Joint transform correlator for the detection of defects in optical fibers

被引：0
|
作者：
Wei, L
Kim, H
Lee, S
Lee, S
机构：
[1] Inha Univ, Dept Elect Mat & Devices Engn, Inchon 402751, South Korea
[2] Inha Univ, Dept Automat Engn, Inchon 402751, South Korea
[3] Inha Univ, Dept Phys, Inchon 402751, South Korea
来源：
OPTICAL ENGINEERING | 1998年 / 37卷 / 05期
关键词：
joint transform correlator; Fourier transform; joint power spectrum; optical fiber;
D O I：
暂无
中图分类号：
O43 [光学];
学科分类号：
070207 ; 0803 ;
摘要：
A hybrid optical/digital system for detecting defects in optical fibers is proposed. Since the structure of the fibers is the multilayer coaxial cylinder with step indices, the defects in any layer change the spatial frequency spectrum of the fibers and can be detected by comparison with the spectrum of a desired perfect fiber. A joint transform correlator can carry out the detection by continuously updating the test fiber with the desired reference fiber in its stationary position. We show that by joint transform correlator, fiber defects can be successfully detected. (C) 1998 Society of Photo-Optical instrumentation Engineers. [S0091-3286(98)01305-1].
引用
收藏
页码：1468 / 1474
页数：7
相关论文
共 50 条
  • [31] Optical implementation of a photorefractive joint transform correlator with wavelet filters
    Zhang, H
    Cartwright, CM
    Ding, MS
    Gillespie, WA
    OPTICS COMMUNICATIONS, 2000, 181 (4-6) : 223 - 230
  • [32] Experiments research on motion detection accuracy of joint transform correlator
    Lin, Guang
    Li, Qi
    Feng, Huajun
    Xu, Zhihai
    ADVANCED SENSOR SYSTEMS AND APPLICATIONS V, 2012, 8561
  • [33] Moving object detection and recognition by using joint transform correlator
    Wang, WS
    Zhang, Y
    Song, HY
    Guo, YX
    OPTICAL INFORMATION PROCESSING TECHNOLOGY, 2002, 4929 : 527 - 531
  • [34] Fractional joint transform correlator
    Lohmann, AW
    Mendlovic, D
    APPLIED OPTICS, 1997, 36 (29) : 7402 - 7407
  • [35] Lensless joint transform correlator
    Grycewicz, TJ
    OPTICAL ENGINEERING, 1997, 36 (10) : 2781 - 2786
  • [36] Design of a joint transform correlator
    Comastri, SA
    Simon, JM
    SECOND IBEROAMERICAN MEETING ON OPTICS, 1996, 2730 : 55 - 58
  • [37] A MULTICHANNEL JOINT TRANSFORM CORRELATOR
    KERYER, G
    DELATOCNAYE, JLD
    OPTICS COMMUNICATIONS, 1995, 118 (1-2) : 102 - 113
  • [38] A triple joint transform correlator
    Zhang, H
    Cartwright, CM
    Ding, M
    Gillespie, GA
    OPTICAL PATTERN RECOGNITION X, 1999, 3715 : 185 - 196
  • [39] Joint transform correlator with fractional Fourier transform
    Jin, SI
    Lee, SY
    OPTICS COMMUNICATIONS, 2002, 207 (1-6) : 161 - 168
  • [40] Optical Image Encryption Using a Nonlinear Joint Transform Correlator and the Collins Diffraction Transform
    Vilardy, Juan M.
    Perez, Ronal A.
    Torres, Cesar O.
    PHOTONICS, 2019, 6 (04)
12345