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1. Ionospheric irregularities at Jupiter observed by JWST

   Jupiter’s upper atmosphere is composed of a neutral thermosphere and charged ionosphere. In the latter, the dominant molecular ion H ₃ ⁺ emits in the...

   Henrik Melin, J. O’Donoghue, ... M. R. Showalter in Nature Astronomy

   Article Open access 21 June 2024
   

2. Laser Welding Spot Diagnostics by Laser-Induced Breakdown Spectrometry

   Abstract

   In situ diagnostics of laser welding has been carried out using laser-induced breakdown spectroscopy (LIBS). The influence of weld pool areas...

   V. N. Lednev, P. A. Sdvizhenskii, ... S. M. Pershin in Physics of Wave Phenomena

   Article 01 July 2021
   

3. One-dimensional arrays of optical dark spot traps from nested Gaussian laser beams for quantum computing

   Quantum computing is rapidly becoming a practical technology, driven by new and advanced quantum systems, each with its own advantages and...

   Travis Frazer, Katharina Gillen in Applied Physics B

   Article 11 April 2022
   

4. The Principle, Application and Imaging of STED

   In a conventional optical microscopy system, due to the diffraction effect of the optical element, the spot light formed on the sample after the...

   Mengtao Sun, Xijiao Mu, Rui Li in Linear and Nonlinear Optical Spectroscopy and Microscopy

   Chapter 2024
   

5. Observing Lunar Bright and Light Rays, Bright Spots, and Banded Craters

   Even well into the twentieth century, students of the Moon, such as British amateur astronomer Walter Goodacre, considered the rays still to be the...

   Robert A. Garfinkle in Luna Cognita

   Chapter 2020
   

6. Holographic Einstein rings of non-commutative black holes

   With the help of AdS/CFT correspondence, we derive the desired response function of QFT on the boundary of the non-commutative black hole. Using the...

   Xin-Yun Hu, Xiao-Xiong Zeng, ... Peng Xu in The European Physical Journal C

   Article Open access 27 February 2024
   

7. Generation of spin-multiplexing focusing based on polarization-tuned all-dielectric metasurface

   It is essential to develop a device with miniature, high-resolution and low-cost features for simultaneously achieving controllable bright-field...

   Dancui Li, Yangyang Li in Indian Journal of Physics

   Article 25 April 2024
   

8. Efficient and bright white light-emitting diodes based on single-layer heterophase halide perovskites

   At present, electric lighting accounts for ~15% of global power consumption and thus the adoption of efficient, low-cost lighting technologies is...

   Jiawei Chen, Jian Wang, ... Haibo Zeng in Nature Photonics

   Article 21 December 2020
   

9. Perfect Optical Vortices

   Once the fundamental mode waist is fixed, the beam size (transverse spot diameter) of a vortex beam is determined by its topological charge. The...

   Shiyao Fu, Chunqing Gao in Optical Vortex Beams

   Chapter 2023
   

10. Development of solar east limb active regions occurrence detection system based on EUV intensity observations

    Active regions on the surface of the Sun are potential sources of solar flares. These include active regions that are not directly facing Earth, such...

    Ayu Dyah Pangestu, Johan Muhamad, ... Jihan Nabilah in Journal of Astrophysics and Astronomy

    Article 29 March 2023
    

11. Optical Study of the Polar BM CrB in a Low State

    Abstract

    We have performed spectroscopic and photometric studies of the poorly explored polar BM CrB. Based on ZTF survey data, we have revealed three...

    A. I. Kolbin, N. V. Borisov, ... M. V. Suslikov in Astronomy Letters

    Article 01 March 2023
    

12. Nature of the Eclipsing Polar 1RXS J184542.4\(+\)483134

    V. Yu. Kochkina, A. I. Kolbin, ... I. F. Bikmaev in Astronomy Letters

    Article 01 November 2023
    

13. Lifetime of Cathode Spots on the Surface of Titanium upon Excitation of a Microplasma Discharge

    Abstract

    The structure of glow of the microplasma discharge (MPD) initiated in vacuum by a pulsed flow of external plasma on the surface of a titanium...

    V. A. Ivanov, M. E. Konyzhev, ... A. A. Dorofeyuk in Plasma Physics Reports

    Article 01 March 2023
    

14. Spatial Resonator Solitons

    Spatial solitons can exist in various kinds of nonlinear optical resonators with and without amplification. In past years, different types of these...

    V.B. Taranenko, G. Slekys, C.O. Weiss in Dissipative Solitons

    Chapter
    

15. Orbital polarimetric tomography of a flare near the Sagittarius A^* supermassive black hole

    The interaction between the supermassive black hole at the centre of the Milky Way, Sagittarius A ^* , and its accretion disk occasionally produces...

    Aviad Levis, Andrew A. Chael, ... Pratul P. Srinivasan in Nature Astronomy

    Article Open access 22 April 2024
    

16. Thin Luminous Tracks during a Nanosecond Discharge in a Nonuniform Electric Field

    Abstract

    The glow of a nanosecond diffuse discharge between two tips with high spatial resolution has been studied. At atmospheric air pressure, as...

    V. F. Tarasenko, D. V. Beloplotov, ... D. A. Sorokin in Optics and Spectroscopy

    Article 01 December 2023
    

17. Bright, high-repetition-rate water window soft X-ray source enabled by nonlinear pulse self-compression in an antiresonant hollow-core fibre

    Bright, coherent soft X-ray radiation is essential to a variety of applications in fundamental research and life sciences. To date, a high photon...

    M. Gebhardt, T. Heuermann, ... J. Limpert in Light: Science & Applications

    Article Open access 12 February 2021
    

18. Sensor and slow light based on plasmon-induced transparency in carbon nanotube rectangular split-ring resonator metamaterials

    In this paper, by finite-difference-time-domain (FDTD) simulation, we numerically demonstrate a plasmon-induced transparency (PIT) effect based on a...

    Yuchang Li, Yizhao Pan, ... Wenxing Yang in Optical and Quantum Electronics

    Article 27 April 2024
    

19. Generation of two kinds of optical chains with multi-zone fan-shaped filter

    Based on the vector diffraction theory, two kinds of ultra-long transversally polarized optical chains are obtained by tight focusing double-ring...

    Yang Zhang, Shiyi Zuo, ... Degui Kong in Journal of Optics

    Article 19 August 2022
    

20. Arc and Cathode Spot Dynamics and Current Density

    In this chapter, the arc definition and the experimental data characterizing the cathode spot including arc voltage, cathode voltage, threshold...

    Isak Beilis in Plasma and Spot Phenomena in Electrical Arcs

    Chapter 2020