Abstract

The field-compensation principle, which has been applied to interferometric spectroscopy independently by P. Connes and by L. Mertz, allows the useful solid angle accepted by an interferometer to be increased by an amount that can be very large. This paper is concerned with a particular application of this principle using the Michelson interferometer. Although the technique is difficult to utilize where a wide range of path differences is required, the interferometer takes an extremely simple form when constructed for a narrow range of path difference about a fixed central path difference. While such an instrument has a limited use in spectroscopy, there is one type of measurement which it is admirably suited to perform: the determination of the width of a single isolated atomic line whose analytical shape is known. A description is given of the theory and construction of a wide-angle Michelson interferometer now being used for the measurement of Doppler temperatures from the width of the 5577 Å atomic oxygen line in the nightglow and aurora. This line is known to be accurately gaussian in shape, and is well-isolated from other lines, making it an ideal subject for this instrument.

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  1. P. Jacquinot, J. Opt. Soc. Am. 44, 761 (1954).
  2. R. Chabbal, Thèses, Université de Paris, 1958.
  3. J. E. Mack, D. P. McNutt, F. L. Roesler, and R. Chabbal, Appl. Opt. 2, 873 (1963).
  4. G. G. Shepherd, C. W. Lake, J. R. Miller, and L. L. Cogger, Appl. Opt. 4, 267 (1965).
  5. P. Fellgett, J. Phys. Radium 19, 237 (1958).
  6. J. Connes, J. Phys. Radium 19, 197 (1958).
  7. H. A. Gebbie, J. Phys. Radium 19, 230 (1958).
  8. J. Connes and H. Gush, J. Phys. Radium 20, 915 (1959).
  9. P. Connes, J. Phys. Radium 19, 215 (1958).
  10. A. Girard, Appl. Opt. 2, 79 (1963).
  11. B. A. Tinsley, J. Opt. Soc. Am. 55, 599A (1965).
  12. P. Jacquinot, Rep. Progr. Phys. 23, 267 (1960).
  13. D. M. Hunten, Ann. Geophys. 17, 249 (1961).
  14. J. A. Nilson and G. G. Shepherd, Planetary Space Sci. 5, 299 (1961).
  15. E. C. Turgeon and G. G. Shepherd, Planetary Space Sci. 9, 295 (1962).
  16. A. R. Bens, L. L. Cogger, and G. G. Shepherd, Planetary Space Sci. 13, 551 (1965).
  17. G. Hansen, Optik 12, 5 (1955).
  18. G. Hansen and W. Kinder, Optik 15, 560 (1958).
  19. The authors are indebted to Dr. W. H. Steel for drawing these references to their attention.
  20. P. Connes, Rev. Opt. 35, 37 (1956).
  21. L. Mertz, preprints of papers presented at the Fifth Meeting and Conference of the I. C. O., Stockholm, Aug. 1959. Ed.: E. Ingelstam.
  22. P. Connes, J. Phys. Radium 19, 262 (1958).
  23. A. A. Michelson, Studies in Optics, (University of Chicago Press, Chicago, 1927).
  24. Of course, for a grating spectrometer, the angle φ determines only the slit width; the slit length must also be considered in comparing the two instruments.
  25. The assembly was fabricated by Hilger and Watts, Inc.
  26. R. L. Hilliard and G. G. Shepherd, Planetary Space Sci. (to be published, 1966).

Bens, A. R.

A. R. Bens, L. L. Cogger, and G. G. Shepherd, Planetary Space Sci. 13, 551 (1965).

Chabbal, R.

R. Chabbal, Thèses, Université de Paris, 1958.

J. E. Mack, D. P. McNutt, F. L. Roesler, and R. Chabbal, Appl. Opt. 2, 873 (1963).

Cogger, L. L.

A. R. Bens, L. L. Cogger, and G. G. Shepherd, Planetary Space Sci. 13, 551 (1965).

G. G. Shepherd, C. W. Lake, J. R. Miller, and L. L. Cogger, Appl. Opt. 4, 267 (1965).

Connes, J.

J. Connes and H. Gush, J. Phys. Radium 20, 915 (1959).

J. Connes, J. Phys. Radium 19, 197 (1958).

Connes, P.

P. Connes, J. Phys. Radium 19, 262 (1958).

P. Connes, Rev. Opt. 35, 37 (1956).

P. Connes, J. Phys. Radium 19, 215 (1958).

Fellgett, P.

P. Fellgett, J. Phys. Radium 19, 237 (1958).

Gebbie, H. A.

H. A. Gebbie, J. Phys. Radium 19, 230 (1958).

Girard, A.

A. Girard, Appl. Opt. 2, 79 (1963).

Gush, H.

J. Connes and H. Gush, J. Phys. Radium 20, 915 (1959).

Hansen, G.

G. Hansen and W. Kinder, Optik 15, 560 (1958).

G. Hansen, Optik 12, 5 (1955).

Hilliard, R. L.

R. L. Hilliard and G. G. Shepherd, Planetary Space Sci. (to be published, 1966).

Hunten, D. M.

D. M. Hunten, Ann. Geophys. 17, 249 (1961).

Jacquinot, P.

P. Jacquinot, J. Opt. Soc. Am. 44, 761 (1954).

P. Jacquinot, Rep. Progr. Phys. 23, 267 (1960).

Kinder, W.

G. Hansen and W. Kinder, Optik 15, 560 (1958).

Lake, C. W.

G. G. Shepherd, C. W. Lake, J. R. Miller, and L. L. Cogger, Appl. Opt. 4, 267 (1965).

Mack, J. E.

J. E. Mack, D. P. McNutt, F. L. Roesler, and R. Chabbal, Appl. Opt. 2, 873 (1963).

McNutt, D. P.

J. E. Mack, D. P. McNutt, F. L. Roesler, and R. Chabbal, Appl. Opt. 2, 873 (1963).

Mertz, L.

L. Mertz, preprints of papers presented at the Fifth Meeting and Conference of the I. C. O., Stockholm, Aug. 1959. Ed.: E. Ingelstam.

Michelson, A. A.

A. A. Michelson, Studies in Optics, (University of Chicago Press, Chicago, 1927).

Miller, J. R.

G. G. Shepherd, C. W. Lake, J. R. Miller, and L. L. Cogger, Appl. Opt. 4, 267 (1965).

Nilson, J. A.

J. A. Nilson and G. G. Shepherd, Planetary Space Sci. 5, 299 (1961).

Roesler, F. L.

J. E. Mack, D. P. McNutt, F. L. Roesler, and R. Chabbal, Appl. Opt. 2, 873 (1963).

Shepherd, G. G.

R. L. Hilliard and G. G. Shepherd, Planetary Space Sci. (to be published, 1966).

A. R. Bens, L. L. Cogger, and G. G. Shepherd, Planetary Space Sci. 13, 551 (1965).

J. A. Nilson and G. G. Shepherd, Planetary Space Sci. 5, 299 (1961).

G. G. Shepherd, C. W. Lake, J. R. Miller, and L. L. Cogger, Appl. Opt. 4, 267 (1965).

E. C. Turgeon and G. G. Shepherd, Planetary Space Sci. 9, 295 (1962).

Tinsley, B. A.

B. A. Tinsley, J. Opt. Soc. Am. 55, 599A (1965).

Turgeon, E. C.

E. C. Turgeon and G. G. Shepherd, Planetary Space Sci. 9, 295 (1962).

Other (26)

P. Jacquinot, J. Opt. Soc. Am. 44, 761 (1954).

R. Chabbal, Thèses, Université de Paris, 1958.

J. E. Mack, D. P. McNutt, F. L. Roesler, and R. Chabbal, Appl. Opt. 2, 873 (1963).

G. G. Shepherd, C. W. Lake, J. R. Miller, and L. L. Cogger, Appl. Opt. 4, 267 (1965).

P. Fellgett, J. Phys. Radium 19, 237 (1958).

J. Connes, J. Phys. Radium 19, 197 (1958).

H. A. Gebbie, J. Phys. Radium 19, 230 (1958).

J. Connes and H. Gush, J. Phys. Radium 20, 915 (1959).

P. Connes, J. Phys. Radium 19, 215 (1958).

A. Girard, Appl. Opt. 2, 79 (1963).

B. A. Tinsley, J. Opt. Soc. Am. 55, 599A (1965).

P. Jacquinot, Rep. Progr. Phys. 23, 267 (1960).

D. M. Hunten, Ann. Geophys. 17, 249 (1961).

J. A. Nilson and G. G. Shepherd, Planetary Space Sci. 5, 299 (1961).

E. C. Turgeon and G. G. Shepherd, Planetary Space Sci. 9, 295 (1962).

A. R. Bens, L. L. Cogger, and G. G. Shepherd, Planetary Space Sci. 13, 551 (1965).

G. Hansen, Optik 12, 5 (1955).

G. Hansen and W. Kinder, Optik 15, 560 (1958).

The authors are indebted to Dr. W. H. Steel for drawing these references to their attention.

P. Connes, Rev. Opt. 35, 37 (1956).

L. Mertz, preprints of papers presented at the Fifth Meeting and Conference of the I. C. O., Stockholm, Aug. 1959. Ed.: E. Ingelstam.

P. Connes, J. Phys. Radium 19, 262 (1958).

A. A. Michelson, Studies in Optics, (University of Chicago Press, Chicago, 1927).

Of course, for a grating spectrometer, the angle φ determines only the slit width; the slit length must also be considered in comparing the two instruments.

The assembly was fabricated by Hilger and Watts, Inc.

R. L. Hilliard and G. G. Shepherd, Planetary Space Sci. (to be published, 1966).

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