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Applied Optics

Applied Optics


  • Vol. 28, Iss. 21 — Nov. 1, 1989
  • pp: 4525–4532

Infrared tunable diode laser control: frequency stabilization and digitization of spectra leading to high sensitivity and accurate frequency scale

Christophe Nicolas and Arlan W. Mantz  »View Author Affiliations

Applied Optics, Vol. 28, Issue 21, pp. 4525-4532 (1989)

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An infrared diode laser is frequency stabilized to a tunable internally coupled Fabry-Perot interferometer (icFPI). Diode laser spectra are digitally recorded utilizing a step-by-step tuning and stabilization sequence of the icFPI. Fringes from a frequency stabilized reference He–Ne laser are used to control digital sampling steps. While improving significantly the spectral SNR, this method is combined with a confocal Fabry-Perot etalon, thus providing a frequency scale accuracy of ∼3.5 × 10−5 cm−1 over a 1-cm−1 scan. The method is shown to be consistent with high resolution Fourier transform and heterodyne spectroscopy results.

© 1989 Optical Society of America

Original Manuscript: February 8, 1989
Published: November 1, 1989

Christophe Nicolas and Arlan W. Mantz, "Infrared tunable diode laser control: frequency stabilization and digitization of spectra leading to high sensitivity and accurate frequency scale," Appl. Opt. 28, 4525-4532 (1989)

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  1. A reprint list referring to about 1000 publications concerning infrared tunable diode laser applications is available on request from the authors.
  2. P. Connes, “L'étalon de Fabry-Perot sphérique,” J. Phys. Rad. 19, 262–000 (1958). [CrossRef]
  3. D. E. Jennings, “Calibration of Diode Laser Spectra Using a Confocal Etalon,” Appl. Opt. 23, 1299–1301 (1984). [CrossRef] [PubMed]
  4. M. Reich, R. Schieder, H. J. Clar, G. Winnewisser, “Internally Coupled Fabry-Perot Interferometer for High Precision Wavelength Control of Tunable Diode Lasers,” Appl. Opt. 25, 130–135 (1986). [CrossRef] [PubMed]
  5. M. Reich, “Wellenlängenmessung und Stabilisierung von Dio-denlasern,” Diplomarbeit, p. 61, Ausgeführt am I. Physikalischen Institut der Universität zu Köln (1984);K. Okumura, M. Ohi, “Frequency Stabilization Under Very Small Modulation and its Stability Estimation of a PbSnTe Diode Laser,” IEEE J. Quantum Electron. QE-21, 1229–1235 (1985). [CrossRef]
  6. R. S. Eng, A. W. Mantz, T. R. Todd, “Low-Frequency Noise Characteristics of Pb-Salt Semiconductor Lasers,” Appl. Opt. 18, 1088–1091 (1979). [CrossRef] [PubMed]
  7. J. A. Silver, A. C. Stanton, “Optical Interference Fringe Reduction in Laser Absorption Experiments,” Appl. Opt. 27, 1914–1916 (1988). [CrossRef] [PubMed]
  8. A. Valentin, C. Nicolas, L. Henry, A. W. Mantz, “Tunable Diode Laser Control by a Stepping Michelson Interferometer,” Appl. Opt. 26, 41–46 (1987);and also C. Nicolas, “Spectrométrie de haute précision dans l'infrarouge par transformation de Fourier et par diode laser asservie en fréquence,” Thèse de Doctorat en Science, Université Paris-Sud (1985). [CrossRef] [PubMed]
  9. H. J. Clar, R. Schieder, M. Reich, G. Winnewisser, “High Precision Frequency Calibration of Tunable Diode Lasers Stabilized on an Internally Coupled Fabry-Perot Interferometer,” Appl. Opt. 28, 1648–1656 (1989). [CrossRef] [PubMed]
  10. J. S. Wells, A. Hinz, A. G. Maki, “Heterodyne Frequency Measurements on N2O Between 1257 and 1340 cm−1,” J. Mol. Spectrosc. 114, 84–96 (1985). [CrossRef]
  11. R. A. Toth, “N2O Vibration–Rotation Parameters Derived from Measurements in the 900–1090- and 1580–2380-cm−1 Regions,” J. Opt. Soc. Am. B 4, 357–374 (1987). [CrossRef]

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