The ISI Raman shift calculator makes it easy to convert between different units used in Raman spectroscopy, primarily between wavelength (usually in nanometers) and Raman shift (typically in wavenumbers, cm^-1).

Raman spectroscopy is a technique for characterising substances. It uses vibrational, rotational, and low-frequency modes to generate a unique spectral fingerprint that reveals the substance’s identity. This fingerprint is indicated by the observed Raman shift, typically expressed in wavenumbers (cm^-1). Therefore, there is a need to convert between wavelengths, wavenumbers, and frequency shifts in Raman spectra.

Enter the numbers, and our Raman shift calculator will provide the conversions for you.

ISI’s expertise lies in Raman spectroscopy. Our HES instrument uses a fibre rather than a slit to deliver a much higher etendue than standard spectrometers, thereby enabling Raman measurements. We are happy to offer advice and consultancy in making Raman measurements. Please get in touch with your questions.