Iran-Made Raman Spectrometer Using Monochromatic Laser Light Unveiled
Raman spectroscopy is a versatile, nondestructive technique that yields detailed information about the chemical structure.
Raman spectrometers probe materials using monochromatic laser light, usually at visible or near-infrared wavelengths.
When a sample is illuminated, most of the light is scattered without a change in energy—this is termed Rayleigh scattering.
However, a small proportion of photons is scattered with a loss or gain of energy to molecular vibrations—this phenomenon is termed the Raman effect or Raman scattering.
Raman device includes components such as a monochromatic light source, lenses, filters, detector, and computer system.
The filters preserve the scattered light and also the reflected light. Meanwhile, the detector is responsible for identifying photons. And finally, a computer gives the user an output in the form of a diagram.
Moreover, solid materials, powders, liquids, gels and gases, minerals, organic and biological materials, and all kinds of corrosion metal oxides can be analyzed.
Raman spectroscopy's history started in the 1920s. It was named after Chandrasekhara Venkata Raman, an Indian physicist who carried out ground-breaking work in the field of light scattering, which earned him the 1930 Nobel Prize for Physics.
The first combined Raman and Fourier-transform infrared spectroscopy (FTIR) device was built in 2002, which had the capability of both devices and can be used for times when neither method was suitable for analysis.
A number of foreign companies are the main manufacturers of the device. In Iran, a company active in the field of optical spectroscopy and material analysis has started producing the device, receiving a knowledge-based certificate.
The Raman microscope manufactured by the company can also compete well with foreign samples.
Domestically-made products have opened their way in the Iranian market so the device is currently used in many Iranian laboratories.
Due to sanctions and the lack of possibility to receive services from foreign manufacturers, Iranian products are considered a suitable option if they have the desired quality, and currently, some centers are purchasing and using the Raman microscopes produced by this company.
4155/g
