Photon etc's technology makes the identification and characterization of the chemical and structural composition of materials possible in a non-destructive manner.
Photon etc. offers a range of innovative products for Raman Spectroscopy including: - Notch Filters
Collect low wavenumber Stokes and anti-Stokes signals simultaneously with bandwidths below 10 cm-1.
- Tunable Notch Filters
Eliminate any laser line within a wide spectral range (around 300 nm wide) with our Tunable Top Notch Filter. The selectivity resembles that of a triple spectrograph, but with higher throughput, a much more compact system, and a fraction of the price.
- Tunable Bandpass Filters
Our non-dispersive technology gives our tunable bandpass filters the advantage of removing unwanted laser fluorescence without affecting optical alignment, offering a unique pointing stability for a full spectral range. Optimized for Ti:Saph laser line isolation.
- Raman Imaging
No more x-y scanning, with the Bragg tunable filter technology, you get complete spatial and spectral information on your sample. Full resolution images, bandwidths as low as 0.3 nm are possible, and operational ranges from 400 nm to 2.3 µm.
The Raman effect is observed when a laser is shone on a material. From the scattered light, a tiny fraction converts to a different wavelength. Analysis of this diffused light (Raman spectra) reveals the characteristic vibration frequencies of the atoms, and thus also the chemical composition and structure of the material.
In research and development laboratories and on production lines, microscopes are combined with Raman effect analysis as a tool in a wide range of applications. Hard drive, pharmaceutical, polymer, semi-conductor, and chemical industries are only a few possibilities. The identification of drugs and explosives by forensic analysts, and the examination of paints and pigments necessary for the restoration of works of art are two examples of their more “exotic” applications. | 
 Raman Instruments.pdf
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