Micro Raman Spectrometer
Raman spectroscopy is a light scattering technique and can be thought of in its simplest form as a process where a photon of light interacts with a sample to produce scattered radiation of different wavelengths. Raman scattered light is frequency-shifted with respect to the excitation frequency, but the magnitude of the shift is independent of the excitation frequency. This “Raman shift” is therefore an intrinsic property of the sample.
Applications of Raman spectroscopy:
Identification of compounds
Observation of chemical reaction
Observation of phase transformation in materials
Phase analysis, mineral’s identification
Identification of drugs
Thin Film quality control
Technical characteristics:
Excitation 514.5 nm (Ar laser) or 785 nm (Ti-Saphire laser )
Raman shift spectral range 100-4500 cm-1
Spectral resolution 4 cm-1
Spatial resolution 5mm
Pressure measurement in Diamond-Anvil Cell using the ruby scale
Low-temperature measurements in diamond anvil cell
