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Impressum
(c) 2002 BMO

"Time-Encoded Raman: Fiber-based, hyperspectral, broadband stimulated Raman microscopy"
Sebastian Karpf, Matthias Eibl, Wolfgang Wieser, Thomas Klein, Robert Huber
arXiv:1405.4181


Abstract:
Raman sensing and Raman microscopy are amongst the most specific optical technologies to identify the chemical compounds of unknown samples, and to enable label-free biomedical imaging with molecular contrast. However, the high cost and complexity, low speed, and incomplete spectral information provided by current technology are major challenges preventing more widespread application of Raman systems. To overcome these limitations, we developed a new method for stimulated Raman spectroscopy and Raman imaging using continuous wave (CW), rapidly wavelength swept lasers. Our all-fiber, time-encoded Raman (TICO-Raman) setup uses a Fourier Domain Mode Locked (FDML) laser source to achieve a unique combination of high speed, broad spectral coverage (750 cm-1 - 3150 cm-1) and high resolution (0.5 cm-1). The Raman information is directly encoded and acquired in time. We demonstrate quantitative chemical analysis of a solvent mixture and hyperspectral Raman microscopy with molecular contrast of plant cells.

BMO authors (in alphabetic order):
Matthias Eibl
Robert Huber
Sebastian Karpf
Thomas Klein
Wolfgang Wieser

Assoziierte Projekte:
Time-Encoded (TICO) Raman spectroscopy and microscopy

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Letzte Änderung: 2016-09-14 13:34