Tunable light source for narrowband laser excitation: application to Raman spectroscopy
✍ Scribed by E. Vater; G. Bergner; D. Akimov; S. Schlücker; H. Bartelt; B. Dietzek; J. Popp
- Publisher
- John Wiley and Sons
- Year
- 2009
- Tongue
- English
- Weight
- 173 KB
- Volume
- 6
- Category
- Article
- ISSN
- 1612-2011
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✦ Synopsis
In many laser spectroscopic techniques, such as fluorescence Raman and resonance Raman spectroscopy the choice of laser excitation wavelength is of central importance. Thus, it is desirable to have a single laser light source where the wavelength can be tuned fast, easily and continuously without the necessity of changing the optical alignment. Here, such a light source is presented combining a broad spectrum with a spatial light modulator as tunable filter. The feasibility of this setup for Raman spectroscopy is demonstrated.
Intensity, arb. units 1500 1250