It has been prototyped the basic optics and electronics of a crossed Czerny-Turner spectrograph to work at different
wavelengths. The optical system of the spectrograph prototype has been simulated using OSLO software in order to
optimize the capture of the light spectrum. The study that is presented in this paper is based on the optimization of the
focusing optics orientation that would obtain the smallest y-spot width onto a linear CCD, for different central
wavelengths. It has been changed the orientation of the focusing optics trough the simulation, and changes in the spot
diagram has been observed and plotted. Finally, we have obtained recommendations using these results, how to adjust
the focusing optics in real spectrographs for different central wavelengths. Simulated spectrograph had about 0.25 nm
mean resolution with a focusing optics of 100 mm focal length.
In this work, it is shown a panoramically view of advances and works on fundamental optical technology developed and Physics
Section at Pontificia Universidad Católica del Perú PUCP in Lima Peru. This includes works in, precision optics manufacturing,
optical testing, and optical design and simulation and also in optical thin film evaporation and its design techniques
It is shown how undergraduate Physics students were introduced to spectrographs optics through laboratory sessions and
computer simulations. Simulation and evaluation of two equivalent spectrographs corresponding to a real commercial
spectrograph were performed. Evaluation of the real spectrograph was also performed. A comparative work on
spectrographs linear dispersion and their resolution was also performed.
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