For more and more demands of the 488nm lasers from scientific and industrial applications, many manufactures have started to produce 488nm laseres. The output power is from 20mW to 50mW or even high.
The wavelength of 488nm is also can be used in Raman spectroscopy and many other main applications. It is believed that in the near furture, the demand of 488nm laser would be much higer.
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Raman spectroscopy has been widely used as a tool for analysis and research. This technology could be applied into the area such as semiconductors, thin films, forensic science, ploymers, pharmaceuticals. Fullerence structures and carbon nano-materials could be also analized by laser raman sepctroscopy.
As a process of which a photo of light interacts with the sample to produce scattered radiation of different wavelength, the Raman spectroscopy could be regarded as in the its form
Raman spectroscopy can carry various informations which could be used for the characterization of molecular structures, identification of chemicals and so on.
In the history, Raman Spectroscopy was not well used since only parts of the universities have the couses related with this subjects. But in the near future, the application of this technolgy would be greatly widened. More and more Raman laser resources would be used in this technology.