1. M. Shahidul Islam

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    1. Mentioned In 7 Articles

    2. OCT intensity and phase fluctuations correlated with activity-dependent neuronal calcium dynamics in the Drosophila CNS [Invited]

      OCT intensity and phase fluctuations correlated with activity-dependent neuronal calcium dynamics in the Drosophila CNS [Invited]
      Phase-resolved OCT and fluorescence microscopy were used simultaneously to examine stereotypic patterns of neural activity in the isolated Drosophila central nervous system. Both imaging modalities were focused on individually identified bursicon neurons known to be involved in a fixed action pattern initiated by ecdysis-triggering hormone. We observed clear correspondence of OCT intensity, phase fluctuations, and activity-dependent calcium-induced fluorescence.
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    3. Investigation of Biodegradable Composite Coated Magnesium Alloy Using Optical Coherence Tomography

      Investigation of Biodegradable Composite Coated Magnesium Alloy Using Optical Coherence Tomography
      Optical coherence tomography (OCT) was used to characterize poly (lactic-co-glycolic acid) (PLGA) and nanophase hydroxyapatite (nHA) / PLGA coatings on magnesium (Mg) substrates before and after immersion in revised simulated body fluid (rSBF) under standard cell culture conditions. The OCT images clearly showed: the surface of the coatings, the metallic surface underneath the coatings, the presence of a dispersed phase within the polymer matrix, and defects and structural changes to the ...
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    4. Feature Of The Week 10/28/12: UC Riverside Presents GPU Accelerated Real-Time Multi-Functional SD-OCT system at 1300nm

      Feature Of The Week 10/28/12: UC Riverside Presents GPU Accelerated Real-Time Multi-Functional SD-OCT system at 1300nm
      We present a GPU accelerated multi-functional spectral domain optical coherence tomography system at 1300nm. The system is capable of real-time processing and display of every intensity image, comprised of 512 pixels by 2048 A-lines acquired at 20 frames per second. The update rate for all four images with size of 512 pixels by 2048 A-lines simultaneously (intensity, phase retardation, flow and en face view) is approximately 10 frames per second ...
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    5. In vivo detection of cortical optical changes associated with seizure activity with optical coherence tomography

      In vivo detection of cortical optical changes associated with seizure activity with optical coherence tomography
      The most common technology for seizure detection is with electroencephalography (EEG), which has low spatial resolution and minimal depth discrimination. Optical techniques using near-infrared (NIR) light have been used to improve upon EEG technology and previous research has suggested that optical changes, specifically changes in near-infrared optical scattering, may precede EEG seizure onset in in vivo models. Optical coherence tomography (OCT) is a high resolution, minimally invasive imaging technique, which ...
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    6. GPU accelerated real-time multi-functional spectral-domain optical coherence tomography system at 1300nm

      GPU accelerated real-time multi-functional spectral-domain optical coherence tomography system at 1300nm
      We present a GPU accelerated multi-functional spectral domain optical coherence tomography system at 1300nm. The system is capable of real-time processing and display of every intensity image, comprised of 512 pixels by 2048 A-lines acquired at 20 frames per second. The update rate for all four images with size of 512 pixels by 2048 A-lines simultaneously (intensity, phase retardation, flow and en face view) is approximately 10 frames per second ...
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    7. Extracting structural features of rat sciatic nerve using polarization-sensitive spectral domain optical coherence tomography

      Extracting structural features of rat sciatic nerve using polarization-sensitive spectral domain optical coherence tomography
      We present spectral domain polarization-sensitive optical coherence tomography (SD PS-OCT) imaging of peripheral nerves. Structural and polarization-sensitive OCT imaging of uninjured rat sciatic nerves was evaluated both qualitatively and quantitatively. OCT and its functional extension, PS-OCT, were used to image sciatic nerve structure with clear delineation of the nerve boundaries to muscle and adipose tissues. A long-known optical effect, bands of Fontana, was also observed. Postprocessing analysis of these images ...
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  2. About M. Shahidul Islam

    M. Shahidul Islam

    M. Shahidul Islam received his B.S. degree in Electrical and Electronic Engineering from Bangladesh University of Engineering & Technology in 2007 and completed his Ph.D. in Bioengineering from University of California, Riverside in 2013. In graduate school, under Prof. Hyle Park's supervision, his research was focused on phase-sensitive spectral domain optical coherence tomography for structural and functional neuroimaging. Later in 2013, Shahid joined the OCT team at Thorlabs, Inc. as the advanced imaging applications engineer. Currently he focuses on advanced applications of Thorlabs OCT product lines and is actively involved in MEMS-VCSEL technology development projects. Shahid was one of the four winners of Student Research Grant award from American Society for Laser Medicine and Surgery (ASLMS) in 2011.