OSA's Digital Library

Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 24, Iss. 6 — Mar. 15, 1985
  • pp: 808–815

High-accuracy displacement interferometry refin air

W. Tyler Estler  »View Author Affiliations


Applied Optics, Vol. 24, Issue 6, pp. 808-815 (1985)
http://dx.doi.org/10.1364/AO.24.000808


View Full Text Article

Enhanced HTML    Acrobat PDF (1083 KB)





Browse Journals / Lookup Meetings

Browse by Journal and Year


   


Lookup Conference Papers

Close Browse Journals / Lookup Meetings

Article Tools

Share
Citations

Abstract

The absolute accuracy of laser interferometers employed in displacement metrology is limited by two dominant factors: uncertainties in the source vacuum wavelength and the refractive index of the ambient air. In this paper we describe an interferometer system designed to minimize these uncertainties. Based on a commercial interferometer, the new system features direct measurement of the vacuum wavelength by frequency comparison with a portable iodine-stabilized He–Ne laser. The refractive index of air is computed from accurately measured values of pressure, temperature, and relative humidity. Combined with a desktop computer, the interferometer system permits the automated field measurement of displacement errors (such as those associated with precision machine tools) with an absolute accuracy of 8.5 parts in 108. Performance of the interferometer in field metrology is illustrated by the results of recent validation testing of the large optics diamond turning machine (LODTM) at Lawrence Livermore National Laboratory. These results highlight the need for new measurements of the absolute refractive index of standard air in order to reduce a limiting uncertainty on such measurements of ±5 parts in 108.

© 1985 Optical Society of America

History
Original Manuscript: November 8, 1984
Published: March 15, 1985

Citation
W. Tyler Estler, "High-accuracy displacement interferometry refin air," Appl. Opt. 24, 808-815 (1985)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-24-6-808


Sort:  Author  |  Year  |  Journal  |  Reset  

References

  1. N. J. Brown, R. R. Donaldson, D. C. Thompson, “Fabrication of Machined Optics for Precision Applications,” Proc. Soc. Photo-Opt. Instrum. Eng. 381, 48 (1983).
  2. R. R. Donaldson, “Technology of Machine Tools,” Vol. 5, UCRL-53960-5 (1980), Sec. 9.14.
  3. The identification of commercial instruments is given only for the sake of clarity. In no instance does such identification imply recommendation or endorsement by the National Bureau of Standards, nor does it imply that the particular equipment described is necessarily the best available for the described purpose.
  4. Hewlett-Packard model 5528A laser measurement system;see Hewlett-Packard J. 34, No. 4 (Apr.1983).
  5. R. J. Hocken, H. P. Layer, “Lasers For Dimensional Measurement,” Ann. CIRP 28/1, 303 (1979).
  6. J. M. Chartier, J. Helmcke, A. J. Wallard, “International Intercomparison of the Wavelength of Iodine-Stabilized Lasers,” IEEE Trans. Instrum. Meas. IM-25, 450 (1976). [CrossRef]
  7. D. A. Jennings et al., “Direct Frequency Measurement of the I2-Stabilized He–Ne 473-THz (633-nm) Laser,” Opt. Lett. 8, 136 (1983). [CrossRef] [PubMed]
  8. H. P. Layer, “A Portable Iodine Stabilized Helium-Neon Laser,” IEEE Trans. Instrum. Meas. IM-29, 358 (1980). [CrossRef]
  9. B. Edlen, “The Refractive Index of Air,” Metrologia 2, 71 (1966). [CrossRef]
  10. F. Jones, “The Refractivity of Air,” J. Res. Natl. Bur. Stand. 86, 27 (1981). [CrossRef]
  11. S. W. Wood, B. W. Mangum, J. J. Filliben, S. D. Tillet, “An Investigation of the Stability of Thermistors,” J. Res. Natl. Bur. Stand. 83, 247 (1978). [CrossRef]
  12. T. J. Edwards, “Observations on the Stability of Thermistors,” Rev. Sci. Instrum. 54, 613 (1983). [CrossRef]
  13. R. Revelle, “Carbon Dioxide and World Climate,” Sci. Am. 247, No. 2, 35 (Aug.1982). [CrossRef]

Cited By

Alert me when this paper is cited

OSA is able to provide readers links to articles that cite this paper by participating in CrossRef's Cited-By Linking service. CrossRef includes content from more than 3000 publishers and societies. In addition to listing OSA journal articles that cite this paper, citing articles from other participating publishers will also be listed.


« Previous Article  |  Next Article »

OSA is a member of CrossRef.

CrossCheck Deposited