Sensing with femtosecond laser filamentation
P Qi, W Qian, L Guo, J Xue, N Zhang, Y Wang, Z Zhang… - Sensors, 2022 - mdpi.com
Femtosecond laser filamentation is a unique nonlinear optical phenomenon when high-
power ultrafast laser propagation in all transparent optical media. During filamentation in the …
power ultrafast laser propagation in all transparent optical media. During filamentation in the …
A review of femtosecond laser-induced emission techniques for combustion and flow field diagnostics
The applications of femtosecond lasers to the diagnostics of combustion and flow field have
recently attracted increasing interest. Many novel spectroscopic methods have been …
recently attracted increasing interest. Many novel spectroscopic methods have been …
Femtosecond two-photon laser-induced fluorescence imaging of atomic hydrogen in a laminar methane–air flame assisted by nanosecond repetitively pulsed …
Sustainable and low-emission combustion is in need of novel schemes to enhance
combustion efficiency and control to meet up with new emission standards and comply with …
combustion efficiency and control to meet up with new emission standards and comply with …
[HTML][HTML] Spatially and temporally resolved laser/optical diagnostics of combustion processes: From fundamentals to practical applications
M Aldén - Proceedings of the Combustion Institute, 2023 - Elsevier
Laser diagnostic techniques have for more than five decades been used for gaining a
deepened understanding of various combustion processes. The main reason for this is the …
deepened understanding of various combustion processes. The main reason for this is the …
Femtosecond laser-induced quantum-beat superfluorescence of atomic oxygen in a flame
Among different approaches to generate mirrorless lasing, resonant multiphoton pum** of
gas constituents by deep-UV laser pulses exhibits so far the highest efficiency and produces …
gas constituents by deep-UV laser pulses exhibits so far the highest efficiency and produces …
Simultaneous imaging of H and OH in flames using a single broadband femtosecond laser source
Atomic hydrogen (H) and hydroxyl radical (OH) are two key intermediate species in the
combustion of hydrocarbon fuels. For example, the spatial and temporal distribution of H is …
combustion of hydrocarbon fuels. For example, the spatial and temporal distribution of H is …
Complete suppression of lasing by the nonadiabatic molecular alignment effect in femtosecond filaments
The nonadiabatic molecular alignment effect is commonly found helpful in enhancing
nonlinear processes such as high-order harmonics and strong-field ionization. In this work …
nonlinear processes such as high-order harmonics and strong-field ionization. In this work …
[HTML][HTML] Laser diagnostics in combustion and beyond dedicated to Prof. Marcus Aldén on his 70th birthday
Laser diagnostics has been one of the most powerful tools in advancing state-of-the-art
combustion research over the last five decades. Prof. Marcus Aldén, one of the most well …
combustion research over the last five decades. Prof. Marcus Aldén, one of the most well …
Quantitative femtosecond, two-photon laser-induced fluorescence of atomic oxygen in high-pressure flames
Quantitative femtosecond two-photon laser-induced fluorescence of atomic oxygen was
demonstrated in an H_2/air flame at pressures up to 10 atm. Femtosecond excitation at …
demonstrated in an H_2/air flame at pressures up to 10 atm. Femtosecond excitation at …
Detection of atomic oxygen in a plasma-assisted flame via a backward lasing technique
In this Letter, we have investigated 845 nm lasing generation in atomic oxygen, present in a
lean methane-air flame, using two-photon pum** with femtosecond 226 nm laser pulses …
lean methane-air flame, using two-photon pum** with femtosecond 226 nm laser pulses …