Abstract

Spectra are given to illustrate the performance of echelette gratings made by the Merton-N.P.L. process, when used in a commercial spectrometer. The necessary instrumental modifications are described, and it is shown that one of these gratings, suitably blazed, can be used to cover the range 2.5–15µ with resolution greatly in excess of prisms of lithium fluoride, calcium fluoride, and sodium chloride, and at less than 5 percent of the combined cost of these prisms.

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  1. Sir Thomas Merton, Proc. Roy. Soc. (London) A201, 187 (1950).
  2. G. D. Dew and L. A. Sayce, Proc. Roy. Soc. (London) A207, 278 (1951).
  3. G. D. Dew, J. Sci. Instr. 29, 277 (1952).
  4. R. G. N. Hall and L. A. Sayce, Proc. Roy. Soc. (London) A215, 536 (1952).
  5. G. D. Dew, J. Sci. Instr. 30, 229 (1953).
  6. J. D. S. Goulden, J. Sci. Instr. 29, 215 (1952).
  7. A. C. Menzies, J. Sci. Instr. 30, 441 (1953).
  8. H. Czerny and A. F. Turner, Z. Physik 61, 792 (1940).
  9. Tetlow, McAuslan, Brimley, and Price, J. Sci. Instr. 28, 161 (1951).
  10. A. R. H. Cole, J. Opt. Soc. Am. 43, 807 (1953).
  11. Downie, Magoon, Purcell, and Crawford, J. Opt. Soc. Am. 43, 941 (1953).
  12. A. Jackson, private communication, 2nd September, 1953.

Cole, A. R. H.

A. R. H. Cole, J. Opt. Soc. Am. 43, 807 (1953).

Czerny, H.

H. Czerny and A. F. Turner, Z. Physik 61, 792 (1940).

Dew, G. D.

G. D. Dew, J. Sci. Instr. 30, 229 (1953).

G. D. Dew, J. Sci. Instr. 29, 277 (1952).

G. D. Dew and L. A. Sayce, Proc. Roy. Soc. (London) A207, 278 (1951).

Goulden, J. D. S.

J. D. S. Goulden, J. Sci. Instr. 29, 215 (1952).

Hall, R. G. N.

R. G. N. Hall and L. A. Sayce, Proc. Roy. Soc. (London) A215, 536 (1952).

Jackson, A.

A. Jackson, private communication, 2nd September, 1953.

Menzies, A. C.

A. C. Menzies, J. Sci. Instr. 30, 441 (1953).

Merton, Sir Thomas

Sir Thomas Merton, Proc. Roy. Soc. (London) A201, 187 (1950).

Sayce, L. A.

R. G. N. Hall and L. A. Sayce, Proc. Roy. Soc. (London) A215, 536 (1952).

G. D. Dew and L. A. Sayce, Proc. Roy. Soc. (London) A207, 278 (1951).

Turner, A. F.

H. Czerny and A. F. Turner, Z. Physik 61, 792 (1940).

Other (12)

Sir Thomas Merton, Proc. Roy. Soc. (London) A201, 187 (1950).

G. D. Dew and L. A. Sayce, Proc. Roy. Soc. (London) A207, 278 (1951).

G. D. Dew, J. Sci. Instr. 29, 277 (1952).

R. G. N. Hall and L. A. Sayce, Proc. Roy. Soc. (London) A215, 536 (1952).

G. D. Dew, J. Sci. Instr. 30, 229 (1953).

J. D. S. Goulden, J. Sci. Instr. 29, 215 (1952).

A. C. Menzies, J. Sci. Instr. 30, 441 (1953).

H. Czerny and A. F. Turner, Z. Physik 61, 792 (1940).

Tetlow, McAuslan, Brimley, and Price, J. Sci. Instr. 28, 161 (1951).

A. R. H. Cole, J. Opt. Soc. Am. 43, 807 (1953).

Downie, Magoon, Purcell, and Crawford, J. Opt. Soc. Am. 43, 941 (1953).

A. Jackson, private communication, 2nd September, 1953.

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