Abstract

A vacuum spectrometer capable of obtaining resolution approaching the maximum theoretical resolution of a 7-in. diffraction grating doubly passed has been constructed for use in the region of sensitivity of lead sulfide photo conductive cells. The design and construction of that instrument and its performance in the resolution of spectral details and the measurement of wavelengths are discussed.

© 1959 Optical Society of America

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References

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  1. Rank, Rix, and Wiggins, J. Opt. Soc. Am. 43, 157 (1953).
    [Crossref]
  2. Rank, Shull, and Wiggins, J. Opt. Soc. Am. 43, 214 (1953).
    [Crossref]
  3. Rank, Shull, Bennett, and Wiggins, J. Opt. Soc. Am. 43, 952 (1953).
    [Crossref]
  4. J. N. Shearer and T. A. Wiggins, J. Opt. Soc. Am. 45, 133 (1955).
    [Crossref]
  5. Shearer, Wiggins, Guenther, and Rank, J. Chem. Phys. 25, 724 (1956).
    [Crossref]
  6. Rank, Guenther, Shearer, and Wiggins, J. Opt. Soc. Am. 47, 144 (1957).
    [Crossref]
  7. Rank, Guenther, Shearer, and Wiggins, J. Opt. Soc. Am. 47, 686 (1957).
    [Crossref]
  8. Rao, Ryan, and Nielsen, J. Opt. Soc. Am. 44, 216 (1959).
    [Crossref]
  9. G. Herzberg, Infrared and Raman Spectra (D. Van Nostrand Company, Inc., Princeton, New Jersey, 1945), p. 390.
  10. A. E. Douglas and D. Sharma, J. Chem. Phys. 22, 275 (1953).
  11. Rank, Guenther, Saksena, Shearer, and Wiggins, J. Opt. Soc. Am. 47, 686 (1957).
    [Crossref]

1959 (1)

Rao, Ryan, and Nielsen, J. Opt. Soc. Am. 44, 216 (1959).
[Crossref]

1957 (3)

1956 (1)

Shearer, Wiggins, Guenther, and Rank, J. Chem. Phys. 25, 724 (1956).
[Crossref]

1955 (1)

1953 (4)

Bennett,

Douglas, A. E.

A. E. Douglas and D. Sharma, J. Chem. Phys. 22, 275 (1953).

Guenther,

Herzberg, G.

G. Herzberg, Infrared and Raman Spectra (D. Van Nostrand Company, Inc., Princeton, New Jersey, 1945), p. 390.

Nielsen,

Rao, Ryan, and Nielsen, J. Opt. Soc. Am. 44, 216 (1959).
[Crossref]

Rank,

Rao,

Rao, Ryan, and Nielsen, J. Opt. Soc. Am. 44, 216 (1959).
[Crossref]

Rix,

Ryan,

Rao, Ryan, and Nielsen, J. Opt. Soc. Am. 44, 216 (1959).
[Crossref]

Saksena,

Sharma, D.

A. E. Douglas and D. Sharma, J. Chem. Phys. 22, 275 (1953).

Shearer,

Shearer, J. N.

Shull,

Wiggins,

Wiggins, T. A.

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Figures (4)

F. 1
F. 1

The optical path of the spectrometer. The spectrum which is focused in the S—S′ plane is reimaged in the plane of the exit slit, S2. Translation of the carriage bearing mirrors M4 and M5 causes the reimaged spectrum to move across the exit slit.

F. 2
F. 2

The method of attaching the end plates to the pipe. Ten bolts and lugs are used on each end. Slits in the innertube which fit around the lugs hold the innertube in place when the end plates are removed. The end plate rests on two horizontal bars which support its weight when the bolts are removed.

F. 3
F. 3

The frame of the spectrometer. The frame was constructed of lightweight railroad track and half-inch steel plates. Its weight is borne by a leveling screw at each corner. The vacuum chamber is supported by three concrete block piers, one in the center and one under each of the pairs of plates which bear the leveling screws.

F. 4
F. 4

Q branch of the 0221-0110 band of HCN at 3987 cm−1. The strong line at the position of the J = 10 line in the Q branch is the sixth P branch line of 0111-000. The weak lines between the Q branch lines have not been identified.