Journal ArticleDOI
Broadband Coherent Anti-Stokes Raman Scattering Spectroscopy Using Pulse-Shaper-Controlled Variable-Wavelength Soliton Pulses from a Photonic Crystal Fiber
Kazuhiro Tada,Naoki Karasawa +1 more
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TLDR
In this article, fundamental soliton pulses from a photonic crystal fiber (PCF) were used as variable-wavelength optical pulses in coherent anti-Stokes Raman scattering (CARS) spectroscopy using a single unamplified laser oscillator in a microscopy setup.Abstract:
Fundamental soliton pulses from a photonic crystal fiber (PCF) were used as variable-wavelength optical pulses in coherent anti-Stokes Raman scattering (CARS) spectroscopy using a single un-amplified laser oscillator in a microscopy setup. Both the center wavelengths and the delay times of soliton pulses were controlled simultaneously by shaping the input pulse of a PCF by the use of a pulse shaper and these parameters were switched automatically in measurement. Broadband CARS signals between 500 and 3100 cm-1 of polymer samples have been measured and the most of the Raman peaks in this frequency range of samples were observed clearly by this method.read more
Citations
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Journal ArticleDOI
Broadband coherent anti-Stokes Raman scattering spectroscopy using soliton pulse trains from a photonic crystal fiber
Kazuhiro Tada,Naoki Karasawa +1 more
TL;DR: Pulse trains of fundamental soliton pulses with different center wavelengths and delay times from a photonic crystal fiber were generated and used as Stokes optical pulses in coherent anti-Stokes Raman scattering (CARS) spectroscopy as mentioned in this paper.
Journal ArticleDOI
Single-Beam Coherent Anti-Stokes Raman Scattering Spectroscopy Using Both Pump and Soliton Stokes Pulses from a Photonic Crystal Fiber
Kazuhiro Tada,Naoki Karasawa +1 more
TL;DR: In this paper, a single-beam coherent anti-Stokes Raman scattering (CARS) spectroscopy using the combination of a pulse shaper and a photonic crystal fiber (PCF) was demonstrated.
Proceedings ArticleDOI
Structured material combined HMO-silica fibers: preparation,optical and mechanical behavior
K. Schuster,Jens Kobelke,Doris Litzkendorf,Anka Schwuchow,F. Lindner,Johannes Kirchhof,Hartmut Bartelt,Jean-Louis Auguste,Georges Humbert,Jean-Marc Blondy +9 more
TL;DR: In this paper, the authors report about preparation technique and characterization of structured fibers composed of HMO core glasses and silica cladding, which have been characterized by dilatometrical methods to find T g values of 827-875°C and expansion coefficients between 4.3 and 7.0×10 -6 K -1.
Book ChapterDOI
Optical Solitons from a Photonic Crystal Fiber and Their Applications
Naoki Karasawa,Kazuhiro Tada +1 more
TL;DR: In this paper, a photonic crystal fiber (PCF) is used to generate ultrabroadband optical pulses by propagating femtosecond optical pulses in these fibers, and the properties of the fundamental solitons from a PCF and its applications studied in our laboratory.
Proceedings ArticleDOI
Broadband coherent anti-stokes Raman scattering spectroscopy using a quasi-supercontinuum light source
Kazuhiro Tada,Naoki Karasawa +1 more
TL;DR: In this paper, a quasi-supercontinuum light source in the wavelength range from 0.85 to 1.1 micrometer generated from a photonic crystal fiber was used for coherent anti-Stokes Raman scattering spectroscopy.
References
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Journal ArticleDOI
Time-resolved coherent anti-Stokes Raman scattering with a femtosecond soliton output of a photonic-crystal fiber.
TL;DR: Time-resolved coherent anti-Stokes Raman scattering (CARS) is demonstrated by using a frequency-tunable femtosecond soliton output of a silica photonic-crystal fiber as a Stokes field, suggesting a convenient fiber-optic format for the Stokes source in time-res resolved CARS.
Journal ArticleDOI
Coherent anti-Stokes Raman scattering in isolated air-guided modes of a hollow-core photonic-crystal fiber
Andrei B. Fedotov,Stanislav O. Konorov,V. P. Mitrokhin,Evgenii E. Serebryannikov,Aleksei M. Zheltikov +4 more
TL;DR: In this article, a 3-cm section of a hollow photonic-crystal fiber is used to prepare isolated air-guided modes of pump and probe fields for coherent excitation of molecular nitrogen in the gas filling the fiber core, enhancing coherent anti-Stokes Raman scattering through these vibrations by a factor of 15 relative to the regime of tight focusing.
Journal ArticleDOI
Coherent Raman spectroscopy with frequency-shifted and shaped pulses from a photonic-crystal fiber
A. A. Ivanov,Ya. M. Linik,Denis Akimov,Denis Akimov,M. V. Alfimov,T. Siebert,Wolfgang Kiefer,Aleksei M. Zheltikov +7 more
TL;DR: In this article, the authors demonstrate spectroscopy of coherent anti-Stokes Raman scattering using a frequency-shifted and pulse-shaped output of photonic-crystal fibers pumped by amplified femtosecond Cr: forsterite laser pulses.
Journal ArticleDOI
The Comparison Between Experiment and Calculation of the Chirp-Controlled Raman Self-Frequency Shift in a Photonic Crystal Fiber
TL;DR: In this paper, the spectral peaks due to fundamental soliton pulses near 1000 nm from a photonic crystal fiber have been measured for various input pulse chirps applied by changing the position of one of the prisms in a prism pair.
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Broadband coherent anti-Stokes Raman scattering spectroscopy using soliton pulse trains from a photonic crystal fiber
Kazuhiro Tada,Naoki Karasawa +1 more