Panelist: Rehman

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  • Spotlight Summary by Shakil Rehman

    • Backscatter multiple wavelength digital holography for color micro-particle imaging
    • Color digital holography has potential applications in quantitative assessment of small particles in diverse fields where color, size and shape of the particles is required in volume distributions such as aerosols. The...
    • Appl. Opt. 61(5) B83-B95 (2022) View: Abstract | HTML | PDF

Information Acquisition, Processing, and Display

  • Spotlight Summary by Shakil Rehman

    • Surface plasmon microscopy by spatial light switching for label-free imaging with enhanced resolution
    • Improving resolution in a label-free imaging method is desirable in various fields. Surface plasmons have been used in the field of microscopy to visualize and characterize the underlying physical properties of cells...
    • Opt. Lett. 43(4) 959-962 (2018) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Coded aperture compressive temporal imaging
    • The name of the technique sounds like we are talking about a plant species adapted to a desert life style, the well-known cacti. Here, CACTI stands for Coded Aperture Compressive Temporal Imaging, a novel method to...
    • Opt. Express 21(9) 10526-10545 (2013) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Development of a scalable image formation pipeline for multiscale gigapixel photography
    • Capturing digital images with gigapixel resolution is of great interest in a variety of applications from astronomy to landscape photography, photomicrography, computer graphics and potentially many others. Typically, a...
    • Opt. Express 20(20) 22048-22062 (2012) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Edge enhancement of color images using a digital micromirror device
    • In image processing, edge detection is used for segmentation, classification and identification of objects. Edges are discontinuities in image brightness and represent variations associated with changes in illumination,...
    • Appl. Opt. 51(16) 3439-3444 (2012) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • High-speed scattering medium characterization with application to focusing light through turbid media
    • Seeing through scattering media is a fundamental problem in optics. Scattering in inhomogeneous media are of particular interest in many areas such as acoustics, radiofrequency communications and microscopy. In optics,...
    • Opt. Express 20(2) 1733-1740 (2012) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Clustering-driven residue filter for profile measurement system
    • Precise estimation of the surface profile of an object is a critical task in many industrial applications. It can be achieved by a variety of methods, including contact methods such as stylus-based profile measurement...
    • J. Opt. Soc. Am. A 28(2) 214-221 (2011) View: Abstract | HTML | PDF

Light–Matter Interactions

  • Spotlight Summary by Shakil Rehman

    • Ultraviolet femtosecond Kerr-gated wide-field fluorescence microscopy
    • Observing ultrafast processes requires techniques that are capable of simultaneously resolving spatial features at the nanometer scale and femtosecond time resolution. A time-resolved fluorescence microscopic method is...
    • Opt. Lett. 41(11) 2462-2465 (2016) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • High refractive index immersion liquid for superresolution 3D imaging using sapphire-based aplanatic numerical aperture increasing lens optics
    • Sapphire is one of the hardest substances available, and optical elements made from it have extreme surface hardness, scratch resistance, and a high refractive index of 1.76. Sapphire is used to improve the resolving...
    • Appl. Opt. 55(12) 3165-3169 (2016) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Cross-phase modulation imaging
    • The nonlinearity of the index of refraction is responsible for various effects in optical beam propagation, such as self-phase modulation (spatial and temporal), self-focusing, self-dispersion and self-steepening. These...
    • Opt. Lett. 37(5) 800-802 (2012) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Laterally chromatically dispersed, spectrally encoded interferometer
    • Accurate measurement of a surface profile, achieved by contact- or noncontact-based surface-profile measurement methods, is required in many applications. Some methods used for surface-profile estimation are...
    • Appl. Opt. 50(23) 4574-4580 (2011) View: Abstract | HTML | PDF

Optical Design and Instrumentation

  • Spotlight Summary by Shakil Rehman

    • Reference-free polarization-sensitive quantitative phase imaging using single-point optical phase conjugation
    • Innovations in holography are helping to develop new technologies and applications. Holography is used for quantitative assessment of amplitude and phase of an object, thereby providing a wealth of information, not just...
    • Opt. Express 26(21) 26858-26865 (2018) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Large real-time holographic 3D displays: enabling components and results
    • Viewing a 3D hologram gives you a sense of the real scene created in front of you and a feeling of “being there.” Displaying a hologram on a digital screen traditionally has been a bottleneck due to...
    • Appl. Opt. 56(13) F45-F52 (2017) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • High refractive index immersion liquid for superresolution 3D imaging using sapphire-based aplanatic numerical aperture increasing lens optics
    • Sapphire is one of the hardest substances available, and optical elements made from it have extreme surface hardness, scratch resistance, and a high refractive index of 1.76. Sapphire is used to improve the resolving...
    • Appl. Opt. 55(12) 3165-3169 (2016) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Lensless vision system for in-plane positioning of a patterned plate with subpixel resolution
    • Studying biological processes in living organisms over extended periods sets stringent conditions and limitations on their visualization. The physiological properties of living organisms change over varying time scales...
    • J. Opt. Soc. Am. A 28(12) 2494-2500 (2011) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Laterally chromatically dispersed, spectrally encoded interferometer
    • Accurate measurement of a surface profile, achieved by contact- or noncontact-based surface-profile measurement methods, is required in many applications. Some methods used for surface-profile estimation are...
    • Appl. Opt. 50(23) 4574-4580 (2011) View: Abstract | HTML | PDF

Optics in Biology and Medicine

  • Spotlight Summary by Shakil Rehman

    • Reflective ultrathin light-sheet microscopy with isotropic 3D resolutions
    • Light sheet fluorescence microscopy is a technique used to image an extremely thin section of a biological sample, offering axial resolution ranging from a few hundred nanometers to a few micrometers. Employing a thin...
    • Photon. Res. 12(2) 271-281 (2024) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Untrained deep learning-based differential phase-contrast microscopy
    • Visualizing an optically transparent object is typically achieved by retrieving its phase information that gets lost when one records the intensity of the light in a conventional microscope. Among various methods of...
    • Opt. Lett. 48(13) 3607-3610 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Compact and low-cost deep-ultraviolet microscope system for label-free molecular imaging and point-of-care hematological analysis
    • A fast, cheap and accurate method for blood sample assessment remains elusive at the point-of-care medical facilities. A complete blood count (CBC) test is typically used to measure red blood cells, white blood cells,...
    • Biomed. Opt. Express 14(3) 1245-1255 (2023) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Dual-view oblique plane microscopy (dOPM)
    • Optical microscopy by illuminating a specimen with a thin sheet of light offers advantages like no other microscopic technique. Oblique plane microscopy (OPM) is an innovative form of light sheet microscopy utilizing a...
    • Biomed. Opt. Express 11(12) 7204-7220 (2020) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Backside absorbing layer microscopy: a universal relationship between physical thickness and reflectivity
    • Achieving sub-nanometer axial resolution in wide-field optical microscopy for visualizing monolayers and bio-chemical processes is highly desirable in many fields. The authors of this article have proposed a new...
    • Opt. Express 28(4) 4836-4844 (2020) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Light localization properties of weakly disordered optical media using confocal microscopy: application to cancer detection
    • Light can be trapped in localized modes in some dielectric microstructures that are similar to the localized wave functions of electrons in disordered solids as described by Anderson localization. Such a phenomenon is...
    • Opt. Express 25(13) 15428-15440 (2017) View: Abstract | HTML | PDF

  • Spotlight Summary by Shakil Rehman

    • Single-beam phase-modulated stimulated Raman scattering microscopy with spectrally focused detection
    • How do you image at the molecular level without disturbing the natural state of a system? Try stimulated Raman spectroscopy (SRS)—a label-free imaging method for a real-time, non-perturbing way of looking at cells and...
    • J. Opt. Soc. Am. B 34(5) 1004-1015 (2017) View: Abstract | HTML | PDF

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