Abstract

A study of the spectrum resolution, wavelength range, and primary aberration of the asymmetrical crossed Czerny–Turner spectrometer is presented by deducing the relationship between them and structural parameters of the spectrometer in a new way of thinking based on simple but effective geometric models. The analysis was verified in an experiment and simulation performed on the optical design program ZEMAX, and the obtained results agree with the analysis. Owing to the analysis, initial designed parameters of the spectrometer were given and then optimized by ZEMAX; with the instruction of the study, a small adjustment was made in the actual alignment to obtain the desired final spectrometer. The spectrometer successfully measured the last four characteristic peaks of the Raman spectrum of CCL4, which demonstrates that the research provides important guidance to the design and alignment of an asymmetrical crossed Czerny–Turner spectrometer.

© 2015 Optical Society of America

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Supplementary Material (1)

NameDescription
» Data File 1: CSV (28 KB)      Spectrogram values of mercury and CCL4

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