Observation of superluminal wave-front propagation at the shadow area behind an opaque disk

被引:14
|
作者
Vasnetsov, M. [1 ]
Pas'ko, V. [1 ]
Khoroshun, A. [1 ]
Slyusar, V. [1 ]
Soskin, M. [1 ]
机构
[1] Natl Acad Sci Ukraine, Inst Phys, UA-03028 Kiev, Ukraine
关键词
D O I
10.1364/OL.32.001830
中图分类号
O43 [光学];
学科分类号
070207 ; 0803 ;
摘要
We demonstrate in theory and experiment superluminal properties of optical field propagation in the shadow area behind an opaque disk (Poisson's spot). The wave front of the field in the shadow zone is initially delayed with respect to the unperturbed field. This phase shift gradually diminishes along the optical path and therefore ensures variation of the phase velocity of the field at the axis. A resulting excess of about c X 10(-5) was detected. (c) 2007 Optical Society of America.
引用
收藏
页码:1830 / 1832
页数:3
相关论文
共 50 条
  • [41] Propagation of a Light-Emitting Wave-Front in a Fine Tube Positive Column Discharge
    Jeong, Jong-Mun
    Kim, Jung-Hyun
    Hwang, Hachung
    Jin, Dong-Jun
    Koo, Je-Huan
    Choi, Eun-Ha
    Verboncoeur, John P.
    Uhm, Han Sup
    Cho, Guangsup
    JAPANESE JOURNAL OF APPLIED PHYSICS, 2010, 49 (02)
  • [43] WAVE-FRONT PROPAGATION IN SEMILINEAR DIFFERENTIAL-EQUATIONS AND SYSTEMS OF KPP-TYPE
    FREIDLIN, M
    JOURNAL D ANALYSE MATHEMATIQUE, 1992, 58 : 249 - 261
  • [44] EFFECT OF WAVE-FRONT DISTORTION BY PROPAGATION THROUGH INHOMOGENEOUS LAYER TO THE DIRECTIVITY OF ULTRASONIC TRANSDUCER
    SUGIMOTO, K
    TABEI, M
    UEDA, M
    JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS SHORT NOTES & REVIEW PAPERS, 1995, 34 (5B): : 2802 - 2807
  • [45] LANGEVIN APPROACH TO A CHEMICAL WAVE-FRONT - SELECTION OF THE PROPAGATION VELOCITY IN THE PRESENCE OF INTERNAL NOISE
    LEMARCHAND, A
    LESNE, A
    MARESCHAL, M
    PHYSICAL REVIEW E, 1995, 51 (05): : 4457 - 4465
  • [47] Wave-Front Arrival Time Analysis Using Wide-Area Frequency Measurements
    Ma, Jing
    Li, Jinlong
    Wang, Zengping
    Wu, Jie
    Xia, Tao
    Chen, Lang
    Liu, Yilu
    2009 IEEE POWER & ENERGY SOCIETY GENERAL MEETING, VOLS 1-8, 2009, : 4996 - 5000
  • [48] OBSERVATION OF WAVE-FRONT CURVATURE INSIDE A VERTICAL-CAVITY SURFACE-EMITTING LASER
    VANDOORN, AKJ
    VANEXTER, MP
    WOERDMAN, JP
    APPLIED PHYSICS LETTERS, 1995, 66 (26) : 3561 - 3563
  • [49] STRUCTURE AND RATES OF IONIZATION WAVE-FRONT PROPAGATION, INITIATED BY THE INTENSE RELATIVISTIC ELECTRON-BEAM
    DEMURA, AV
    KARASEV, YV
    MAKSIMOV, GP
    NEDOSEEV, GL
    RUSANOV, VD
    SPEKTOR, AM
    SHIRYAEVSKII, VL
    SHOLIN, GV
    ZHURNAL TEKHNICHESKOI FIZIKI, 1986, 56 (03): : 476 - 483
  • [50] WAVE-FRONT PROPAGATION IN DISCRETE RANDOM-MEDIA VIA STOCHASTIC HUYGENS MINOR PRINCIPLE
    OSTOJASTARZEWSKI, M
    JOURNAL OF THE FRANKLIN INSTITUTE-ENGINEERING AND APPLIED MATHEMATICS, 1989, 326 (02): : 281 - 293