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Applied Optics

Applied Optics


  • Vol. 23, Iss. 9 — May. 1, 1984
  • pp: 1299–1301

Calibration of diode laser spectra using a confocal etalon

Donald E. Jennings  »View Author Affiliations

Applied Optics, Vol. 23, Issue 9, pp. 1299-1301 (1984)

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No abstract available.

Original Manuscript: December 30, 1983
Published: May 1, 1984

Donald E. Jennings, "Calibration of diode laser spectra using a confocal etalon," Appl. Opt. 23, 1299-1301 (1984)

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  1. See, for example, S. P. Reddy, W. Ivanic, V. M. Devi, A. Baldacci, K. N. Rao, A. W. Mantz, R. S. Eng, “Tunable diode laser spectroscopy in the infrared: some practical considerations of techniques and calibration with ν2 lines of HCN,” Appl. Opt. 18, 1350 (1979). [CrossRef]
  2. M. Hercher, “The sperical mirror Fabry-Perot interferometer,” Appl. Opt. 7, 951 (1968); P. Connes, “Augmentation du produit luminosité x résolution des interférometres par l’emploi d’une différence de marche indépendente de l’incidence,” Rev. Opt. 35, 37 (1956); see also the use of a semiconfocal etalon by A. S. Pine, K. W. Nill, J. Mol. Spectrosc. 74, 43 (1978). [CrossRef] [PubMed]
  3. D. E. Jennings, “Absolute lines strengths in ν4, 12CH4: a dual-beam diode laser spectrometer with sweep integration,” Appl. Opt. 19, 2695 (1980). [CrossRef] [PubMed]
  4. The etalon produces a fringe pattern in He–Ne laser light and could be stabilized indefinitely, if necessary, to within ~1 MHz by locking to a He–Ne fringe. The FSR of 6328-Å He–Ne laser corresponds to 8 MHz at 12 μm.
  5. E. D. Hinkley, C. Freed, “Direct observation of the Lorenztian line shape as limited by quantum phase noise in a laser above threshold,” Phys. Rev. Lett. 23, 277 (1969). [CrossRef]
  6. D. E. Jennings, J. J. Hillman, “Shock isolator for diode laser operation on a closed-cycle refrigerator,” Rev. Sci. Instrum. 48, 1568 (1977). [CrossRef]
  7. The etalon cavity might also be used as a sample chamber in this mode to increase the effective optical path through the sample. This was tried here and found to enhance line absorptions by a factor of ~20.

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