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Optics Letters

Optics Letters


  • Vol. 22, Iss. 13 — Jul. 1, 1997
  • pp: 1036–1038

Synthetic infrared spectra

M. B. Sinclair, M. A. Butler, S. H. Kravitz, W. J. Zubrzycki, and A. J. Ricco  »View Author Affiliations

Optics Letters, Vol. 22, Issue 13, pp. 1036-1038 (1997)

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We have designed, microfabricated, and characterized a diffractive optical element that reproduces the infrared spectrum of HF from 3600 to 4300 cm-1 . The reflection-mode diffractive optic consists of 4096 lines, each 4.5μm wide, at 16 discrete depths relative to the substrate from 0 to 1.2 μm and was fabricated upon a silicon wafer by anisotropic reactive ion-beam etching in a four-mask-level process. We envisage the use of diffractive optical elements of this type as the basis for a new class of miniaturized, remote chemical sensor systems based on correlation spectroscopy.

© 1997 Optical Society of America

M. B. Sinclair, M. A. Butler, S. H. Kravitz, W. J. Zubrzycki, and A. J. Ricco, "Synthetic infrared spectra," Opt. Lett. 22, 1036-1038 (1997)

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