Dr. Khurram Naeem Profile

Dr. Khurram Naeem

Research Faculty at Univ of Pittsburgh

SPIE Involvement:

Author

Area of Expertise:

Fiber optics , Fiber sensors , Photonics , Photonic crystal fiber , Fiber lasers , Nanophotonics

Publications (16)

Proceedings Article | 4 October 2023 Presentation + Paper

Plasmonic and interferometric optical fiber sensors for electrical system monitoring applications

P. Ohodnicki, Y. Su, D. Karki, T. Khanikar, K. Naeem, N. Lalam, J. Wuenschell, M. Buric, R. Wright

Proceedings Volume 12647, 126470H (2023) https://doi.org/10.1117/12.2677290

KEYWORDS: Sensors, Fiber optics sensors, Transformers, Acoustics, Magnetism, Chemical analysis, Acetylene, Magnetic sensors, Plasmonics, Vibration

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Proceedings Article | 13 June 2023 Presentation + Paper

Development and pilot-scale demonstration of optical frequency domain reflectometry (OFDR) for gas pipeline monitoring

Matthew Brister, Khurram Naeem, Nageswara Lalam, Paul Ohodnicki, Ruishu Wright

Proceedings Volume 12532, 125320B (2023) https://doi.org/10.1117/12.2665077

KEYWORDS: Mach Zehnder interferometers, Temperature metrology, Signal processing, Optical fibers, Signal detection, Pipes, Optical sensing, Reflectometry, Spatial resolution, Reflection

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Proceedings Article | 13 June 2023 Presentation + Paper

High-sensitivity distributed pipelines infrastructure monitoring with internal deployed fibers and Rayleigh enhancement

Khurram Naeem, Nageswara Lalam, Dolendra Karki, Tulika Khanikar, Ruishu Wright, Andy Gillooly, Kent Weisenberg, Ping Lu, Paul Westbrook, Paul Ohodnicki

Proceedings Volume 12532, 125320J (2023) https://doi.org/10.1117/12.2665058

KEYWORDS: Signal to noise ratio, Acoustics, Optical fibers, Metals, Single mode fibers, Optical sensing, Ferroelectric materials, Structural health monitoring, Fiber optics sensors, Data acquisition

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Proceedings Article | 13 June 2023 Presentation + Paper

Optimization of the fourth self-imaging spectral response in magnetic fluid cladded-MMI fiber optic sensor for magnetometry

Dolendra Karki, Tulika Khanikar, Khurram Naeem, Nageswara Lalam, Paul Ohodnicki

Proceedings Volume 12532, 125320K (2023) https://doi.org/10.1117/12.2664107

KEYWORDS: Magnetic sensors, Refractive index, Absorption, Fiber optics sensors, Spectral response, Nanoparticles, Multimode interference devices, Refractometry, Magnetometry, Magnetooptics

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Proceedings Article | 13 June 2023 Presentation + Paper

Nuclear canister integrity monitoring using quasi-distributed fiber acoustic sensors and physics-based modeling

P. Ohodnicki, E. Sarcinelli, P. Zhang, K. Naeem, D. Karki, R. Meyer, N. Lalam, R. Wright

Proceedings Volume 12532, 125320I (2023) https://doi.org/10.1117/12.2665084

KEYWORDS: Acoustics, Fiber optics sensors, Corrosion, Vibration, Modeling, Sensors, Finite element methods, Structural health monitoring, Optical sensing, Waveguides

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Proceedings Article | 3 October 2022 Presentation + Paper

Germano-borate glasses containing high Dy3+ ion concentrations for Faraday device applications at 1550 nm

Linganna Kadathala, Ryu Yongtak, Khurram Naeem, Seongmin Ju, Won-Taek Han, Bok Hyeon Kim

Proceedings Volume 12229, 122290C (2022) https://doi.org/10.1117/12.2642924

KEYWORDS: Glasses, Dysprosium, Ions, Magneto-optics, Near infrared, Optical properties, Thermal analysis

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Proceedings Article | 23 April 2017 Paper

Distributed section-localization of an impact in a composite cylinder using the phase-sensitive optical time domain reflectometer

Khurram Naeem, Yong-seok Kwon, Il-Bum Kwon

Proceedings Volume 10323, 103239F (2017) https://doi.org/10.1117/12.2267568

KEYWORDS: Signal to noise ratio, Spatial resolution, Fiber Bragg gratings, Data acquisition, Signal processing, Composites, Reflectometry, Signal detection, Optical fibers, Structural health monitoring

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Proceedings Article | 23 April 2017 Paper

Effect of parameters in moving average method for event detection enhancement using phase sensitive OTDR

Yong-Seok Kwon, Khurram Naeem, Min Yong Jeon, Il-bum Kwon

Proceedings Volume 10323, 103238Y (2017) https://doi.org/10.1117/12.2267465

KEYWORDS: Acoustics, Single mode fibers, Signal processing, Signal to noise ratio, Data acquisition, Signal detection, Reflectometry, Semiconductor lasers, Semiconductor optical amplifiers, Fiber Bragg gratings

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Proceedings Article | 28 September 2015 Paper

Torsion sensing characteristics of a highly birefringent photonic crystal fiber with two asymmetric cores in the Sagnac loop

Khurram Naeem, Bok Hyeon Kim, Youngjoo Chung

Proceedings Volume 9634, 96347K (2015) https://doi.org/10.1117/12.2194678

KEYWORDS: Photonic crystal fibers, Laser imaging, Birefringence, Visibility, Interferometers, Multiplexing, Spatial frequencies, Beam splitters, Optical fibers, Polarization

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Proceedings Article | 1 July 2015 Paper

Temperature sensitivity of the inline interferometer based on a two-core photonic crystal fiber selectively filled with polymer

Khurram Naeem, Bok Hyeon Kim, Bongkyun Kim, Youngjoo Chung

Proceedings Volume 9655, 96552G (2015) https://doi.org/10.1117/12.2184257

KEYWORDS: Polymers, Cladding, Photonic crystal fibers, Temperature metrology, Temperature sensors, Thermal optics, Polarization, Polymeric sensors, Interferometers, Mach-Zehnder interferometers

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Proceedings Article | 1 July 2015 Paper

All-fiber Sagnac loop hybrid interferometer based on a highly birefringent photonic crystal fiber with two asymmetric cores and its sensing applications

Khurram Naeem, Bok Hyeon Kim, Bongkyun Kim, Youngjoo Chung

Proceedings Volume 9655, 96551X (2015) https://doi.org/10.1117/12.2184255

KEYWORDS: Phase shifts, Interferometers, Photonic crystal fibers, Birefringence, Temperature metrology, Laser imaging, Beam splitters, Fourier transforms, Polarization, Fiber couplers

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Proceedings Article | 2 June 2014 Paper

Strain and temperature sensing characteristics of asymmetric-twin-core PCF-based hybrid Mach-Zehnder interferometer

Khurram Naeem, Bongkyun Kim, Youngjoo Chung

Proceedings Volume 9157, 915712 (2014) https://doi.org/10.1117/12.2059248

KEYWORDS: Interferometers, Mach-Zehnder interferometers, Polarization, Single mode fibers, Temperature metrology, Photonic crystal fibers, Spatial frequencies, Refractive index, Superposition, Fourier transforms

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Proceedings Article | 11 March 2013 Paper

Versatile chemical molecule sensing using multi-wavelength fiber laser based on inter-core interference in twin-core photonic crystal fiber

Bongkyun Kim, Khurram Naeem, Jihee Han, Youngjoo Chung

Proceedings Volume 8621, 86210J (2013) https://doi.org/10.1117/12.2005356

KEYWORDS: Fiber lasers, Molecules, Linear filtering, Photonic crystal fibers, Biological and chemical sensing, Molecular lasers, Molecular photonics, Photonic crystals, Light-matter interactions, Polarization

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Proceedings Article | 7 November 2012 Paper

Inline Mach-Zehnder interferometer using liquid filled twin-core photonic crystal fiber with high strain sensitivity.

Khurram Naeem, Bongkyun Kim, Jihee Han, Youngjoo Chung

Proceedings Volume 8421, 842179 (2012) https://doi.org/10.1117/12.975174

KEYWORDS: Liquids, Mach-Zehnder interferometers, Photonic crystal fibers, Refractive index, Bioalcohols, Polarization, Fusion splicing, Optical sensors, Optical components, Single mode fibers

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Proceedings Article | 7 November 2012 Paper

Chemical vapor sensing properties of twin-core photonic crystal fiber based in-reflection interferometer

Bongkyun Kim, Khurram Naeem, Jihee Han, Youngjoo Chung

Proceedings Volume 8421, 84216J (2012) https://doi.org/10.1117/12.975244

KEYWORDS: Interferometers, Photonic crystal fibers, Molecules, Bioalcohols, Biological and chemical sensing, Single mode fibers, Atmospheric propagation, Photonic crystals, Sensors, Silica

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Proceedings Article | 7 November 2012 Paper

Temperature and strain response of Michelson interferometer with asymmetric two-core photonic crystal fiber

Jihee Han, Bongkyun Kim, Khurram Naeem, Youngjoo Chung

Proceedings Volume 8421, 84217D (2012) https://doi.org/10.1117/12.975198

KEYWORDS: Michelson interferometers, Temperature metrology, Photonic crystal fibers, Single mode fibers, Polarization, Cladding, Fusion splicing, Photomicroscopy, Scanning electron microscopy, Interferometers

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Showing 5 of 16 publications

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