Optical Design of an Integrated Paschen–Runge Spectrometer by Using a Multigrating Structure

An integrated direct-reading spectrometer scheme using seven concave gratings is proposed. At present, the optical design simulation has been completed, and the subsequent physical design may be carried out according to the simulation results. Ray-tracing software (Zemax) is used to divide the spect...

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Veröffentlicht in:Photonics 2022-12, Vol.9 (12), p.920
Hauptverfasser: Xia, Guo, Zhang, Long, Feng, Zhiwei, Shi, Wenjie, Gao, Lin, Li, Yanduo
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Sprache:eng
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Zusammenfassung:An integrated direct-reading spectrometer scheme using seven concave gratings is proposed. At present, the optical design simulation has been completed, and the subsequent physical design may be carried out according to the simulation results. Ray-tracing software (Zemax) is used to divide the spectrum on the grating into seven bands, and an area array detector is used to receive the spectral signals simultaneously, which reduces the volume of the spectrometer and improves the spectral consistency. Using this method, a spectrometer covering 230–440 nm is designed, and the spectral resolution of the center wavelength corresponding to the seven grating windows of 230–260 nm, 260–290 nm, 290–320 nm, 320–350 nm, 350–380 nm, 380–410 nm, and 410–440 nm can reach 0.0974 nm, 0.0652 nm, 0.0361 nm, 0.0157 nm, 0.0838 nm, 0.0872 nm, and 0.1471 nm.
ISSN:2304-6732
2304-6732
DOI:10.3390/photonics9120920