- Tytuł:
- Laser frequency counting and frequency modulation width measurement from a FFT signal
- Autorzy:
- Křen, P.
- Powiązania:
- https://bibliotekanauki.pl/articles/221880.pdf
- Data publikacji:
- 2012
- Wydawca:
- Polska Akademia Nauk. Czytelnia Czasopism PAN
- Tematy:
-
laser
modulation width
frequency measurement
optical frequency synthesizer - Opis:
- A new method of 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 of detecting each period separately. The systematic error of FFT counting below 10 Hz is demonstrated and can be decreased. Additionally the modulation width of a frequency-stabilized laser with high frequency modulation index can be simultaneously measured during a carrier frequency measurement against an optical frequency synthesizer or other laser.
- Źródło:
-
Metrology and Measurement Systems; 2012, 19, 3; 565-572
0860-8229 - Pojawia się w:
- Metrology and Measurement Systems
- Dostawca treści:
- Biblioteka Nauki
Artykuł