INSCAN PRO: a fast ultraviolet spectrometer design approach

Brian Walker Myer; João Mendanha Dias

doi:10.1117/12.2026297

18 November 2013 INSCAN PRO: a fast ultraviolet spectrometer design approach

Brian Walker Myer, João Mendanha Dias

Proceedings Volume 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications; 87851F (2013) https://doi.org/10.1117/12.2026297
Event: 8th Ibero American Optics Meeting/11th Latin American Meeting on Optics, Lasers, and Applications, 2013, Porto, Portugal

Abstract

Spectroscopy diagnostic techniques have applications in such diverse areas as mechanical and aerospace engineering, physical chemistry, optics, food and pharmaceutical industries. However, the technological state-of-the-art spectrometers do not allow very fast processes to be evaluated or controlled. This ability is crucial in the optimization of industrial processes (welding, burning flames, spark ignition, pulsed radiolysis…) where more theoretical-experimental analysis should be performed. The INSCAN project aims to overcome this technological limitation, to satisfy needs in academia and industrial markets, by developing a compact spectrometer with focal lengths less than 200 mm, taking into account three important aspects: acquisition rate of approximately 10 kHz spectra, spectral resolution on the order of 0.1 nm and operating in the spectral range 200 nm to 700 nm. Initial work is described on the optical design of the device and several possible approaches to achieve the specifications are considered. To guide the first order design, we relate the optical linewidth, spectral bandwidth and imaging properties to component characteristics. The symmetrical Czerny-Turner optical mount was chosen for its flexibility and elaborated using ZEMAX. Predictions made based on the simulated system are compared with calibration and characterization measurements on an experimental test bench used to refine the model assumptions.

Citation Download Citation

Brian Walker Myer and João Mendanha Dias "INSCAN PRO: a fast ultraviolet spectrometer design approach", Proc. SPIE 8785, 8th Iberoamerican Optics Meeting and 11th Latin American Meeting on Optics, Lasers, and Applications, 87851F (18 November 2013); https://doi.org/10.1117/12.2026297

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KEYWORDS

Spectroscopy

Sensors

Calibration

Spectral resolution

Diffraction gratings

Zemax

Diffraction

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