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7 May 1996 DOE in DOIS: a diffractive optic image spectrometer
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Abstract
One limitation of diffractive optical elements (DOEs) or zone plate lenses is abundant chromatic aberration. A previous report described a novel system that exploits this typically unwanted effect to create an Image Spectrometer [Lyons 1995]. A DOE performs the imaging and provides the dispersion necessary to separate a multispectral target into separate spectral images. A CCD is stepped or scanned along the optical axis recording a series of these spectral images. This paper reports on the DOE that was fabricated, simulated and implemented in a visible DOIS prototype. The data from this prototype can be interpolated to predict the performance of fieldable DOIS systems that can be designed to operate at ultraviolet, visible or infrared [Hinnrichs 1995] wavelengths for multispectral and hyperspectral imaging in medicine, forensics, industrial and environmental monitoring, as well as military applications.
© (1996) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Denise M. Lyons and Kevin J. Whitcomb "DOE in DOIS: a diffractive optic image spectrometer", Proc. SPIE 2689, Diffractive and Holographic Optics Technology III, (7 May 1996); https://doi.org/10.1117/12.239631
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