Synthetic infrared spectra for correlation spectroscopy

Michael B. Sinclair, Michael A. Butler, Antonio J. Ricco, Stanley H. Kravitz, W. J. Zubrzycki, Mial E. Warren

Research output: Contribution to journalConference articlepeer-review


As a first step toward the development of a new remote sensing technique that we call "holographic correlation spectroscopy," we demonstrate that diffractive optics can be used to synthesize the IR spectra of real compounds. In particular, we have designed, fabricated, and characterized a diffractive element that successfully reproduces the major features of the spectrum of gaseous HF in the region between 3600 cm-1 and 4300 cm-1. The reflection-mode diffractive optic consists of 4096 lines, each 4.5 micrometers wide, at 16 discrete depths relative to the substrate, and was fabricated on a silicon wafer using anisotropic reactive ion-beam etching in a four-mask-level process. We envision the use diffractive elements of this type to replace the cumbersome reference cells of conventional correlation spectroscopy and thereby enable a new class of compact and versatile correlation spectrometers.

Original languageEnglish (US)
Pages (from-to)350-356
Number of pages7
JournalProceedings of SPIE - The International Society for Optical Engineering
StatePublished - 1997
Externally publishedYes
EventImaging Spectrometry III - San Diego, CA, United States
Duration: Jul 28 1997Jul 28 1997


  • Correlation spectroscopy
  • Diffractive optics
  • Infrared spectroscopy
  • Synthetic spectra

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Condensed Matter Physics
  • Computer Science Applications
  • Applied Mathematics
  • Electrical and Electronic Engineering


Dive into the research topics of 'Synthetic infrared spectra for correlation spectroscopy'. Together they form a unique fingerprint.

Cite this