Dr. Dolendra Karki Profile

Dr. Dolendra Karki

at Univ of Pittsburgh

SPIE Involvement:

Author

Publications (8)

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

Read Abstract +

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

Read Abstract +

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

Read Abstract +

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

Read Abstract +

Proceedings Article | 27 May 2022 Presentation + Paper

Robotic fiber optic internal deployment tool for pipeline integrity monitoring

Nageswara Lalam, Ibrahiim Syed, Dolendra Karki, Kent Weisenberg, Ruishu Wright, Paul Ohodnicki

Proceedings Volume 12105, 1210504 (2022) https://doi.org/10.1117/12.2619045

KEYWORDS: Fiber optics, Robotics, Optical fiber cables, Optical fibers, Temperature metrology, Sensing systems, Fiber optics sensors, Rayleigh scattering

Read Abstract +

Proceedings Article | 27 May 2022 Presentation + Paper

Machine vision approach of process control during single crystal fiber growth via laser heated pedestal growth method

Dolendra Karki, Edward Hoffman, Dong Shengye, Victoria Taylor Schmotzer, Bo Liu, Paul Ohodnicki

Proceedings Volume 12105, 1210508 (2022) https://doi.org/10.1117/12.2618538

KEYWORDS: Laser stabilization, Crystals, Process control, Machine vision, Feedback loops, LabVIEW, Fiber optics sensors

Read Abstract +

Proceedings Article | 27 May 2022 Presentation + Paper

Fiber-optic sensor packaging assessment and benchmarking for embedded sensing applications

Dolendra Karki, Christopher Smith, Joseph Damian, Kayte Denslow, Glenn Grant, Jung-Kun Lee, Paul Ohodnicki

Proceedings Volume 12105, 1210505 (2022) https://doi.org/10.1117/12.2618492

KEYWORDS: Fiber optics sensors, Optical fibers, Fiber optics, Nondestructive evaluation, Structural health monitoring, Optical fiber cables, Fiber coatings

Read Abstract +

Proceedings Article | 12 April 2021 Presentation + Paper

Fabrication and application of single crystal fiber via laser heated pedestal growth system

B. Liu, D. Karki, S. Bera, P. Ohodnicki

Proceedings Volume 11739, 1173903 (2021) https://doi.org/10.1117/12.2586173

KEYWORDS: Laser crystals, Fiber lasers, Crystals, Laser development, Biological and chemical sensing, Imaging spectroscopy, High power lasers, Environmental sensing, Control systems

Read Abstract +

Showing 5 of 8 publications

View contact details

UPDATE YOUR PROFILE

Is this your profile? Update it now.

Sign into your SPIE.org account

Don’t have a profile and want one?

Create an account on SPIE.org

Keywords/Phrases

Search In:

Publication Years