Study of self-propagating high-temperature synthesis of aluminium nitride using a laser monitor

L Li, AP Ilyin, FA Gubarev, AV Mostovshchikov… - Ceramics …, 2018 - Elsevier
This study focused on the synthesis of aluminium nitride (AlN) by combusting aluminium
nanopowder in air. To investigate the combustion of aluminium nanopowder, a copper …

Laser monitors for high speed imaging of materials modification and production

MV Trigub, VV Platonov, GS Evtushenko, VV Osipov… - Vacuum, 2017 - Elsevier
The methods for real-time visual diagnostics of high-speed processes of materials
modification and production are presented. The main problem of visualization of such …

Bistatic laser monitor for imaging objects and processes

MV Trigub, NA Vasnev, GS Evtushenko - Applied Physics B, 2020 - Springer
The laboratory model of a bistatic laser monitor which images objects and processes with
amplified brightness is presented. The bistatic laser monitor is a laser active optical system …

Substrate-engraved antireflective nanostructured surfaces for high-power laser applications

NJ Ray, JH Yoo, HT Nguyen, MA Johnson, S Elhadj… - Optica, 2020 - opg.optica.org
A critical component for all high-power laser systems that is particularly susceptible to laser
damage is the antireflective coating, which maximizes energy transmission and minimizes …

CuBr-Ne-HBr laser with a high repetition frequency of the lasing pulses at a reduced energy deposition in the discharge

AM Boichenko, GS Evtushenko… - Physics of Wave …, 2015 - Springer
Experimental and computer studies of the CuBr laser with periodic-pulse pumping are
performed with and without addition of HBr. The analysis based on the numerical simulation …

Copper bromide vapor brightness amplifiers with 100 kHz pulse repetition frequency

MV Trigub, GS Evtushenko, SN Torgaev… - Optics …, 2016 - Elsevier
The paper presents a laser monitor with 10 μs time-resolution based on a high-frequency
copper bromide vapor brightness amplifier. A sync circuit has been designed for single …

High-speed optical imaging technique for combusting metal nanopowders

FA Gubarev, AV Mostovshchikov, L Li - Optics & Laser Technology, 2023 - Elsevier
This paper discusses a technique for studying laser initiation and combustion of high-energy
materials in real time using a two-channel video recording system. Traditional high-speed …

High-speed CuBr brightness amplifier beam profile

GS Evtushenko, SN Torgaev, MV Trigub… - Optics …, 2017 - Elsevier
This paper addresses the experimental study of the beam profile of the CuBr brightness
amplifier operating at a wide range of pulse repetition frequencies. The use of a medium …

Kinetic modeling of spatio-temporal evolution of the gain in copper vapor active media

SN Torgaev, AE Kulagin, TG Evtushenko… - Optics …, 2019 - Elsevier
This paper addresses the theoretical study of the spatio-temporal gain profile of the copper
vapor active media. The description of a kinetic model of a copper vapor amplifier which …

Optical system with brightness amplification for monitoring the combustion of aluminum-based nanopowders

L Li, AV Mostovshchikov, AP Ilyin… - IEEE Transactions …, 2019 - ieeexplore.ieee.org
This paper presents the results of real-time monitoring of air combustion of aluminum
nanopowder and its mixtures with aluminum micropowder and iron oxide III. An optical …