Laser beam zooming and deflection using a nonlinear metamaterial refracting medium

被引:2
|
作者
Comley, Andrew James [1 ]
机构
[1] AWE Aldermaston, Reading RG7 4PR, Berks, England
关键词
Laser; Zooming; Deflection; Metamaterial; Nonlinear;
D O I
10.1051/epjam/2018003
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
In-process control of the focal spot size and pointing position of a laser as it interacts with a target (beam zooming and deflection) offers the possibility of unprecedented efficiency improvements in a number of applications, such as inertial confinement fusion and laser micromachining. Here is described a system in which the focussing characteristics of a laser beam at one wavelength can be controlled by a lower-intensity beam at another wavelength, via their mutual interaction with a nonlinear metamaterial refracting medium. Such a metamaterial approach permits the optical response of the medium to be tailored according to the wavelengths of interest and time response required in a given application. A metamolecule unit cell design is described in terms of an equivalent circuit based on a pair of LCR (inductance, capacitance, resistance) circuits coupled by a common nonlinear capacitor. The circuit is studied using an analytical approach to obtain an understanding of its properties and design relationships between circuit parameters. Potential realisations of the circuit are discussed.
引用
收藏
页数:11
相关论文
共 50 条
  • [1] Beam deflection and negative drag in a moving nonlinear medium
    Hogan, Ryan
    Safari, Akbar
    Marcucci, Giulia
    Braverman, Boris
    Boyd, Robert W.
    OPTICA, 2023, 10 (05): : 544 - 551
  • [2] Beam deflection lens at terahertz frequencies using a hole lattice metamaterial
    Headland, Daniel
    Withayachumnankul, Withawat
    Webb, Michael
    Abbott, Derek
    2013 38TH INTERNATIONAL CONFERENCE ON INFRARED, MILLIMETER, AND TERAHERTZ WAVES (IRMMW-THZ), 2013,
  • [3] Laser beam deflection by flow and nonlinear self-focusing
    Rose, HA
    PHYSICS OF PLASMAS, 1996, 3 (05) : 1709 - 1727
  • [4] Beam Deflection Reconfigurable Antenna Based on Metamaterial
    Zhang, Shuting
    Zeng, Qingsheng
    Denidni, Tayeb
    2020 IEEE INTERNATIONAL SYMPOSIUM ON ANTENNAS AND PROPAGATION AND NORTH AMERICAN RADIO SCIENCE MEETING, 2020, : 695 - 696
  • [5] LASER-BEAM PULSE SHAPING USING SPECTRAL BEAM DEFLECTION
    SKUPSKY, S
    KESSLER, TJ
    LETZRING, SA
    CHUANG, YH
    JOURNAL OF APPLIED PHYSICS, 1993, 73 (06) : 2678 - 2685
  • [6] Optoacoustic Microscopy Using Laser Beam Deflection Technique
    Khachatryan, E.
    Maswadi, S.
    Tsyboulski, D. A.
    Barnes, E.
    Sardar, D.
    Oraevsky, A. A.
    Nash, K.
    Glickman, R.
    PHOTONS PLUS ULTRASOUND: IMAGING AND SENSING 2014, 2014, 8943
  • [7] Nonlinear forms of laser beam propagation in a photopolymerizable medium
    Villafranca, Ana B.
    Saravanamuttu, Kalaichelvi
    ORGANIC PHOTONIC MATERIALS AND DEVICES XI, 2009, 7213
  • [8] REFRACTING SYSTEM FOR ANNULAR LASER-BEAM TRANSFORMATION
    KARIM, MA
    CHERRI, AK
    AWWAL, AAS
    BASIT, A
    APPLIED OPTICS, 1987, 26 (12): : 2446 - 2449
  • [9] LASER SCANNING Nonlinear crystal becomes high-deflection beam scanner
    Wallace, John
    LASER FOCUS WORLD, 2009, 45 (06): : 20 - 22
  • [10] USING THE HOLOGRAPHIC DIFFRACTION GRATING FOR LASER-BEAM DEFLECTION
    KISELEV, NG
    OPTIKA I SPEKTROSKOPIYA, 1982, 53 (01): : 135 - 140