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Supercontinuum

About: Supercontinuum is a research topic. Over the lifetime, 7071 publications have been published within this topic receiving 127671 citations.


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Journal ArticleDOI
TL;DR: The results show that tapered fluorotellurite MFs are promising nonlinear media for generating broadband supercontinuum light expanding from visible to mid-infrared spectral region.
Abstract: Fluorotellurite microstructured fibers (MFs) based on TeO2-BaF2-Y2O3 glasses are fabricated by using a rod-in-tube method. Tapered fluorotellurite MFs with varied transition region lengths are prepared by employing an elongation machine. By using a tapered fluorotellurite MF with a transition region length of ∼3.3 cm as the nonlinear medium and a 1560 nm femtosecond fiber laser as the pump source, broadband supercontinuum generation covering from 470 to 2770 nm is obtained. The effects of the transition region length of the tapered fluorotellurite MF on supercontinuum generation are also investigated. Our results show that tapered fluorotellurite MFs are promising nonlinear media for generating broadband supercontinuum light expanding from visible to mid-infrared spectral region.

46 citations

Journal ArticleDOI
TL;DR: In this paper, the authors provide a brief overview on the generation and properties of supercontinuum radiation for imaging applications and their potential for bioimaging, but also their limitations and caveats.
Abstract: Compact, high brightness supercontinuum sources have already made a big impact in the fields of fluorescence microscopy and biomedical imaging techniques, such as optical coherence tomography and coherent anti-Stokes Raman scattering. In this review, we provide a brief overview on the generation and properties of supercontinuum radiation for imaging applications. We review specific uses of supercontinuum sources and their potential for bioimaging, but also their limitations and caveats. We conclude with a review of recent advances in UV supercontinuum generation, near-IR microscopy, exciting new potentials for the use of hollow-core PCFs, on-chip supercontinuum generation, and technologies to improve supercontinuum stability for certain applications.

46 citations

Journal ArticleDOI
TL;DR: A novel, compact and automated multidimensional spectrofluorometer that exploits a fibre-laser-pumped ultrafast supercontinuum source to provide resolution with respect to intensity, excitation and emission wavelength, decay time and polarisation is reported.
Abstract: We report a novel, compact and automated multidimensional spectrofluorometer that exploits a fibre-laser-pumped ultrafast supercontinuum source to provide resolution with respect to intensity, excitation and emission wavelength, decay time and polarisation. This instrument has been applied to study the photophysics of the phase-sensitive membrane probe di-4-ANEPPDHQ and to characterise protein-protein interactions via Forster resonance energy transfer. It can be applied to in situ measurements via a fibre-optic probe in medical and other contexts and is demonstrated here to provide a comprehensive characterisation of tissue autofluorescence. (© 2008 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim)

46 citations

Journal ArticleDOI
TL;DR: In this paper, the influence of the pump wavelength on the spectral profile of soliton induced supercontinuum (SC) generation using an index-guiding triangular photonic crystal fiber (PCF) is examined by pumping with 140-fs pulses at several wavelengths in the positive slope anomalous dispersion region.
Abstract: Soliton induced supercontinuum (SC) generation using an index-guiding triangular photonic crystal fiber (PCF) is experimentally studied by pumping with 140-fs pulses at several wavelengths in the positive slope anomalous dispersion region. The focused beam incident upon the PCF core is first confirmed by in situ observation based on the reflection method to make sure accurate input coupling conditions. The influence of pumping wavelength on the spectral profile of SC is examined as a function of input peak power P/sub 0/. Processes initiating SC generation are governed by the fission of higher-order solitons, which lead to the soliton self-frequency shift (SSFS) by intrapulse Raman scattering associated with blue-shifted Cherenkov type phase matched radiation. The fission of higher-order solitons is clearly observed in the input P/sub 0/ dependent spectrum and a plot of the square root of frequency shift versus input P/sub 0/. Further increase of input P/sub 0/ leads to a new SSFS accompanied by an additional blue-shifted peak located at shorter wavelength than that of the previous one. These processes continue to develop successive blue-shifted and SSFS peaks as increasing the input P/sub 0/, which determine the spectral width of SC. Spectral profile of SC is also dominated by these initial and growth processes. SC spectra obtained in the vicinity of zero dispersion wavelength shows smooth but relatively narrow, while SC generation at deep anomalous dispersion site exhibits broad bandwidth at relatively low P/sub 0/. The input P/sub 0/ required for approaching a saturated SC which is almost the same feature within the tuning pump wavelengths is decreased as increasing the degree of anomalous dispersion.

46 citations

Journal ArticleDOI
TL;DR: In this paper, a tapered highly nonlinear bismuth silicate fiber has been used for supercontinuum generation at long wavelengths in an air-suspended rod and the zero-dispersion wavelength for a range of taper diameters has been predicted applying the exact solution of Maxwell's equations.
Abstract: Smooth supercontinuum generation has been observed at long wavelengths in a tapered highly-nonlinear bismuth silicate fibre. The zero-dispersion wavelength for a range of taper diameters has been predicted applying the exact solution of Maxwell's equations for an air-suspended rod.

46 citations


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Performance
Metrics
No. of papers in the topic in previous years
YearPapers
2023184
2022440
2021341
2020411
2019528
2018442