Abstract

The transformation of an old Raman double monochromator into a dual spectrometer capable of working either as the original instrument or as a very high sensitivity scanning single monochromator with multichannel charge-coupled device (CCD) array detection is described. The merits and limitations of this instrument, particularly suited for medium/low resolution (0.3 to 2 cm^-1) Raman spectroscopy in the gas phase, are discussed. Example spectra of O₂, N₂, CO₂, H₂O, and CCl₄ are shown.

Spatially compressed dual-wavelength excitation Raman spectrometer

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High sensitivity and resolution integrated optical system for portable Raman spectrometer

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Fiber-format dual-comb coherent Raman spectrometer

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Design Criteria for a Raman Spectrometer

C. D. Allemand
Appl. Opt. 9(6) 1304-1311 (1970)