Journal
OPTICS EXPRESS
Volume 26, Issue 9, Pages 11994-12006Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.26.011994
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Funding
- National Natural Science Foundation of China (NSFC) [61505204]
- Jilin Province Science & Technology Development Program Project in China [20170520167JH]
- Chinese Ministry of National Science and Technology [2014CB049500]
- National Major Scientific Instrument and Equipment Development Projects [2014YQ120351]
- National R & D Projects for Key Scientific Instrument Project [ZDYZ2008-1]
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Spatial heterodyne Raman spectroscopy is a spectroscopic detection technique that is particularly suitable for Raman measurements. The spectral range of traditional spatial heterodyne Raman spectrometer (SHRS) is limited by its spectral resolution and the number of detector elements. We propose an SHRS with an echelle-mirror structure that employs multiple diffraction orders to achieve a broad spectral coverage and high spectral resolution simultaneously. This SHRS is used to obtain the Raman spectra of organic liquids, inorganic solid targets, and mixed targets. Observations of aqueous solutions, and minerals are presented. In addition, anti-Stokes Raman shifts are also presented. The proposed SHRS technique shows good performance for broadband, high-resolution Raman measurements. (C) 2018 Optical Society of America under the terms of the OSA Open Access Publishing Agreement
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