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  1. Passive Thermal Compensation of the Spectral Characteristic of the Integrated-Optical Demultiplexer

    Abstract

    The method of passive thermal compensation of the arrayed waveguide grating (AWG) demultiplexer based on a cut in the input planar waveguide...

    I. G. Likhachev, D. A. Guryev, ... K. E. Pevchikh in Physics of Wave Phenomena
    Article 16 October 2023
  2. Spectral Decomposition

    This chapter is in some sense the crescendo of Part I, bringing together the fruits of our labours up to this point. Physicists and other physical...
    Chapter 2023
  3. Functional Dependences of the Maximum Energy Density of the Spectral Component of Stimulated Picosecond Emission by GaAs upon Gain Saturation. The Residual Characteristic Emission Relaxation Time

    Abstract

    During high-power optical picosecond pum** of the GaAs layer of an Al x Ga 1 –  x As–GaAs–Al x Ga 1 –  x As heterostructure, stimulated picosecond...

    N. N. Ageeva, I. L. Bronevoi, ... A. N. Krivonosov in Semiconductors
    Article 01 March 2022
  4. A method for correcting characteristic X-ray net peak count from drifted shadow peak

    To correct spectral peak drift and obtain more reliable net counts, this study proposes a long short-term memory (LSTM) model fused with a...

    Lin Tang, **ng-Ke Ma, ... Hong-Tao Shen in Nuclear Science and Techniques
    Article 21 November 2023
  5. Spectral Properties of Short Gamma-Ray Bursts

    The distribution of GRB durations is bimodal, but there is little additional evidence to support the division of GRBs into short and long classes....
    W. S. Paciesas, R. D. Preece, ... R. S. Mallozzi in Gamma-Ray Bursts in the Afterglow Era
    Conference paper
  6. Digital archival spectral data for Seyfert galaxies and their use in conjunction with modern FAI spectral data

    The paper presents a methodology for the digitization and processing of our own spectral data archive and the results of comparing the obtained data...

    Saule Shomshekova, Lyudmila Kondratyeva, ... Svetlana Moshkina in Experimental Astronomy
    Article Open access 22 November 2023
  7. Black Holes: Timing and Spectral Properties and Evolution

    We review the timing and spectral evolution of black hole X-ray binary systems, with emphasis on the current accretion-ejection paradigm. When in...
    Emrah Kalemci, Erin Kara, John A. Tomsick in Handbook of X-ray and Gamma-ray Astrophysics
    Reference work entry 2024
  8. Spectral Recognition Based on LGBM in an Ethylene Discharge Plasma under Different Gas Pressures

    Abstract

    Spectral analysis is a commonly used effective method for plasma diagnostics. However, due to the large amount of plasma spectral data and...

    G. Shi, X. Tang, ... E. Robert in Plasma Physics Reports
    Article 01 January 2023
  9. From spectral to scattering form factor

    We propose a novel indicator for chaotic quantum scattering processes, the scattering form factor (ScFF). It is based on map** the locations of...

    Massimo Bianchi, Maurizio Firrotta, ... Dorin Weissman in Journal of High Energy Physics
    Article Open access 27 June 2024
  10. Spectral Emissivity of Technical Titanium near the Melting Point

    Abstract

    An experimental study of the normal spectral emission ability of technical titanium grade VT1-00 in the melting region was carried out. The...

    D. V. Kosenkov, V. V. Sagadeev in Technical Physics
    Article 01 December 2023
  11. Research on Spectral Measurement Method for Content of Bicolor Mixed Ink

    To achieve consistent color reproduction of printed products and accurate measurement the content of mixed ink has always been an important research...

    Shuyang Fang, Wenhao Zhang, ... Qiang Liu in Journal of Applied Spectroscopy
    Article 05 July 2024
  12. Biomarkers, Spectral

    Lisa Kaltenegger in Encyclopedia of Astrobiology
    Reference work entry 2023
  13. Krylov complexity and spectral form factor for noisy random matrix models

    We study the spectral properties of two classes of random matrix models: non-Gaussian RMT with quartic and sextic potentials, and RMT with Gaussian...

    Arpan Bhattacharyya, S. Shajidul Haque, ... Dimakatso Rapotu in Journal of High Energy Physics
    Article Open access 25 October 2023
  14. The Inverse Spectral Map for Dimers

    In 2015, Vladimir Fock proved that the spectral transform, associating to an element of a dimer cluster integrable system its spectral data, is...

    T. George, A. B. Goncharov, R. Kenyon in Mathematical Physics, Analysis and Geometry
    Article 12 September 2023
  15. Rate of Solar Nanoflares in Different Spectral Ranges

    Abstract

    The frequency and rate of solar nanoflares (NF) were measured in 6 coronal spectral ranges (094, 131, 171, 193, 211, 335 Å) and one, related...

    S. A. Belov, D. I. Zavershinskii, ... L. S. Ledentsov in Astronomy Reports
    Article 01 December 2023
  16. The Active Carrier Plasma: Ultrafast Microscopic Dynamics and Spatio-Spectral Gratings

    In this chapter we will analyze the dynamic physical processes in the active charge carrier plasma of a semiconductor laser. Calculation and...
    Chapter
  17. Improving the accuracy of temperature measurement by a spectral ratio pyrometer

    The paper describes an algorithm that using numerical methods allows calculating the relationship between the temperature of the spectral ratio and...

    Article 01 May 2023
  18. Gaia Data Release 3: Distribution of Spectral Groups of Near-Earth Asteroids

    Abstract

    Based on the data from the third edition of the Gaia catalog, containing the reflectance spectra of asteroids, studies of near-Earth...

    M. P. Shcherbina, D. A. Kovaleva, B. M. Shustov in Solar System Research
    Article 20 May 2024
  19. Development of An Apparatus for the Directional Spectral Emissivity Measurement from 50 ℃ to 1000 ℃

    To realize precise directional spectral emissivity determination of solid materials under the atmosphere, an apparatus what covers the temperature...

    Z. Y. Liu, J. Song, ... X. P. Hao in International Journal of Thermophysics
    Article 21 June 2024
  20. A straightforward spectral emissivity estimating method based on constructing random rough surfaces

    Spectral emissivity is an essential and sensitive parameter to characterize the radiative capacity of the solid surface in scientific and engineering...

    Zezhan Zhang, Mengchao Chen, ... **g Jiang in Light: Science & Applications
    Article Open access 07 November 2023
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