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  • 2013 Conference on Lasers and Electro-Optics - International Quantum Electronics Conference
  • (Optica Publishing Group, 2013),
  • paper CFIE_12_3

Single-shot detection of mid-infrared spectra by chirped-pulse upconversion with four-wave difference frequency generation in gases

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Abstract

Single-shot detection of an entire MIR spectrum (500–5000cm−1) has been required for advanced molecular spectroscopy such as pump-probe spectroscopy to trace ultrafast structural dynamics of molecules, real-time molecular imaging of biological tissues, etc. However, due to low pixel numbers, low sensitivity, and high cost of multi-channnel MIR detectors, the bandwidth has been limited to ~500 cm−1 at direct measurement of MIR spectra by using dispersive infrared spectrometers.

© 2013 IEEE

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