Mikhail Polyanskiy
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View article: Amplification of 10 μm picosecond pulses in a compact optically pumped multiatmosphere CO<sub>2</sub> laser
Amplification of 10 μm picosecond pulses in a compact optically pumped multiatmosphere CO<sub>2</sub> laser Open
Picosecond pulses, generated by a commercial mid-IR optical parametric source (∼0.5 ps, 1-5 μJ), have been regeneratively amplified to an energy of ≤2 mJ in a palm-size high-pressure CO 2 amplifier optically pumped by a Q-switched 2.8 μm C…
View article: Correction: Pogorelsky, I.V.; Polyanskiy, M.N. Harnessing Ultra-Intense Long-Wave Infrared Lasers: New Frontiers in Fundamental and Applied Research. Photonics 2025, 12, 221
Correction: Pogorelsky, I.V.; Polyanskiy, M.N. Harnessing Ultra-Intense Long-Wave Infrared Lasers: New Frontiers in Fundamental and Applied Research. Photonics 2025, 12, 221 Open
There were some text errors in the original publication [...]
View article: Design Initiative for a 10 TeV pCM Wakefield Collider
Design Initiative for a 10 TeV pCM Wakefield Collider Open
This document outlines a community-driven Design Study for a 10 TeV pCM Wakefield Accelerator Collider. The 2020 ESPP Report emphasized the need for Advanced Accelerator R\&D, and the 2023 P5 Report calls for the ``delivery of an end-to-en…
View article: Collider-quality electron bunches from an all-optical plasma photoinjector
Collider-quality electron bunches from an all-optical plasma photoinjector Open
We present a novel approach for generating collider-quality electron bunches using a plasma photoinjector. The approach leverages recently developed techniques for the spatiotemporal control of laser pulses to produce a moving ionization f…
View article: Harnessing Ultra-Intense Long-Wave Infrared Lasers: New Frontiers in Fundamental and Applied Research
Harnessing Ultra-Intense Long-Wave Infrared Lasers: New Frontiers in Fundamental and Applied Research Open
This review explores two main topics: the state-of-the-art and emerging capabilities of high-peak-power, ultrafast (picosecond and femtosecond) long-wave infrared (LWIR) laser technology based on CO2 gas laser amplifiers, and the current a…
View article: Optical Imaging of Laser-Driven Fast Electron Weibel-like Filamentation in Overcritical Density Plasma
Optical Imaging of Laser-Driven Fast Electron Weibel-like Filamentation in Overcritical Density Plasma Open
We report on the measurement of filamented transport of laser-generated fast electron beams in near-critical density plasma. A relativistic intensity long-wave-infrared laser irradiated a hydrodynamically shaped helium gas flow at an elect…
View article: Remote detection of radioactive material using a short pulse CO2 laser
Remote detection of radioactive material using a short pulse CO2 laser Open
Detection of radioactive material at distances greater than the radiated particle range is an important goal with applications in areas such as national defense and disaster response. Here we demonstrate avalanche-breakdown-based remote de…
View article: Thermal Weibel instability induced magnetic fields co-exist with linear wakes in laser-ionized plasmas
Thermal Weibel instability induced magnetic fields co-exist with linear wakes in laser-ionized plasmas Open
When a moderately intense, few-picosecond-long laser pulse ionizes gas to produce an underdense plasma column, a linear relativistic plasma wave or wake can be excited by the self-modulation instability that may prove useful for multi-bunc…
View article: Hard X-ray inverse Compton scattering at photon energy of 87.5 keV
Hard X-ray inverse Compton scattering at photon energy of 87.5 keV Open
Production of hard X-ray via inverse Compton scattering at photon energyies below 100 keV range aimed at potential applications in medicine and material research is reported. Experiments have been performed at the Brookhaven National Labor…
View article: Plasma electron acceleration driven by a long-wave-infrared laser
Plasma electron acceleration driven by a long-wave-infrared laser Open
Laser-driven plasma accelerators provide tabletop sources of relativistic electron bunches and femtosecond x-ray pulses, but usually require petawatt-class solid-state-laser pulses of wavelength λ L ~ 1 μ m. Longer- λ L lasers can potentia…
View article: Terawatt-class femtosecond long-wave infrared laser
Terawatt-class femtosecond long-wave infrared laser Open
We utilized a nonlinear post-compression technique to generate 675-fs, 9.2-μm CO 2 laser pulses with a peak power of 1.6 TW. This achievement represents the highest peak power ever attained in the femtosecond pulse format within the long-w…
View article: Thermal Weibel instability induced magnetic fields co-exist with linear wakes in laser-ionized plasmas
Thermal Weibel instability induced magnetic fields co-exist with linear wakes in laser-ionized plasmas Open
When a moderately intense, few-picoseconds long laser pulse ionizes gas to produce an underdense plasma column, a linear relativistic plasma wave or wake can be excited by the self-modulation instability that may prove useful for multi-bun…
View article: Nonlinear refraction and absorption properties of optical materials for high-peak-power long-wave-infrared lasers
Nonlinear refraction and absorption properties of optical materials for high-peak-power long-wave-infrared lasers Open
Optical materials transparent in the CO 2 laser wavelength range have been evaluated regarding their suitability for components in ultrashort-pulse (≤ a few ps), high-peak-power (≥ a few TW) long-wave infrared (LWIR) lasers. We provide val…
View article: refractiveindex.info data set
refractiveindex.info data set Open
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View article: Nonlinear refraction and absorption properties of optical materials for high-peak-power long-wave-infrared lasers
Nonlinear refraction and absorption properties of optical materials for high-peak-power long-wave-infrared lasers Open
Optical materials transparent in the CO₂ laser wavelength range have been evaluated regarding their suitability for components in ultrashort-pulse (≤ a few ps), high-peak-power (≥ a few TW) long-wave infrared (LWIR) lasers. We provide valu…
View article: Nonlinear refraction and absorption properties of optical materials for high-peak-power long-wave-infrared lasers
Nonlinear refraction and absorption properties of optical materials for high-peak-power long-wave-infrared lasers Open
Optical materials transparent in the CO₂ laser wavelength range have been evaluated regarding their suitability for components in ultrashort-pulse (≤ a few ps), high-peak-power (≥ a few TW) long-wave infrared (LWIR) lasers. We provide valu…
View article: Plasma electron acceleration driven by a long-wave-infrared laser
Plasma electron acceleration driven by a long-wave-infrared laser Open
Laser-driven plasma accelerators provide tabletop sources of relativistic electron bunches and femtosecond x-ray pulses, but usually require petawatt-class solid-state-laser pulses of wavelength λsub> ≈ 1 μm. Longer-λsub> lasers can potent…
View article: High average power ultrafast laser technologies for driving future advanced accelerators
High average power ultrafast laser technologies for driving future advanced accelerators Open
Large scale laser facilities are needed to advance the energy frontier in high energy physics and accelerator physics. Laser plasma accelerators are core to advanced accelerator concepts aimed at reaching TeV electron electron colliders. I…
View article: 9.3 Microns: Toward a Next-Generation CO2 Laser for Particle Accelerators
9.3 Microns: Toward a Next-Generation CO2 Laser for Particle Accelerators Open
We present realistic theoretical predictions of the performance of the next-generation long-wave infrared (LWIR) laser for advanced particle acceleration research at the Accelerator Test Facility (ATF) of Brookhaven National Laboratory. Tw…
View article: Proton acceleration in an overdense hydrogen plasma by intense CO2 laser pulses with nonlinear propagation effects in the underdense pre-plasma
Proton acceleration in an overdense hydrogen plasma by intense CO2 laser pulses with nonlinear propagation effects in the underdense pre-plasma Open
We report on proton acceleration from intense CO2 laser-irradiated hydrogen plasmas at near-critical densities, with the density gradient steepened by Nd:YAG laser ablation-driven hydrodynamic shocks. While the experimental results, such a…
View article: Electron-beam–controlled deflection of near-infrared laser in semiconductor plasma
Electron-beam–controlled deflection of near-infrared laser in semiconductor plasma Open
A timing method for experiments on the interaction of a near-infrared laser and an ultra-relativistic electron beam via a semiconductor plasma switch is experimentally validated. As an intermediate medium, a thin Si plate is excited by the…
View article: Raman Wavelength Conversion in Ionic Liquids
Raman Wavelength Conversion in Ionic Liquids Open
Here, we explore the use of room-temperature ionic liquids (ILs) as Raman wavelength converters. ILs provide an engineerable framework to design suitable liquids for wavelength conversion over a broad spectral range, through careful select…
View article: Mapping the self-generated magnetic fields due to thermal Weibel instability
Mapping the self-generated magnetic fields due to thermal Weibel instability Open
The origin of the seed magnetic field that is amplified by the galactic dynamo is an open question in plasma astrophysics. Aside from primordial sources and the Biermann battery mechanism, plasma instabilities have also been proposed as a …
View article: Intense infrared lasers for strong-field science
Intense infrared lasers for strong-field science Open
The advent of chirped-pulse amplification in the 1980s and femtosecond Ti:sapphire lasers in the 1990s enabled transformative advances in intense laser–matter interaction physics. Whereas most of experiments have been conducted in the limi…
View article: Electron Weibel instability induced magnetic fields in optical-field ionized plasmas
Electron Weibel instability induced magnetic fields in optical-field ionized plasmas Open
Generation and amplification of magnetic fields in plasmas is a long-standing topic that is of great interest to both plasma and space physics. The electron Weibel instability is a well-known mechanism responsible for self-generating magne…
View article: High average power ultrafast laser technologies for driving future advanced accelerators
High average power ultrafast laser technologies for driving future advanced accelerators Open
Large scale laser facilities are needed to advance the energy frontier in high energy physics and accelerator physics. Laser plasma accelerators are core to advanced accelerator concepts aimed at reaching TeV electron electron colliders. I…
View article: Mapping the self-generated magnetic fields due to thermal Weibel instability
Mapping the self-generated magnetic fields due to thermal Weibel instability Open
Weibel-type instability can self-generate and amplify magnetic fields in both space and laboratory plasmas with temperature anisotropy. The electron Weibel instability has generally proven more challenging to measure than its ion counterpa…
View article: Post-compression of long-wave infrared 2 picosecond sub-terawatt pulses in bulk materials
Post-compression of long-wave infrared 2 picosecond sub-terawatt pulses in bulk materials Open
We have experimentally demonstrated the post-compression of a long-wave infrared (9.2 μm) 150 GW peak power pulse from 2 ps to less than 500 fs using a sequence of two bulk materials with negative group velocity dispersion (GVD). The compr…