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We report the design simulation of the Raman spectrometer using opticalsystem design software Zemax. The design is based on the Czerny-turnerconfiguration which includes an optical system consisting of an entrance slit,two concave mirrors, reflecting type diffraction grating, and an imagedetector. The system's modelling approach is suggested by introducing thecorresponding relationship between detector pixels and wavelength, linear CCDreceiving surface length, and image surface dimension. Simulations have beencarried out using the POP (Physical Optics Propagation) algorithm. Spotdiagram, relative illumination, irradiance plot, Modulation Transfer Function(MTF), geometric, and encircled energy simulated for designing the Ramanspectrometer. The simulation results of the Raman spectrometer's using a 527 nmwavelength laser as an excitation light source are presented. The presentoptical system is designed in sequential mode and a Raman spectrum observed inthe range of 530 to 630 nm. The analysis shows that the system's imageefficiency is higher, predicting that it is possible to build an efficient andcost-effective Raman spectrometer for optical diagnostics.

Design Simulation of Czerny-Turner Configuration-based Raman Spectrometer using physical optics propagation algorithm