• DocumentCode
    1455381
  • Title

    Amplitude noise and linewidth reduction of an Ar+ laser

  • Author

    Bisi, Marco ; Bertinetto, Fabrizio

  • Author_Institution
    Ist. di Metrol., Torino, Italy
  • Volume
    46
  • Issue
    2
  • fYear
    1997
  • fDate
    4/1/1997 12:00:00 AM
  • Firstpage
    153
  • Lastpage
    156
  • Abstract
    Frequency modulation spectroscopy is used to frequency stabilize an Ar+ laser at 515 nm with respect to a commercial passive cavity. Two transducers, a slow and a fast one, are used. The fast transducer is also used to perform amplitude stabilization of a laser beam. Measured amplitude and frequency spectral noise densities are reported. A simplified scheme of the circuitry used to reduce amplitude noise is shown. Noise characteristics of the realized system are adequate to perform spectroscopy of hyperfine-structure transitions of molecular iodine
  • Keywords
    argon; frequency measurement; frequency modulation; gas lasers; iodine; laser beam applications; laser frequency stability; laser mode locking; measurement standards; modulation spectroscopy; optical modulation; 0.1 Hz to 100 kHz; 515 nm; Ar; Ar+ laser; I2; amplitude noise; commercial passive cavity; frequency modulation spectroscopy; frequency noise; frequency spectral noise densities; hyperfine-structure transitions; linewidth reduction; molecular iodine; optical frequency standard; stabilisation; Argon; Circuit noise; Frequency modulation; Laser noise; Laser stability; Laser transitions; Noise level; Noise reduction; Spectroscopy; Transducers;
  • fLanguage
    English
  • Journal_Title
    Instrumentation and Measurement, IEEE Transactions on
  • Publisher
    ieee
  • ISSN
    0018-9456
  • Type

    jour

  • DOI
    10.1109/19.571800
  • Filename
    571800