Abstract

A varioilluminator is a double monochromator in which the dispersion in the second half of the instrument is subtractive rather than additive and in which the central slit can be opened very wide. The wavelength bandpass depends almost entirely upon the width of the central slit. The jaws of the central slit in the instrument described here were made independently variable, so that the long and short wavelength cutoffs could be independently selected. Quartz or glass prisms could be used, and bandpasses from about 15 Å to several hundred Å could be chosen.

© 1973 Optical Society of America

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References

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  1. P. H. van Cittert, Physica 3, 181 (1923).
  2. R. Havemann, A. Gamon, H. Ernst, Exptl. Tech. Phys. 1, 192 (1953).
  3. W. S. Stiles, Phys. Soc. Yearbook 44 (1955).
  4. G. A. Boutry, Instrumental Optics (Interscience, New York, 1961), p. 532–535.
  5. P. H. van Cittert, Rev. Opt. 5, 393 (1926).
  6. P. H. van Cittert, Z. Instrumentenk. 46, 557 (1926).
  7. R. L. Christensen, R. J. Potter, Appl. Opt. 2, 1049 (1963).
    [CrossRef]
  8. W. Witte, Optik 22, 464 (1965) (National Research Council of Canada, Technical Translation TT 1272).
  9. C. Leiss, Z. Phys. 77, 412 (1932).
    [CrossRef]
  10. M. Dühmke, Phys. Z. 43, 33 (1942) (National Research Council of Canada, Technical Translation 1247).
  11. R. Tousey, in The Middle Ultraviolet: its Science and Technology, A. E. S. Green, Ed. (Wiley, New York, 1966), p. 13–17.
  12. H. H. Thiessing, P. J. Caplan, T. E. Wanizky, G. de Lhery, Appl. Opt. 2, 291 (1963).
    [CrossRef]
  13. F. R. Lipsett, G. Bechthold, F. D. Blair, F. V. Cairns, D. H. O’Hara, Appl. Opt. 9, 1312 (1970).
    [CrossRef] [PubMed]

1970 (1)

1965 (1)

W. Witte, Optik 22, 464 (1965) (National Research Council of Canada, Technical Translation TT 1272).

1963 (2)

1955 (1)

W. S. Stiles, Phys. Soc. Yearbook 44 (1955).

1953 (1)

R. Havemann, A. Gamon, H. Ernst, Exptl. Tech. Phys. 1, 192 (1953).

1942 (1)

M. Dühmke, Phys. Z. 43, 33 (1942) (National Research Council of Canada, Technical Translation 1247).

1932 (1)

C. Leiss, Z. Phys. 77, 412 (1932).
[CrossRef]

1926 (2)

P. H. van Cittert, Rev. Opt. 5, 393 (1926).

P. H. van Cittert, Z. Instrumentenk. 46, 557 (1926).

1923 (1)

P. H. van Cittert, Physica 3, 181 (1923).

Bechthold, G.

Blair, F. D.

Boutry, G. A.

G. A. Boutry, Instrumental Optics (Interscience, New York, 1961), p. 532–535.

Cairns, F. V.

Caplan, P. J.

Christensen, R. L.

de Lhery, G.

Dühmke, M.

M. Dühmke, Phys. Z. 43, 33 (1942) (National Research Council of Canada, Technical Translation 1247).

Ernst, H.

R. Havemann, A. Gamon, H. Ernst, Exptl. Tech. Phys. 1, 192 (1953).

Gamon, A.

R. Havemann, A. Gamon, H. Ernst, Exptl. Tech. Phys. 1, 192 (1953).

Havemann, R.

R. Havemann, A. Gamon, H. Ernst, Exptl. Tech. Phys. 1, 192 (1953).

Leiss, C.

C. Leiss, Z. Phys. 77, 412 (1932).
[CrossRef]

Lipsett, F. R.

O’Hara, D. H.

Potter, R. J.

Stiles, W. S.

W. S. Stiles, Phys. Soc. Yearbook 44 (1955).

Thiessing, H. H.

Tousey, R.

R. Tousey, in The Middle Ultraviolet: its Science and Technology, A. E. S. Green, Ed. (Wiley, New York, 1966), p. 13–17.

van Cittert, P. H.

P. H. van Cittert, Rev. Opt. 5, 393 (1926).

P. H. van Cittert, Z. Instrumentenk. 46, 557 (1926).

P. H. van Cittert, Physica 3, 181 (1923).

Wanizky, T. E.

Witte, W.

W. Witte, Optik 22, 464 (1965) (National Research Council of Canada, Technical Translation TT 1272).

Appl. Opt. (3)

Exptl. Tech. Phys. (1)

R. Havemann, A. Gamon, H. Ernst, Exptl. Tech. Phys. 1, 192 (1953).

Optik (1)

W. Witte, Optik 22, 464 (1965) (National Research Council of Canada, Technical Translation TT 1272).

Phys. Soc. Yearbook (1)

W. S. Stiles, Phys. Soc. Yearbook 44 (1955).

Phys. Z. (1)

M. Dühmke, Phys. Z. 43, 33 (1942) (National Research Council of Canada, Technical Translation 1247).

Physica (1)

P. H. van Cittert, Physica 3, 181 (1923).

Rev. Opt. (1)

P. H. van Cittert, Rev. Opt. 5, 393 (1926).

Z. Instrumentenk. (1)

P. H. van Cittert, Z. Instrumentenk. 46, 557 (1926).

Z. Phys. (1)

C. Leiss, Z. Phys. 77, 412 (1932).
[CrossRef]

Other (2)

R. Tousey, in The Middle Ultraviolet: its Science and Technology, A. E. S. Green, Ed. (Wiley, New York, 1966), p. 13–17.

G. A. Boutry, Instrumental Optics (Interscience, New York, 1961), p. 532–535.

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Figures (3)

Fig. 1
Fig. 1

Diagram of the varioilluminator: S1, entrance slit; S3, exit slit; PM, plane mirror; SM, spherical mirror, focal length 290 mm; PR, prism; BJ, blue central slit jaw; RJ, red central slit jaw; BA, base casting; W, micrometer; LB, light baffle.

Fig. 2
Fig. 2

Diagram illustrating the intensity of light transmitted by the varioilluminator as a function of wavelength. The nomenclature used to describe the bandpass is given. Curve 1 (thick line)—type of curve recorded from a high pressure xenon lamp. The peaks near the central wavelength represent lines superimposed on the continuum at certain wavelengths. Curve 2 (thin lines)—idealized profile of transmitted light.

Fig. 3
Fig. 3

Diagram of charts used to determine micrometer settings for a given bandpass. (a) Chart on transparent material that is placed over (b). See example in text.

Tables (1)

Tables Icon

Table I Cutoff Widths for Quartz Prisms

Metrics