Paper
27 April 1995 Constant-bandwidth grating-lens spectrometer
Author Affiliations +
Proceedings Volume 2413, Color Hard Copy and Graphic Arts IV; (1995) https://doi.org/10.1117/12.207592
Event: IS&T/SPIE's Symposium on Electronic Imaging: Science and Technology, 1995, San Jose, CA, United States
Abstract
Most spectrometers illuminate a dispersing grating with collimated light. This form of the instrument is optimum when high spectral resolution is required. There are many applications such as color matching and desktop publishing that require only 10 nm resolution over the limited spectral region of 390 nm to 700 nm. In addition, the design must lead to a configuration that is affordable. This paper describes a spectrometer design that uses divergent light incident on a grating. The grating is followed by a glass lens used to focus the light on the exit slit. This design uses a simple scanning mechanism that combines the motion of the grating with the chromatic aberrations of the lens to produce a linear-dispersion constant-bandwidth spectrometer. In this configuration the spectrometer is compact a light.
© (1995) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Edward M. Granger and James M. Zavislan "Constant-bandwidth grating-lens spectrometer", Proc. SPIE 2413, Color Hard Copy and Graphic Arts IV, (27 April 1995); https://doi.org/10.1117/12.207592
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CITATIONS
Cited by 4 patents.
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KEYWORDS
Spectroscopy

Diffraction gratings

Spectral resolution

Chromatic aberrations

Monochromatic aberrations

Optical design

Monochromators

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