Dr. Pankaj Kadwani Profile

Dr. Pankaj Kadwani

Scientist at IPG Photonics Corp

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Author

Publications (20)

Proceedings Article | 4 March 2022 Presentation + Paper

100W collinear optical parametric amplifier pumped by the second harmonic of a picosecond Yb-fiber laser

Pancho Tzankov, Valeriy Kasyanenko, Philippe Hering, Pankaj Kadwani, Alex Limanov, Jimyung Kim, Alexey Avdokhin, Igor Samartsev, Valentin Gapontsev

Proceedings Volume 11985, 119850E (2022) https://doi.org/10.1117/12.2608357

KEYWORDS: Crystals, Fiber lasers, Mirrors, Picosecond phenomena, Second-harmonic generation, Optical amplifiers, Nonlinear crystals, Photonic crystals, Laser optics, Absorption

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Proceedings Article | 27 February 2015 Paper

High average power quasi-CW single-mode green and UV fiber lasers

Alexey Avdokhin, Valentin Gapontsev, Pankaj Kadwani, Andreas Vaupel, Igor Samartsev, Nicholai Platonov, Alex Yusim, Daniil Myasnikov

Proceedings Volume 9347, 934704 (2015) https://doi.org/10.1117/12.2185614

KEYWORDS: Fiber lasers, Second-harmonic generation, Ultraviolet radiation, Crystals, Raman spectroscopy, Laser crystals, Continuous wave operation, Fiber amplifiers, Optical amplifiers, Semiconductor lasers

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Proceedings Article | 20 February 2014 Paper

SM green fiber laser operating in CW and QCW regimes and producing over 550W of average output power

Valentin Gapontsev, Alexey Avdokhin, Pankaj Kadwani, Igor Samartsev, Nikolai Platonov, Roman Yagodkin

Proceedings Volume 8964, 896407 (2014) https://doi.org/10.1117/12.2058733

KEYWORDS: Fiber lasers, Second-harmonic generation, Continuous wave operation, Fiber amplifiers, Crystals, Laser crystals, Laser applications, Laser systems engineering, Semiconductor lasers

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Proceedings Article | 22 March 2013 Paper

Chirped pulse amplification in Tm doped fiber using a chirped Bragg grating

Robert Andrew Sims, Pankaj Kadwani, Lawrence Shah, Martin Richardson

Proceedings Volume 8601, 86012P (2013) https://doi.org/10.1117/12.2004112

KEYWORDS: Fiber Bragg gratings, Mode locking, Thulium, Fiber lasers, Oscillators, Phase modulation, Fiber amplifiers, Optical isolators, Femtosecond phenomena, Solitons

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Proceedings Article | 22 March 2013 Paper

Peak power scaling in Tm doped fiber lasers to MW-level

Christian Gaida, Martin Gebhardt, Pankaj Kadwani, Lasse Leick, Jes Broeng, Lawrence Shah, Martin Richardson

Proceedings Volume 8601, 86012Y (2013) https://doi.org/10.1117/12.2004467

KEYWORDS: Thulium, Fiber lasers, Mirrors, Oscillators, Reflectivity, Amplifiers, Diffraction, Optical amplifiers, Cladding, Photonics

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Proceedings Article | 9 March 2013 Paper

Silicon backside machining using a nanosecond 2-µm Tm:fiber laser

Lawrence Shah, Tobias Bonhoff, Thomas Ferhat, Ashraf El-Sherif, Mark Ramme, Christina C. Willis, Matthieu Baudelet, Pankaj Kadwani, Christian Gaida, Martin Gebhardt, Ilya Mingareev, Martin Richardson

Proceedings Volume 8612, 861207 (2013) https://doi.org/10.1117/12.2004878

KEYWORDS: Silicon, Semiconductor lasers, Semiconducting wafers, Oscillators, Laser ablation, Pulsed laser operation, Laser damage threshold, Laser applications, Laser systems engineering, Optical parametric oscillators

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Proceedings Article | 7 May 2012 Paper

CW and pulsed performance of Tm-doped photonic crystal fiber lasers

Pankaj Kadwani, R. Andrew Sims, Lasse Leick, Jes Broeng, Lawrence Shah, Martin Richardson

Proceedings Volume 8381, 83811F (2012) https://doi.org/10.1117/12.925408

KEYWORDS: Fiber lasers, Q switching, Thulium, Photonic crystal fibers, Continuous wave operation, Oscillators, Cladding, Mirrors, Pulsed laser operation, Polarization

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Proceedings Article | 7 May 2012 Paper

Modal properties of photonic crystal fiber for high-power two micron fiber laser systems

C. Jollivet, T. Alkeskjold, L. Leick, P. Kadwani, R. Sims, L. Shah, M. Richardson, R. Amezcua Correa, A. Schülzgen

Proceedings Volume 8381, 838105 (2012) https://doi.org/10.1117/12.921585

KEYWORDS: Fiber lasers, Laser systems engineering, Fourier transforms, Photonic crystal fibers, Cladding, Neodymium, Optical fibers, Ions, Photonic crystals, Laser development

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Proceedings Article | 7 May 2012 Paper

Integrated 100 W thulium fiber MOPA system

Lawrence Shah, R. Andrew Sims, Pankaj Kadwani, Christina C. Willis, Joshua Bradford, Zachary Roth, Aaron Pung, Menelous Poutous, Eric Johnson, Martin Richardson

Proceedings Volume 8381, 83810Z (2012) https://doi.org/10.1117/12.925411

KEYWORDS: Phase modulation, Oscillators, Fiber lasers, Fiber amplifiers, Optical amplifiers, Polarization, Optical isolators, Thulium, System integration, Amplifiers

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Proceedings Article | 16 February 2012 Paper

Q switched PM Tm: fiber laser oscillator for mid-IR generation

Pankaj Kadwani, R. Andrew Sims, Lawrence Shah, Martin Richardson

Proceedings Volume 8237, 82373G (2012) https://doi.org/10.1117/12.909332

KEYWORDS: Fiber lasers, Oscillators, Thulium, Q switching, Q switched fiber lasers, Phase modulation, Mid-IR, Photonics, Cladding, Laser applications

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Proceedings Article | 16 February 2012 Paper

Integrated 100-W polarized narrow linewidth thulium fiber MOPA system

Lawrence Shah, R. Andrew Sims, Pankaj Kadwani, Christina C. Willis, Joshua Bradford, Zachary Roth, Aaron Pung, Menelaos Poutous, Eric Johnson, Martin Richardson

Proceedings Volume 8237, 82371M (2012) https://doi.org/10.1117/12.909292

KEYWORDS: Oscillators, Phase modulation, Optical amplifiers, Polarization, Diodes, Amplifiers, Thulium, Fiber lasers, Fiber amplifiers, High power fiber amplifiers

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Proceedings Article | 16 February 2012 Paper

Lasing in thulium doped polarizing photonic crystal fibers (PCF)

Pankaj Kadwani, Norbert Modsching, R. Andrew Sims, Lasse Leick, Jes Broeng, Lawrence Shah, Martin Richardson

Proceedings Volume 8237, 82372Z (2012) https://doi.org/10.1117/12.909440

KEYWORDS: Thulium, Polarization, Cladding, Absorption, Fiber lasers, Oscillators, Photonic crystal fibers, Optical pumping, Mid-IR, Laser systems engineering

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Proceedings Article | 7 February 2012 Paper

High-power transmission characterization of Chalcogenide glasses using a Tm:fiber laser system

Pankaj Kadwani, Joshua Bradford, R. Andrew Sims, David Musgraves, Kathleen Richardson, Lawrence Shah, Martin Richardson

Proceedings Volume 8239, 82390A (2012) https://doi.org/10.1117/12.909505

KEYWORDS: Silica, High power lasers, Chalcogenide glass, Laser systems engineering, Selenium, Fiber lasers, Semiconductor lasers, Near infrared, Thermal optics, Absorption

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Proceedings Article | 4 June 2011 Paper

Generation and amplification of femtosecond pulses in Tm:fiber

R. Andrew Sims, Pankaj Kadwani, Lawrence Shah, Martin Richardson

Proceedings Volume 8039, 80390K (2011) https://doi.org/10.1117/12.886422

KEYWORDS: Oscillators, Raman spectroscopy, Thulium, Mode locking, Solitons, Fiber lasers, Optical amplifiers, Femtosecond phenomena, Optical filters, Fiber amplifiers

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Proceedings Article | 26 May 2011 Paper

Atmospheric gas detection using broadband mid-IR thulium fiber-based sources

Pankaj Kadwani, Robert Sims, Jeffrey Chia, Falah Altal, Lawrence Shah, Martin Richardson

Proceedings Volume 8039, 80390L (2011) https://doi.org/10.1117/12.887020

KEYWORDS: Superluminescent sources, Carbon dioxide, Absorption, Atmospheric sensing, Atmospheric optics, Raman spectroscopy, Optical amplifiers, Thulium, Mid-IR, Optical components

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Proceedings Article | 22 February 2011 Paper

Generation and amplification of 350 fs, 2 µm pulses in Tm:fiber

R. Andrew Sims, Pankaj Kadwani, Lawrence Shah, Martin Richardson

Proceedings Volume 7914, 79141L (2011) https://doi.org/10.1117/12.877765

KEYWORDS: Oscillators, Raman spectroscopy, Amplifiers, Thulium, Mode locking, Dispersion, Fiber lasers, Optical filters, Picosecond phenomena, Modulation

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Proceedings Article | 10 February 2011 Paper

Atmospheric absorption spectroscopy using Tm: fiber sources around two microns

Pankaj Kadwani, Jeffrey Chia, Faleh Altal, Robert Sims, Christina Willis, Lawrence Shah, Dennis Killinger, Martin Richardson

Proceedings Volume 7924, 79240L (2011) https://doi.org/10.1117/12.875167

KEYWORDS: Raman spectroscopy, Carbon dioxide, Absorption, Superluminescent sources, Thulium, Fiber amplifiers, Optical amplifiers, Absorption spectroscopy, Oscillators, Optical fibers

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Proceedings Article | 17 February 2010 Paper

Atmospheric propagation testing with a high power, tunable thulium fiber laser system

Timothy McComb, Lawrence Shah, R. Andrew Sims, Christina C. Willis, Pankaj Kadwani, Vikas Sudesh, Martin Richardson

Proceedings Volume 7578, 75781G (2010) https://doi.org/10.1117/12.842378

KEYWORDS: Atmospheric propagation, Fiber lasers, Thulium, Molybdenum, Laser systems engineering, Optical amplifiers, Quantum efficiency, YAG lasers, Oscillators, Atmospheric modeling

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Proceedings Article | 17 February 2010 Paper

Spectral beam combining of thulium fiber laser systems

R. Andrew Sims, Christina C. Willis, Pankaj Kadwani, Timothy McComb, Lawrence Shah, Vikas Sudesh, Zachary Roth, Menelaos Poutous, Eric Johnson, Martin Richardson

Proceedings Volume 7580, 75801Q (2010) https://doi.org/10.1117/12.842500

KEYWORDS: Fiber lasers, Diffraction gratings, Oscillators, Laser systems engineering, Fiber amplifiers, Optical amplifiers, YAG lasers, Thulium, Silica, Metals

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Proceedings Article | 17 February 2010 Paper

High-energy Q-switched Tm3+-doped polarization maintaining silica fiber laser

Christina C. Willis, Lawrence Shah, Matthieu Baudelet, Pankaj Kadwani, Timothy McComb, R. Andrews Sims, Vikas Sudesh, Martin Richardson

Proceedings Volume 7580, 758003 (2010) https://doi.org/10.1117/12.843003

KEYWORDS: Fiber lasers, Laser induced breakdown spectroscopy, Q switched lasers, Copper, Mirrors, Polarization, YAG lasers, Thulium, Laser systems engineering, Fiber Bragg gratings

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Showing 5 of 20 publications

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