OSA's Digital Library

Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 29, Iss. 34 — Dec. 1, 1990
  • pp: 5170–5176

Fiber optic Fourier transform spectrometer with a coherent interferogram averaging scheme

Kazumasa Takada, Masaru Kobayashi, and Juichi Noda  »View Author Affiliations


Applied Optics, Vol. 29, Issue 34, pp. 5170-5176 (1990)
http://dx.doi.org/10.1364/AO.29.005170


View Full Text Article

Enhanced HTML    Acrobat PDF (899 KB)





Browse Journals / Lookup Meetings

Browse by Journal and Year


   


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

Share
Citations

Abstract

A fiber optic Fourier transform spectrometer capable of coherent interferogram averaging is constructed, for the first time to our knowledge. One fiber arm of the interferometer is periodically stretched, and the amplitudes of the fundamental and second harmonics of the modulation frequency in the photocurrent output are simultaneously detected. Successful operation results from the generation of an external clock for sampling the interferogram from the detected outputs varying in phase quadrature. Even when the moving mirror in the interferometer translates nonlinearly and two fiber arms receive random perturbations independently, sampling can be uniformly performed along the interferogram. From the experiments, variation of sampling start position on each interferogram was limited within 100 nm during one hundred repetitive scans. For 100 coherent averages, therefore, the SNR increased by ~10 without deformation.

© 1990 Optical Society of America

History
Original Manuscript: October 11, 1989
Published: December 1, 1990

Citation
Kazumasa Takada, Masaru Kobayashi, and Juichi Noda, "Fiber optic Fourier transform spectrometer with a coherent interferogram averaging scheme," Appl. Opt. 29, 5170-5176 (1990)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-29-34-5170

You do not have subscription access to this journal. Citation lists with outbound citation links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

You do not have subscription access to this journal. Cited by links are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

You do not have subscription access to this journal. Figure files are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

You do not have subscription access to this journal. Article level metrics are available to subscribers only. You may subscribe either as an OSA member, or as an authorized user of your institution.

Contact your librarian or system administrator
or
Log in to access OSA Member Subscription

« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited