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Description
  • New method for optical frequency beat counting based on fast Fourier transform (FFT) analysis is described. Signals with a worse signal-to-noise ratio can be counted correctly comparing to the conventional counting method detecting each period separately. The systematic error of FFT counting below 10 Hz is demonstrated and can be further decreased. Additionally the modulation width of frequency stabilized laser with high frequency modulation index can be simultaneously measured during a carrier frequency measurement against optical frequency synthesizer or other laser.
  • New method for optical frequency beat counting based on fast Fourier transform (FFT) analysis is described. Signals with a worse signal-to-noise ratio can be counted correctly comparing to the conventional counting method detecting each period separately. The systematic error of FFT counting below 10 Hz is demonstrated and can be further decreased. Additionally the modulation width of frequency stabilized laser with high frequency modulation index can be simultaneously measured during a carrier frequency measurement against optical frequency synthesizer or other laser. (en)
Title
  • LASER FREQUENCY COUNTING AND FREQUENCY MODULATION WIDTH MEASUREMENT FROM FFT SIGNAL
  • LASER FREQUENCY COUNTING AND FREQUENCY MODULATION WIDTH MEASUREMENT FROM FFT SIGNAL (en)
skos:prefLabel
  • LASER FREQUENCY COUNTING AND FREQUENCY MODULATION WIDTH MEASUREMENT FROM FFT SIGNAL
  • LASER FREQUENCY COUNTING AND FREQUENCY MODULATION WIDTH MEASUREMENT FROM FFT SIGNAL (en)
skos:notation
  • RIV/00177016:_____/12:#0000722!RIV13-MSM-00177016
http://linked.open...avai/predkladatel
http://linked.open...avai/riv/aktivita
http://linked.open...avai/riv/aktivity
  • V
http://linked.open...iv/cisloPeriodika
  • 3
http://linked.open...vai/riv/dodaniDat
http://linked.open...aciTvurceVysledku
http://linked.open.../riv/druhVysledku
http://linked.open...iv/duvernostUdaju
http://linked.open...titaPredkladatele
http://linked.open...dnocenehoVysledku
  • 146478
http://linked.open...ai/riv/idVysledku
  • RIV/00177016:_____/12:#0000722
http://linked.open...riv/jazykVysledku
http://linked.open.../riv/klicovaSlova
  • laser; modulation width; frequency measurement; optical frequency synthesizer (en)
http://linked.open.../riv/klicoveSlovo
http://linked.open...odStatuVydavatele
  • PL - Polská republika
http://linked.open...ontrolniKodProRIV
  • [C1130BEA26CC]
http://linked.open...i/riv/nazevZdroje
  • Metrology and Measurement Systems
http://linked.open...in/vavai/riv/obor
http://linked.open...ichTvurcuVysledku
http://linked.open...cetTvurcuVysledku
http://linked.open...UplatneniVysledku
http://linked.open...v/svazekPeriodika
  • 19
http://linked.open...iv/tvurceVysledku
  • Křen, Petr
issn
  • 0860-8229
number of pages
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