7 - Measuring the Orbital Angular Momentum Density for a Superposition of Bessel Beams, Andrew Forbes, CSIR National Laser Centre, University of KwaZulu-Natal, South Africa
We outline a simple approach using only a spatial light modulator to measure the orbital angular momentum (OAM) density for a superposition of non-diffracting Bessel beams. Our measurements are in good agreement with predicted values.
Optical Design with Unconventional Polarization II
FThJ1 - Radial Polarisation Beams in Nanophotonics, Min Gu, Swinburne University of Technology, Australia
A superresolution volume of the focal spot and an axially-superresolved quasi-spherical focal spot can be produced for three-dimensional nanaophotonic fabrication, when radially polarized beams are focused by a high numerical-aperture objective.
FThJ2 - Polarization Properties of Suspended Si:Ga Nanowires, Michael Theisen, University of Rochester, University Of Rochester, United States
We investigate the polarimetric properties of suspended nanowires fabricated in gallium doped silicon. When measured using a polarimetric microscope, the nanowires show a high reflectivity and strong retardance on reflection.
FThJ4 - The Pancharatnam-Berry Phase for Non-Cyclic Polarization Changes, Taco Visser, Delft University of Technology, VU University, Netherlands
We present a setup that allows the observation of linear, nonlinear and singular behavior of the geometric phase that accompanies non-cyclic polarization changes.
FThJ5 - Phase Anomaly and Phase Singularities of the Field in the Focal Region of High-Numerical Aperture Systems, Taco Visser, Delft University of Technology, VU University, Netherlands
The phase behavior of the three components of the electric field in the focal region of a high-numerical aperture focusing system is studied. The Gouy phase anomaly and the occurrence of phase singularities are examined.
Image-Based Wavefront Sensing and Adaptive Optics II
FThK1 - Commissioning and Optical Control for JWST, Scott Acton, , United States*
The paper will describe the multi-step Wavefront Sensing and Controls process that will be used to align and commission the James Webb Space Telescope in flight. We will also show results from a recent experiment on a 1/6th scale functional model of JWST
FThK2 - Iterative Transform Phase Diversity: An Object and Wavefront Recovery Algorithm, Jeffrey Smith, NASA Goddard Space Flight Center, United States
Presented is a solution for recovering the wavefront and an extended object. It builds upon the HDA VSM architecture and deconvolution algorithms. Simulations are shown for recovering the wavefront and extended object for noisy data.
Optical Design with Unconventional Polarization III
FThQ1 - Imaging Spectrometers and Polarimeters, Michael Kudenov, The University of Arizona, United States
Imaging spectrometer and polarimeter research at the Optical Detection Lab, University of Arizona, is overviewed. Topics include snapshot imaging spectroscopy, white-light channeled imaging polarimetry, and infrared hyperspectral imaging polarimetry.
FThQ3 - Collapse and Revival of the Degree of Polarization, Amber Beckley, University of Rochester, United States
Using stress-engineered optical elements, we demonstrate the creation of beam cross-sections with recurring regions of high and low degrees of polarization.
FThQ4 - Vector Beam Representation on a Higher Order Poincare Sphere and Higher Order Stokes Parameter Measurement through Optical Angular Momentum Decomposition, Giovani Milione, City College New York, United States
Representation of vector polarization beams by a higher order Poincare sphere and associated Stokes parameters in terms of total optical angular momentum eigenstates is presented.
FThQ5 - Vectorial Polarimeter Using An Inhomogeneous Polarization State Generator, Fiona Kenny, National University of Ireland, Galway, Ireland*
We report on the building of an experimental setup capable of generating and measuring inhomogeneous polarization states across the waist of a laser beam. A detailed description of its operation and calibration is presented.
PLUS!
Sunday 16 October 2011
- What’s Hot in Bio-Medical Optics, Adam P. Wax, Duke University, United States
- What’s Hot in Fabrication, Design and Instrumentation, Guoqiang Li, University of Missouri, Saint Louis, USA
- What’s Hot in Information Acquisition, Processing and Display, David Brady, Duke University, United States*
- What’s Hot in Photonics and Opto-Electronics, Juerg Leuthold, Karlsruhe Institute of Technology, Germany*
- What’s Hot in Vision and Color, Joseph Carroll, Medical College of Wisconsin, United States
- What’s Hot in Mid-Infrared Laser Technology: Highlights and Applications, Irina Sorokina, Norwegian Univ. of Science & Technology, Norway*
Monday 17 October 2011
- Lightwave Modulators: Early Days, Ivan Kaminow, University of California Berkeley, United States
- Table-Top Soft X-Ray Lasers: Bright Coherent Light for the Nanoworld, Jorge Rocca, Colorado State University, United States
- Seeing is Believing: Capturing Electrons in Real Time, Ferenc Krausz, Max-Planck-Institut für Quantenoptik & Ludwig-Maximilians-Universität München, Germany
- Inside the Wavelength-Seeing Really Small Objects with Light, John Pendry, The Blackett Lab, Imperial College, United Kingdom
*Pending Author Approval