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March 26th, 2019 | Applications

Using resonance scanners and ultrafast laser in FT-CARS

In this published paper by Hashimoto et al. (2018), ‘Ultra-broadband rapid-scan Fourier-transform CARS spectroscopy with sub-10-fs optical pulses’ leverages the benefits of products from Novanta. The experimental set-up contains a venteon ultra from Laser Quantum and a resonant scanner, CRS12 kHz, from Cambridge Technology. The paper demonstrates ultra-broadband Fourier-Transform Coherent Anti-Stokes Raman Scattering (FT-CARS) spectroscopy. The technique spanned over 3000 cm-1, particularly useful for complex models, and one of, if not the, first demonstration of this. The developments that could stem from this technique include high-speed or high-throughput, label-free chemical analysis.

The venteon ultra is a femtosecond oscillator, offering exceptional stability and a measured pulse duration of <5.5 fs. It delivers an average output power greater than 240 mW, corresponding to pulse energy greater than 3 nj at 80 MHz pulse repetition rate.

To find out more about the resonant scanners by Cambridge Technology, please visit: https://www.cambridgetechnology.com/products/components-specialty-products#resonant-scanners

To read the paper in full, please visit: https://www.osapublishing.org/oe/fulltext.cfm?uri=oe-26-11-14307&id=389834

 

 



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