A5042199938- Solid State Laser Technologies
- Laser Design and Applications
- Photonic Crystal and Fiber Optics
- Optical Network Technologies
- Laser-Matter Interactions and Applications
- Advanced Fiber Laser Technologies
- Laser-Plasma Interactions and Diagnostics
- Advanced Photonic Communication Systems
- Advanced Optical Network Technologies
- Semiconductor Lasers and Optical Devices
- Particle Accelerators and Free-Electron Lasers
- Photonic and Optical Devices
- Advanced Fiber Optic Sensors
- Advanced X-ray Imaging Techniques
- Laser Material Processing Techniques
- Advanced Optical Sensing Technologies
- Advanced Fluorescence Microscopy Techniques
- Particle Detector Development and Performance
- Spectroscopy and Laser Applications
- Advanced Measurement and Metrology Techniques
- Chalcogenide Semiconductor Thin Films
- Optical Systems and Laser Technology
- Semiconductor materials and interfaces
- Ocular and Laser Science Research
- Optical Coherence Tomography Applications
Lawrence Livermore National Laboratory
2016-2024
University of California, Merced
2013-2014
We report on the demonstration of a diode-pumped, Tm:YLF-based, chirped pulse amplification laser system operating at λ ≈ 1.9 µm that produces amplified energies exceeding 1.5 J using single 8-pass power amplifier. The pulses are subsequently compressed to sub-300 fs durations by diffraction grating pair, producing record >1 TW peak pulses. To best our knowledge, this is highest demonstrated for any solid-state, near-2 architecture and illustrates potential Tm:YLF next generation high-power,...
This document outlines a community-driven Design Study for 10 TeV pCM Wakefield Accelerator Collider. The 2020 ESPP Report emphasized the need Advanced R\&D, and 2023 P5 calls ``delivery of an end-to-end design concept, including cost scales, with self-consistent parameters throughout." leverages recent experimental theoretical progress resulting from global R\&D program in order to deliver unified, Collider concept. Accelerators provide ultra-high accelerating gradients which enables...
Nowadays, the fiber spectrum is only partially exploited, i.e., mainly in C-band and more recently C <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"> <mml:mo>+</mml:mo> </mml:math> L-band, where attenuation profile experiences minimum. Thus, communications technology—amplifiers, switching, transceivers, etc.—and networking solutions are mature for those bands. However, continuous increase traffic means that capacity saturation of current infrastructure looming....
Abstract Large scale laser facilities are needed to advance the energy frontier in high physics and accelerator physics. Laser plasma accelerators core advanced concepts aimed at reaching TeV electron colliders. In these facilities, intense pulses drive plasmas used accelerate electrons energies remarkably short distances. A could principle reach with an accelerating length that is 1000 times shorter than conventional RF based accelerators. Notionally, driven particle beam beyond state of...
A Nd3+ fiber amplifier with gain from 1376 nm to 1466 is demonstrated. This enabled by a wavelength selective waveguide that suppresses amplified spontaneous emission between 850 and 1150 nm. It shown while excited state absorption (ESA) precludes net below 1375 the exception of small band 1333 1350 nm, ESA diminishes steadily beyond allowing for construction an efficient peak at 1400 potential 1500 signal 13.3 dB measured 1402 noise figure 7.6 dB. Detailed measurements cross sections...
To analyze recent experiments with a neodymium-doped fiber amplifier operating in the E-band of wavelengths (1350-1450 nm) and embedded fused silica, we develop time-dependent model consisting rate equations for aggregate ion populations radiation intensities along axis. Both copropagating counterpropagating intensities, including amplified spontaneous emission, are incorporated. The wavelength-dependent cross section excited state absorption is inferred from auxiliary measurements....
Abstract Motivated by the profound impact of laser technology on science, arising from an increase in focused light intensity seven orders magnitude and flashes so short electron motion is visible, this roadmap outlines paths forward to enable next generation science applications. Despite remarkable progress, field confronts challenges developing compact, high-power sources, enhancing scalability efficiency, ensuring safety standards. Future research endeavors aim revolutionize power,...
The Matter in Extreme Conditions Upgrade (MEC-U) project is a major upgrade to the MEC instrument on Linac Coherent Light Source (LCLS) X-ray free electron laser (XFEL) user facility at SLAC National Accelerator Laboratory. combines XFEL with high-power, short-pulse and high energy shock driver produce study density plasmas materials found extreme environments such as interior of stars fusion reactors, providing fundamental understanding needed for applications ranging from astronomy energy....
Fiber-based optical parametric oscillators (FOPOs) are an alternative to supercontinuum light sources for nonlinear microscopy. In microscopy implementations such as stimulated Raman scattering and coherent anti-Stokes scattering, the signal noise is proportional second or third order of input intensity noise. It not yet known how FOPO levels compare with sources. We measure excess a source function power wavelength. find that sideband can be low 5 dB above shot limit −150 dBc [Hz]−1. This...
We investigate the exploitation of E-band in multi-band optical networks. A guard band 14 THz is selected to isolate E- from C- and L-bands minimizing stimulated Raman scattering on already operating channels. Network simulations show double supported traffic over same infrastructure.
We present experimental results that show how diode-pumped Tm:YLF can be used to develop the next generation of lasers with high peak and average power. demonstrate production broad bandwidth, λ≈ 1.9 μm wavelength, energy pulses up 1.6 J output subsequent compression sub-300 fs duration. This was achieved using a single 8-pass amplifier boost stretched approximately 50 μJ Joule-level. Furthermore, we power capability this material in helium gas-cooled head, achieving heat...
We experimentally demonstrate the first E-band transmission through 50 km of G.652.D fiber using 30 Gbaud 16-QAM signals enabled by a neodymium doped amplifier with 14 dB gain and 5 noise figure.
We report high energy pulses from compact, diode-pumped Tm:YLF amplifiers. demonstrated pulse energies of 21.7J for 20ns and 108J long pulses. CPA produced broadband 1.6J that were subsequently compressed to 270fs.
We report the demonstration of a diode-pumped, chirped pulse amplification Tm:YLF laser that produces broadband pulses up to 1.3 J energy. Amplified at 100 mJ-level were compressed using gratings sub-400 fs duration.
We report the development of a nonlinear telescope to generate uniform spectral broadening across Gaussian beam. introduce “broadening-in-the-bucket” as an alternative metric compression factor for evaluating efficiency.
We present Tm:YLF laser technology development including joule-level short pulse amplification and gas-cooling at high heat loads in two separate experiments, which shows the potential suitability of based lasers for drivers emerging applications.
We report on 100J-level pulsed energy extraction from a diode-pumped Tm:YLF system. The table-top laser comprises Tm:YLF-based oscillator that seeds single amplifier to produce >21J in 20ns and 108J long-pulse operation.
Get PDF Email Share with Facebook Tweet This Post on reddit LinkedIn Add to CiteULike Mendeley BibSonomy Citation Copy Text L. S. Kiani, J. W. Dawson, P. H. Pax, G. Allen, D. R. Drachenberg, V. Khitrov, N. Schenkel, M. Messerly, Cook, and Crist, "Tunable, All-Fiber, Continuous Wave Oscillator in the E-band Operating 4F3/2 4I13/2 transition Neodymium," Conference Lasers Electro-Optics, OSA Technical Digest (online) (Optica Publishing Group, 2017), paper SM1L.7. Export BibTex Endnote (RIS)...
To help facilitate the modeling of new fiber laser systems, such as those with complex functional microstructures, we report on a simplified methodology that can accommodate parasitic kinetic effects often present in systems. The essence our approach is to integrate kinetics over length gain medium at outset, thereby forfeiting longitudinally resolved information about system but simplifying its energetics analysis. illustrate benefits more conventional coupled-rate-equation analyses, apply...
Large scale laser facilities are needed to advance the energy frontier in high physics and accelerator physics. Laser plasma accelerators core advanced concepts aimed at reaching TeV electron colliders. In these facilities, intense pulses drive plasmas used accelerate electrons energies remarkably short distances. A could principle reach with an accelerating length that is 1000 times shorter than conventional RF based accelerators. Notionally, driven particle beam beyond state of art LPAs...
Get PDF Email Share with Facebook Tweet This Post on reddit LinkedIn Add to CiteULike Mendeley BibSonomy Citation Copy Text J. W. Dawson, P. H. Pax, G. S. Allen, D. R. Drachenberg, V. Khitrov, L. Kiani, N. Schenkel, and M. Messerly, "High gain, high power Nd3+ fiber laser at 1427 nm," in Lasers Congress 2016 (ASSL, LSC, LAC), OSA Technical Digest (online) (Optica Publishing Group, 2016), paper ATu6A.5. Export BibTex Endnote (RIS) HTML Plain Video alert Save article
We report on polarization and reflectivity effects in FOPO output coupling. Polarization-based coupling improves power. Linear of 0.35 to 0.48 yields optimum power with the current setup.
We present experimental demonstrations of the energy density storage and extraction capabilities Tm:YLF using a table-top diode-pumped system. Here, Tm:YLF-based oscillator, producing mJ-class pulse energies within both short (nanosecond) long (millisecond) duration pulses, seeds single far-field multiplexed power amplifier. The amplifier produced up to 21.7 J in 20 ns (>1 GW peak power) 4-pass configuration, 108.3 6-pass configuration. Additionally, system was reconfigured operated burst...
The design and status of the diode-pumped 10 Hz, 150 J, fs, 1 PW laser system under development for Matter in Extreme Conditions Upgrade (MEC-U) project will be presented.