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Nonlinear Optical Microscopy and Spectroscopy Employing Octave Spanning Pulses

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9 Author(s)
Isobe, K. ; Laser Technol. Lab., RIKEN Adv. Sci. Inst., Saitama, Japan ; Suda, A. ; Tanaka, M. ; Hashimoto, H.
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This paper reviews and discusses the concept of nonlinear optical spectroscopy (NLOS) and microscopy employing ultra-broadband laser pulses. A spectral phase modulation technique of the ultra-broadband pulses, which allows the control of nonlinear optical processes, enables multimodal imaging in nonlinear optical microscopy. This technique uses the difference of the excitation spectra of molecules of interest. A spectroscopic technique combining NLOS with a Fourier-transform (FT) spectroscopy provides a broadband excitation spectrum with the bandwidth of the ultra-broadband pulse and a high spectral resolution in a single measurement. FT-NLOS can also be applied directly to multispectral microspectroscopy.

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Selected Topics in Quantum Electronics, IEEE Journal of  (Volume:16 ,  Issue: 4 )