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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 44, Iss. 23 — Aug. 10, 2005
  • pp: 4874–4883

Chirped holographic grating used as the dispersive element in an optical spectrometer

Gilles Fortin and Nathalie McCarthy  »View Author Affiliations


Applied Optics, Vol. 44, Issue 23, pp. 4874-4883 (2005)
http://dx.doi.org/10.1364/AO.44.004874


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Abstract

We have developed a new design of optical spectrometer based on the use of a chirped holographic grating inscribed on a flat substrate. This type of grating has a surface modulation with a spatially varying period. The ability of the chirped grating to focus a beam is exploited to reduce significantly the physical dimensions of the instrument. Wavelength selection is achieved by a pure translation of the chirped grating. The properties of the chirped grating spectrometer have been characterized with different lasers and arc lamps and compared with those of two commercial spectrometers. A performance parameter has been defined, enabling the various instruments to be compared.

© 2005 Optical Society of America

OCIS Codes
(050.0050) Diffraction and gratings : Diffraction and gratings
(050.1590) Diffraction and gratings : Chirping
(050.1950) Diffraction and gratings : Diffraction gratings
(120.0120) Instrumentation, measurement, and metrology : Instrumentation, measurement, and metrology
(120.4140) Instrumentation, measurement, and metrology : Monochromators
(120.6200) Instrumentation, measurement, and metrology : Spectrometers and spectroscopic instrumentation

History
Original Manuscript: October 19, 2004
Revised Manuscript: March 9, 2005
Manuscript Accepted: March 21, 2005
Published: August 10, 2005

Citation
Gilles Fortin and Nathalie McCarthy, "Chirped holographic grating used as the dispersive element in an optical spectrometer," Appl. Opt. 44, 4874-4883 (2005)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-44-23-4874

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