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  1. Observation of a Coherent Lasing Channel in the Spectral Combining of Laser Diode Radiation

    Abstract

    In experimental studies of the incoherent summation of laser diode radiation using the spectral combining scheme, an additional channel of...

    S. I. Derzhavin, Ya. V. Kravchenko, ... V. N. Timoshkin in Bulletin of the Lebedev Physics Institute
    Article 16 October 2023
  2. Formalism for power spectral density estimation for non-identical and correlated noise using the null channel in Einstein Telescope

    Several proposed gravitational wave interferometers have a triangular configuration, such as the Einstein Telescope and the Laser Interferometer...

    Kamiel Janssens, Guillaume Boileau, ... Nick van Remortel in The European Physical Journal Plus
    Article 24 April 2023
  3. Enabling 6G high spectral efficiency of PDM-OAM over FSOC channel model with weather condition effects in Iraq

    This paper investigates a novel integration of hybrid polarization-division-multiplexing (PDM) with orbital-angular-momentum (OAM) multiplexing. Six...

    Dhurgham Abdulridha Jawad Al‑Khaffaf in Journal of Optics
    Article 09 April 2024
  4. 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 Ã…) and one, related...

    S. A. Belov, D. I. Zavershinskii, ... L. S. Ledentsov in Astronomy Reports
    Article 01 December 2023
  5. Coded Aperture Snapshot Spectral Imager

    We introduce the motivation and principle of coded optical imaging using the example of snapshot compressive imaging, in particular the coded...
    **n Yuan, Zongliang Wu, Ting Luo in Coded Optical Imaging
    Chapter 2024
  6. Antenna optical communication spectral enhancement with energy analysis of photovoltaic cell microgrid environmental application

    A technique for sending two separate optical vector signals on a single optical carrier with the same polarization state is suggested and...

    N. Beemkumar, Sudhir Kr. Sharma, ... Poonam Gupta in Optical and Quantum Electronics
    Article 28 June 2023
  7. Broadband Spectral Deconvolution of GRBs

    Data from GRBs which occurred in the field of view of COMPTEL have been jointly analysed with the corresponding BATSE data using the Band spectral...
    L. Hanlon, D. Kinsella, ... R. Preece in Gamma-Ray Bursts in the Afterglow Era
    Conference paper
  8. Spectral and timing calibration of eXTP-SFA engineering model in 100XF

    The spectroscopy focusing array is one of the four main scientific instruments of the enhanced X-ray Timing and Polarimetry mission, tasked with...

    Yifan Zhang, Wei Li, ... Yupeng Xu in Experimental Astronomy
    Article 14 June 2024
  9. A Thermostatted Magnetometer Channel

    Abstract—

    A channel for measuring the magnetic flux density based on four integrated Hall-effect magnetic sensors (IHMSs) is described. Built-in...

    V. V. Kolobov, M. B. Barannik in Instruments and Experimental Techniques
    Article 01 February 2024
  10. 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
  11. The Concept of a Two-Channel Infrared Lidar for Monitoring Greenhouse Gases in the Surface Layer of the Atmosphere

    Abstract

    The results of calculating the atmospheric transmission spectrum and modeling lidar signals in the informative range of greenhouse gas...

    S. V. Yakovlev, S. A. Sadovnikov, N. S. Kravtsova in Optics and Spectroscopy
    Article 02 May 2024
  12. Exploring the performance of 2-D square lattice photonic crystal channel drop filters with varying horizontal cavity dimensions

    In this paper, we investigated the performance of a 2-D square lattice photonic crystal channel drop filter by varying horizontal cavity dimensions....

    Rajpal Singh, M. D. Sharma, Anami Bhargava in Journal of Optics
    Article 15 May 2024
  13. Four-channel photonic crystal demultiplexer with graphene with high quality factor for DWDM applications

    This paper presents a 4-channel demultiplexer totally based on a two-dimensional photonic crystal with silicon air holes and defects with the advent...

    Simone Cristina da Costa Tavares, Fabio Barros de Sousa, ... Marcos B. C. Costa in Optical and Quantum Electronics
    Article 03 February 2024
  14. Statistical Aspects of X-ray Spectral Analysis

    This handbook chapter gives a modern introduction to spectral analysis of celestial X-ray sources. Concepts presented include the instrumentation...
    Johannes Buchner, Peter Boorman in Handbook of X-ray and Gamma-ray Astrophysics
    Reference work entry 2024
  15. A spectral metric for collider geometry

    By quantifying the distance between two collider events, one can triangulate a metric space and reframe collider data analysis as computational...

    Andrew J. Larkoski, Jesse Thaler in Journal of High Energy Physics
    Article Open access 18 August 2023
  16. Chirped Spectral Map** Photography Using a Hyperspectral Camera

    Spectral imaging captures spatial and spectral data simultaneously with each pixel of an image of a scene or object representing a radiance or...
    Dalong Qi, Shian Zhang, ... Yilin He in Coded Optical Imaging
    Chapter 2024
  17. The Influence of Nonlinear Phase Noise on Amplitude-Phase Channel OFDM Signals in Coherent Fiber-Optic Transmission Systems

    Abstract

    A coherent fiber-optic transmission systems of OFDM signals is considered. The channels are formed using spectral-efficient modulation...

    Article 01 October 2023
  18. Statistical Aspects of X-ray Spectral Analysis

    This handbook chapter gives a modern introduction to spectral analysis of celestial X-ray sources. Concepts presented include the instrumentation...
    Johannes Buchner, Peter Boorman in Handbook of X-ray and Gamma-ray Astrophysics
    Living reference work entry 2024
  19. Machine learning in optical networks enhancement based on channel allocation and spectrum analysis for 5G application

    Undoubtedly, Machine Learning (ML) for Optical Communication (OC) has been a popular topic in recent years and is likely to remain so for the...

    Zhiying Chang, Weihua Zhao, Mengnan Chang in Optical and Quantum Electronics
    Article 26 September 2023
  20. Channel allocation and spectrum use in optical networks using machine learning a 5G application analysis

    Allocating and routing resources in optical networks is a critical process that has a major bearing on the efficiency and scalability of the...

    Article 25 September 2023
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