Search Results - "Abdulhalim, I"
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Sensitivity-enhancement methods for surface plasmon sensors
Published in Laser & photonics reviews (01-07-2011)“…Surface plasmon resonance (SPR) sensors have been a mature technology for more than two decades now, however, recent investigations show continuous enhancement…”
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2
Sensitivity enhancement of guided-wave surface-plasmon resonance sensors
Published in Optics letters (01-11-2008)“…It is demonstrated theoretically and experimentally that, by using the guided-wave surface-plasmon sensor configuration with a top layer of dielectric thin…”
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3
Spatial and temporal coherence effects in interference microscopy and full-field optical coherence tomography
Published in Annalen der Physik (01-12-2012)“…Low‐coherence optical microscopy or optical coherence microscopy uses light with short coherence length. The well‐known case is: “white‐light interferometry”,…”
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4
Liquid crystal Lyot tunable filter with extended free spectral range
Published in Optics express (06-07-2009)“…Extension of the dynamic range of liquid crystal tunable Lyot filter is demonstrated by incorporating with it a liquid crystal variable retarder as an…”
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5
Optimized guided mode resonant structure as thermooptic sensor and liquid crystal tunable filter
Published in Chinese optics letters (10-08-2009)Get full text
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6
Tunable optical filter having a large dynamic range
Published in Optics letters (15-07-2009)“…A novel (to our knowledge) concept for a tunable birefringent filter with a high dynamic range is proposed and demonstrated by using a stack of liquid-crystal…”
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7
Polarization independent birefringent Fabry–Perot etalon having polarization conversion mirrors
Published in Optics communications (01-08-2009)“…Polarization independent operation of birefringent Fabry–Perot etalon is proposed using polarization conversion mirrors (PCMs) as the cavity mirrors. PCMs,…”
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8
Does human skin truly behave as an array of helical antennae in the millimeter and terahertz wave ranges?
Published in Optics letters (01-10-2010)“…The sweat ducts of the human perspiration system are helically shaped tubes, filled with a conductive aqueous solution. Recent studies have claimed that these…”
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9
Sensitivity of surface plasmon resonance sensors based on metallic columnar thin films in the spectral and angular interrogations
Published in Sensors and actuators. B, Chemical (28-11-2011)“…Surface Plasmon Resonance (SPR) from metallic Columnar Thin Films (CTFs) of porosity as high as 0.5 was experimentally and theoretically investigated. The CTF…”
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10
Fast surface plasmon resonance imaging sensor using Radon transform
Published in Sensors and actuators. B, Chemical (05-07-2011)“…Surface plasmon resonance (SPR) imaging technique is proposed in which a diverging laser beam at given frequency was used to illuminate the entire sensor…”
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11
Mortality Among COVID-19 Patients in the Intensive Care Unit (ICU): A Single-Centre Study from a Malaysian Perspective
Published in International journal of infectious diseases (01-03-2022)“…This study investigated the prevalence of mortality among COVID-19 patients admitted to an intensive care unit (ICU) at a single centre hospital in Klang…”
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12
Infrared to visible image up-conversion using optically addressed spatial light modulator utilizing liquid crystal and InGaAs photodiodes
Published in Applied physics letters (11-01-2016)“…Combination of InGaAs/InP heterojunction photodetector with nematic liquid crystal (LC) as the electro-optic modulating material for optically addressed…”
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13
Polarized optical filtering from general linearly twisted structures
Published in Optics communications (01-11-2006)“…It is shown that a stack of linearly twisted birefringent plates with arbitrary successive twist angle acts as a spectral filter assuming the total twist…”
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14
Permanent photoalignment of liquid crystals on nanostructured chalcogenide glassy thin films
Published in Applied physics letters (14-02-2011)“…Photoalignment of nematic liquid crystals is obtained on the chalcogenide glassy thin film of As 2 S 3 using irradiation with polarized blue light. A uniform…”
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15
Approximate analytic solutions for the director profile of homogeneously aligned nematic liquid crystals
Published in Liquid crystals (01-02-2010)“…Simple analytic solutions to the equations governing the nematic liquid crystal director profiles under an external voltage and arbitrary anchoring energy,…”
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16
Sensor with increased sensitivity based on enhanced optical transmission in the infrared
Published in Optics communications (01-03-2011)“…Using enhanced optical transmission (EOT) through periodic nanoslits in thin metal films we demonstrate sensing in water with highly enhanced sensitivity in…”
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17
Omnidirectional reflection from Fibonacci quasi-periodic one-dimensional photonic crystal
Published in Optics communications (01-11-2001)“…It is shown that omnidirectional reflection (ODR) is possible from quasi-periodic isotropic dielectric stacks following a Fibonacci sequence (FS). The…”
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18
Prism dispersion effects in near-guided-wave surface plasmon resonance sensors
Published in Annalen der Physik (01-11-2012)“…Refractive index dispersion causes the light line to curve. As a result it is shown that when the prism is dispersive, an additional dip in the spectral…”
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19
Multilayered scattering reference mirror for full field optical coherence tomography with application to cell profiling
Published in Optics communications (15-10-2010)“…A multilayered scattering structure is proposed and demonstrated as a reference mirror for use with full field optical coherence tomography (FF-OCT) to…”
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20
Neural network classifier of hyperspectral images of skin pathologies
Published in Kompʹûternaâ optika (01-12-2021)“…The paper presents results of using a neural network classifier to analyze images of malignant skin lesions obtained using a hyper-spectral camera. Using a…”
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