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1. Method of Forming the Pump Current Front Shape for a Multielelement Laser

   It is shown that for reliable operation of laser diode matrices, it is important to ensure a maximum permissible, but not leading to their...

   E. V. Smolina in Journal of Applied Spectroscopy

   Article 11 November 2022

2. Electric-Discharge KrCl Laser with High Pump Power

   Abstract

   The results of experimental and theoretical studies of the operation of an electric-discharge KrCl laser (λ = 222 nm) at pump power densities...

   S. A. Yampolskaya, A. G. Yastremskii, ... E. V. Gorlov in Bulletin of the Lebedev Physics Institute

   Article 01 December 2023
   

3. Experimental demonstration of attosecond pump–probe spectroscopy with an X-ray free-electron laser

   Pump–probe experiments with subfemtosecond resolution are the key to understanding electronic dynamics in quantum systems. Here we demonstrate the...

   Zhaoheng Guo, Taran Driver, ... Agostino Marinelli in Nature Photonics

   Article 11 April 2024
   

4. Optimization of Cavity Parameters of High-Power InGaAs/AlGaAs/GaAs Laser Diodes (λ = 1060 nm) for Efficient Operation at Ultrahigh Pulsed Pump Currents

   Abstract

   Using the developed 2D numerical model of laser diodes, we study the effect of the cavity characteristics on the loss, and analyze the choice...

   S. O. Slipchenko, O. S. Soboleva, ... N. A. Pikhtin in Bulletin of the Lebedev Physics Institute

   Article 07 October 2023
   

5. High-harmonic generation in CdTe with ultra-low pump intensity and high photon flux

   An ultra-low pump intensity and high photon flux have been long pursuits of high harmonic generation (HHG) in solids. However, there is lack of a...

   Zhe Long, Hang Yang, ... Houkun Liang in Communications Physics

   Article Open access 25 August 2023
   

6. Research on Bitter-like HTS Magnet Energized by Flux Pump with Single Thermal Switch

   High-temperature superconducting (HTS) tapes are gradually developed in superconducting magnets with a high magnetic field with commercialization of...

   Jiawen Wang, Yinshun Wang, ... Wei Pi in Journal of Superconductivity and Novel Magnetism

   Article 31 August 2022
   

7. Study on Performance of One High Speed Liquid Hydrogen Submerged Pump

   With the development of rocket and civil liquid hydrogen, the demand for high-speed liquid hydrogen pump as the function of circulation or transfer...

   Cui Lv, Ziwei Li, ... Jihao Wu in Proceedings of the 28th International Cryogenic Engineering Conference and International Cryogenic Materials Conference 2022

   Conference paper 2023
   

8. Blockage Detection in Centrifugal Pump Using Butterfly Optimization-Based Feature Selection

   Blockages in the centrifugal pump, either upstream or downstream, reduce the pump’s flow rate, and if left unnoticed for prolong periods, it can...

   Nagendra Singh Ranawat, Ankur Miglani, Pavan Kumar Kankar in MAPAN

   Article 12 January 2023
   

9. Pump-probe reflectivity studies of ultrashort laser-induced acousto-mechanical strains in ZnO films

   In the current work we report on the generation of acoustic strains in thin ZnO layers using optoacoustic transduction of ultrashort laser pulses...

   Kyriaki Kosma, Konstantinos Kaleris, ... Nektarios A. Papadogiannis in Applied Physics A

   Article Open access 01 August 2023
   

10. Desiccant Performance Evaluation of Desiccant-Coated Heat Exchanger-Based Heat Pump by Equilibrium Model

    By combining the advantages of desiccant dehumidification and vapor compression refrigeration, the desiccant-coated heat exchanger-based heat pump...

    Yuexin Liu, Zhilu Liu, ... Song Li in Journal of Thermal Science

    Article 12 October 2023

11. The second-order sideband enhancement in spinning resonators with an external phonon pump

    We theoretically investigate the properties of the second-order sideband generation in a spinning optomechanical system driven by a phonon pump. When...

    Qinghong Liao, Menglin Song, ... Weida Bao in The European Physical Journal Plus

    Article 16 November 2022
    

12. Study of the Shear Alfvén Waves via Parametric Degeneration of Lower Hybrid Pump Wave in Dusty Plasma

    The phenomena of excitation of shear Alfvén waves via parametric degeneration of lower hybrid wave are explored in complex plasma. In this...

    Jyotsna Sharma, Siddhartha Singh, ... Ahmed Nabih Zaki Rashed in Brazilian Journal of Physics

    Article 15 July 2023
    

13. Numerical investigation into the compression characteristics of a multi-stage Knudsen pump with rectangular channels

    In the rarefied gas, thermal creep flows are induced by temperature gradients along the walls. The Knudsen pumps based on thermal creep flows have...

    Lili Zhao, **aowei Wang, Zhijun Zhang in The European Physical Journal Plus

    Article 31 March 2023
    

14. Radial diversification of pump and signal intensities in EDFA comprising LP₀₁ mode dispersion compensation fibers in third order nonlinear condition

    The article gives simple and reliable analytical expressions for estimating signal and pump intensity (SPI) variations with normalized radial...

    Bappa Ditya Biswas, Ramkrishna Rakshit, Angshuman Majumdar in Journal of Optics

    Article 10 July 2024
    

15. On the Possibility of Using an Electrochemical Hydrogen Pump in a Fuel Cycle of Fusion Devices

    Abstract

    The fuel cycle (FC) of a fusion reactor includes the following operations with hydrogen-containing gas mixtures: tokamak pum**, hydrogen...

    B. V. Ivanov, N. A. Ivanova, ... V. N. Fateev in Physics of Atomic Nuclei

    Article 21 December 2023
    

16. An MQDT Model for the Description of Time Resolved Pump Probe Experiments

    A method based on multichannel quantum defect theory (MQDT) for the treatment of perturbative and time resolved photoionization in pump probe...

    Miguel Alarcón, Chris H. Greene in Proceedings of the 8th International Conference on Attosecond Science and Technology

    Conference paper Open access 2024
    

17. Demonstration of 85% pump depletion and 10⁻⁶ noise content in quasi-parametric chirped-pulse amplification

    Full pump depletion corresponds to the upper limit of the generated signal photons relative to the pump pulse; this allows the highest peak power to...

    **gui Ma, Kainan **ong, ... Liejia Qian in Light: Science & Applications

    Article Open access 13 September 2022
    

18. Ultrafast low-pump fluence all-optical modulation based on graphene-metal hybrid metasurfaces

    Graphene is an attractive material for all-optical modulation because of its ultrafast optical response and broad spectral coverage. However,...

    Ali Basiri, Md Zubair Ebne Rafique, ... Yu Yao in Light: Science & Applications

    Article Open access 20 April 2022
    

19. High power and small spot fiber coupling system for pump sources based on symmetric stepped prisms

    With the development of solid-state lasers and fiber lasers, the output power and spot size of the pump source of semiconductor lasers have higher...

    Chang Liu, Lirui Xue, ... Liwen Cheng in Journal of Optics

    Article 11 May 2024
    

20. Features of Turbulence Excited by Pulsed High-Frequency Pump in a Magnetoplasma

    Turbulence developed in a magnetoplasma modified by a high-power high-frequency pulse fed to a loop antenna is discovered and studied on the...

    I. Yu. Zudin, M. E. Gushchin, ... V. V. Kochedykov in JETP Letters

    Article Open access 01 July 2022