Prof. Almantas Galvanauskas Profile

Prof. Almantas Galvanauskas

Professor at Univ of Michigan

SPIE Involvement:

Author

Publications (20)

Proceedings Article | 13 March 2024 Presentation

Presentation

Ultra-broadband coherent pulse stacking of Yb fiber amplified ultrashort pulses

Tong Zhou, Lauren Cooper, Qiang Du, Dan Wang, Mathew Whittlesey, John Ruppe, Siyun Chen, Deepak Sapkota, Mahek Logantha, Jean-Luc Vay, Derun Li, Carl Schroeder, Jeroen van Tilborg, Eric Esarey, Russell Wilcox, Almantas Galvanauskas, Cameron Geddes

Proceedings Volume PC12865, PC1286503 (2024) https://doi.org/10.1117/12.3003174

KEYWORDS: Ultrafast phenomena, Fiber amplifiers, Ytterbium, Fiber lasers, Beam path, Mirrors, Laser applications, Interferometers, Commercial off the shelf technology

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Proceedings Article | 9 March 2023 Presentation

Presentation

All-fiber integrated 85um core chirally-coupled core fiber high energy amplifiers for compact coherently combined laser arrays

Mingshu Chen, Alexander Rainville, Manoj Kanskar, Jim Zhang, Ossi Kimmelma, Arto Nieminen, Donald Sipes, Brian Schulz, Carson Shollenbarger, Tong Zhou, Russell Wilcox, Almantas Galvanauskas

Proceedings Volume 12400, 124000I (2023) https://doi.org/10.1117/12.2650915

KEYWORDS: Fiber amplifiers, Current controlled current source, Fiber lasers, Optical amplifiers, Ultrafast phenomena, Structured optical fibers, Pulsed laser operation, Prototyping, Plasma generation, Plasma

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Proceedings Article | 5 March 2021 Presentation

Presentation

Demonstration of complete gain-narrowing compensation for 100fs duration pulses with ~30nm bandwidth in Yb-doped fiber amplifier system with up to 150dB of total multi-stage gain

Siyun Chen, Mathew Whittlesey, Yifan Cui, Russell Wilcox, Almantas Galvanauskas

Proceedings Volume 11665, 1166514 (2021) https://doi.org/10.1117/12.2583328

KEYWORDS: Fiber amplifiers, Ultrafast phenomena, Optical filters, Amplifiers, Linear polarizers, Linear filtering, Electronic filtering, Control systems

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Proceedings Article | 14 March 2018 Presentation

Presentation

Near-complete stored energy extraction from fiber amplifiers in ultrashort >10mJ energy pulses using coherent pulse stacking amplification (Conference Presentation)

Hanzhang Pei, John Ruppe, Siyun Chen, Morteza Sheikhsofla, John Nees, Yawei Yang, Russell Wilcox, Wim Leemans, Almantas Galvanauskas

Proceedings Volume 10512, 1051209 (2018) https://doi.org/10.1117/12.2291303

KEYWORDS: Fiber amplifiers, Femtosecond phenomena, Modulation, Mode locking, Oscillators, Electrooptic modulators, Multiplexing, Ultrafast phenomena

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Proceedings Article | 26 February 2018 Presentation + Paper

Presentation + Paper

Narrowband transverse-modal-instability (TMI)-free Yb-doped fiber amplifiers for directed energy applications

M. Kanskar, J. Zhang, J. Koponen, O. Kimmelma, V. Aallos, I-Ning Hu, A. Galvanauskas

Proceedings Volume 10512, 105120F (2018) https://doi.org/10.1117/12.2291253

KEYWORDS: Fiber amplifiers, Directed energy weapons, Fiber couplers, Complex systems, Laser scattering, Scattering, Continuous wave operation, Laser damage threshold, Rayleigh scattering

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Proceedings Article | 21 April 2017 Presentation

Presentation

Multi-mJ energy extraction using Yb-fiber based coherent pulse stacking amplification of fs pulses (Conference Presentation)

John Ruppe, Hanzhang Pei, Siyun Chen, Morteza Sheikhsofla, Russell Wilcox, John Nees, Almantas Galvanauskas

Proceedings Volume 10083, 1008303 (2017) https://doi.org/10.1117/12.2253464

KEYWORDS: Current controlled current source, Standards development, Fiber amplifiers, Mode locking, Electrooptic modulators, Amplifiers, Multiplexing, Oscillators, Diffraction gratings, Modulation

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Proceedings Article | 22 March 2013 Paper

Paper

3C Yb-doped fiber based high energy and power pulsed fiber lasers

Thomas Sosnowski, Andrey Kuznetsov, Robert Maynard, Xiuquan Ma, Cheng Zhu, I-Ning Hu, Almantas Galvanauskas, Joona Koponen, Timothy McComb

Proceedings Volume 8601, 86011M (2013) https://doi.org/10.1117/12.2008306

KEYWORDS: Fiber lasers, Amplifiers, Fiber amplifiers, Structured optical fibers, Optical amplifiers, Ions, Pulsed laser operation, Pulsed fiber lasers, Semiconductor lasers, Cladding

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Proceedings Article | 22 March 2013 Paper

Paper

Analytical time-dependent theory of thermally induced modal instabilities in high power fiber amplifiers

I-Ning Hu, Cheng Zhu, Chao Zhang, Alexander Thomas, Almantas Galvanauskas

Proceedings Volume 8601, 860109 (2013) https://doi.org/10.1117/12.2002732

KEYWORDS: Refractive index, Fiber amplifiers, Thermal modeling, Fermium, Frequency modulation, High power fiber amplifiers, Scattering, Two wave mixing, Diffusion, Fiber lasers

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Proceedings Article | 11 February 2011 Paper

Paper

Polarized, 100 kW peak power, high brightness nanosecond lasers based on 3C optical fiber

Michelle Stock, Chi-Hung Liu, Andrey Kuznetsov, Gaston Tudury, Almantas Galvanauskas, Thomas Sosnowski

Proceedings Volume 7914, 79140U (2011) https://doi.org/10.1117/12.873811

KEYWORDS: Polarization, Fiber lasers, Optical fibers, Fiber amplifiers, Phase modulation, Optical amplifiers, Structured optical fibers, Laser systems engineering, Laser marking, Laser processing

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Proceedings Article | 11 February 2011 Paper

Paper

High-power dissipative soliton laser using chirally-coupled core fiber

Simon Lefrançois, Chi-Hung Liu, Thomas Sosnowski, Almantas Galvanauskas, Frank Wise

Proceedings Volume 7914, 79141O (2011) https://doi.org/10.1117/12.875243

KEYWORDS: Fiber lasers, Fusion energy, Current controlled current source, Optical filters, Mode locking, Dispersion, Solitons, Pulsed laser operation, Ultrafast phenomena, Oscillators

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Proceedings Article | 18 February 2010 Open Access

Open Access

Paper

200W, 350fs fiber CPA system enabled by chirped-volume-Bragg-gratings and chirally-coupled-core fiber technology (Withdrawal Notice)

M. Rever, S. Huang, V. Smirnov, E. Rotari, I. Cohanoshi, S. Mokhov, L. Glebov, A. Galvanauskas

Proceedings Volume 7580, 75800Y (2010) https://doi.org/10.1117/12.845797

KEYWORDS: Current controlled current source, Fiber lasers, Glasses, Fiber amplifiers, Fiber Bragg gratings, Distortion, Ultrafast phenomena, Optical amplifiers, Laser applications, Picosecond phenomena

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Proceedings Article | 23 February 2006 Paper

Paper

New developments in high power eye-safe LMA fibers

K. Tankala, B. Samson, A. Carter, J. Farroni, D. Machewirth, N. Jacobson, U. Manyam, A. Sanchez, M-Y. Chen, A. Galvanauskas, W. Torruellas, Y. Chen

Proceedings Volume 6102, 610206 (2006) https://doi.org/10.1117/12.646663

KEYWORDS: Thulium, Optical fibers, Absorption, Ytterbium, Erbium, Cladding, Ions, Silica, Quantum efficiency, Glasses

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Proceedings Article | 31 August 2005 Paper

Paper

Single transverse mode Yb-doped fiber laser generating up to 0.5mJ/11W with flexible pulse parameters

Tim Lauterborn, Stefan Heinemann, Almantas Galvanauskas

Proceedings Volume 5887, 588705 (2005) https://doi.org/10.1117/12.620926

KEYWORDS: Amplifiers, Fiber lasers, Diodes, Fiber amplifiers, Semiconductor lasers, Laser systems engineering, Optical isolators, Continuous wave operation, Polarization

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Proceedings Article | 22 April 2005 Paper

Paper

Linearly polarized high-power fiber lasers with monolithic PM-LMA-fiber and LMA-grating based cavities and their use for nonlinear wavelength conversion

V. Khitrov, B. Samson, U. Manyam, K. Tankala, D. Machewirth, S. Heinemann, C. Liu, A. Galvanauskas

Proceedings Volume 5709, (2005) https://doi.org/10.1117/12.590825

KEYWORDS: Fiber lasers, Polarization, Fiber Bragg gratings, High power fiber lasers, Continuous wave operation, Diffraction, Laser resonators, Chemical oxygen iodine lasers, Diodes, Laser applications

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Proceedings Article | 22 April 2005 Paper

Paper

Monolithic fiber-grating and MEMS based devices for controllable ultrafast pulse shaping

Kai-Hsiu Liao, Kabir Udeshi, Long Que, Yogesh Gianchandani, Almantas Galvanauskes

Proceedings Volume 5709, (2005) https://doi.org/10.1117/12.602038

KEYWORDS: Actuators, Microelectromechanical systems, Ultrafast phenomena, Pulse shaping, Refractive index, Signal processing, Phase shift keying, Fiber Bragg gratings, Control systems, Phase shifts

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Proceedings Article | 25 February 2002 Paper

Paper

Novel ultrashort-pulse fiber lasers and their applications

Heinrich Endert, Almantas Galvanauskes, Gregg Sucha, Rajesh Patel

Proceedings Volume 4426, (2002) https://doi.org/10.1117/12.456810

KEYWORDS: Ultrafast phenomena, Fiber lasers, Laser applications, Pulsed laser operation, Ultrafast lasers, Laser systems engineering, Laser dentistry, Micromachining, Femtosecond phenomena, Solid state lasers

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Proceedings Article | 13 April 2000 Paper

Paper

High-power compact ultrafast fiber lasers

Martin Fermann, Michelle Stock, Almantas Galvanauskes, Donald Harter

Proceedings Volume 3942, (2000) https://doi.org/10.1117/12.382858

KEYWORDS: Fiber amplifiers, Optical amplifiers, Fiber lasers, Ytterbium, Ultrafast phenomena, High power fiber amplifiers, Multimode fibers, Amplifiers, Optical fibers, Erbium

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Proceedings Article | 4 June 1999 Paper

Paper

Femtosecond pulse-shaping using Fourier synthetic quasi-phase-matching gratings

Gennady Imeshev, Almantas Galvanauskes, Mark Abore, Donald Harter, Martin Fejer

Proceedings Volume 3616, (1999) https://doi.org/10.1117/12.351837

KEYWORDS: Picosecond phenomena, Pulse shaping, Second-harmonic generation, Femtosecond phenomena, Dispersion, Optical design, Fourier transforms, Modulation, Harmonic generation, Optical filters

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Proceedings Article | 4 June 1999 Paper

Paper

Fiber lasers in ultrafast optics

Martin Fermann, Gregg Sucha, Almantas Galvanauskes, Martin Hofer, Donald Harter

Proceedings Volume 3616, (1999) https://doi.org/10.1117/12.351836

KEYWORDS: Fiber lasers, Ultrafast phenomena, Fiber amplifiers, Erbium, Terahertz radiation, Oscillators, Laser systems engineering, Femtosecond phenomena, Solitons, Optical amplifiers

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Proceedings Article | 10 April 1995 Paper

Paper

Compact ultrahigh-power laser systems

Almantas Galvanauskas

Proceedings Volume 2377, (1995) https://doi.org/10.1117/12.206403

KEYWORDS: Fiber amplifiers, Semiconductor lasers, Fiber Bragg gratings, Ultrafast phenomena, Picosecond phenomena, Fiber lasers, Optical amplifiers, Femtosecond phenomena, Mode locking, Dispersion

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Showing 5 of 20 publications

Conference Committee Involvement (12)

Fiber Lasers X: Technology, Systems, and Applications

4 February 2013 | San Francisco, California, United States

Fiber Lasers IX: Technology, Systems, and Applications

23 January 2012 | San Francisco, California, United States

Fiber Lasers VIII: Technology, Systems, and Applications

24 January 2011 | San Francisco, California, United States

Fiber Lasers VII: Technology, Systems, and Applications

25 January 2010 | San Francisco, California, United States

Fiber Lasers VI: Technology, Systems, and Applications

26 January 2009 | San Jose, California, United States

Showing 5 of 12 Conference Committees

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