Wide-Field Detected Fourier Transform CARS Microscopy.
Wide-Field Detected Fourier Transform CARS Microscopy.
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DOI:
10.1038/srep37516
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发表时间:
2016-11-24
影响因子:
4.6
通讯作者:
Kukura P
中科院分区:
文献类型:
--
作者:
Duarte AS;Schnedermann C;Kukura P
We present a wide-field imaging implementation of Fourier transform coherent anti-Stokes Raman scattering (wide-field detected FT-CARS) microscopy capable of acquiring high-contrast label-free but chemically specific images over the full vibrational ‘fingerprint’ region, suitable for a large field of view. Rapid resonant mechanical scanning of the illumination beam coupled with highly sensitive, camera-based detection of the CARS signal allows for fast and direct hyperspectral wide-field image acquisition, while minimizing sample damage. Intrinsic to FT-CARS microscopy, the ability to control the range of time-delays between pump and probe pulses allows for fine tuning of spectral resolution, bandwidth and imaging speed while maintaining full duty cycle. We outline the basic principles of wide-field detected FT-CARS microscopy and demonstrate how it can be used as a sensitive optical probe for chemically specific Raman imaging.
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