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Soliton microcomb range measurement

Suh, Myoung-Gyun ; Vahala, Kerry J

Science (American Association for the Advancement of Science), 2018-02, Vol.359 (6378), p.884-887 [Periódico revisado por pares]

United States: The American Association for the Advancement of Science

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  • Título:
    Soliton microcomb range measurement
  • Autor: Suh, Myoung-Gyun ; Vahala, Kerry J
  • Assuntos: Automation ; Autonomous vehicles ; Distance measurement ; Drone vehicles ; Drones ; Flight ; Formation flying ; Industrial robots ; Integration ; Laser applications ; Lasers ; Lidar ; Manufacturing engineering ; Measuring instruments ; Optical frequency ; Photonics ; Satellite tracking ; Satellites ; Solitary waves
  • É parte de: Science (American Association for the Advancement of Science), 2018-02, Vol.359 (6378), p.884-887
  • Notas: ObjectType-Article-1
    SourceType-Scholarly Journals-1
    ObjectType-Feature-2
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  • Descrição: Laser-based range measurement systems are important in many application areas, including autonomous vehicles, robotics, manufacturing, formation flying of satellites, and basic science. Coherent laser ranging systems using dual-frequency combs provide an unprecedented combination of long range, high precision, and fast update rate. We report dual-comb distance measurement using chip-based soliton microcombs. A single pump laser was used to generate dual-frequency combs within a single microresonator as counterpropagating solitons. We demonstrated time-of-flight measurement with 200-nanometer precision at an averaging time of 500 milliseconds within a range ambiguity of 16 millimeters. Measurements at distances up to 25 meters with much lower precision were also performed. Our chip-based source is an important step toward miniature dual-comb laser ranging systems that are suitable for photonic integration.
  • Editor: United States: The American Association for the Advancement of Science
  • Idioma: Inglês
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  • Realização: ABCD-USP USP   Logos de Redes Sociais: Freepik

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