2007
DOI: 10.1364/oe.15.000865
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Power scalable mid-infrared supercontinuum generation in ZBLAN fluoride fibers with up to 1.3 watts time-averaged power

Abstract: Mid-infrared supercontinuum (SC) extending to ~4.0 mum is generated with 1.3 W time-averaged power, the highest power to our knowledge, in ZBLAN (ZrF(4)-BaF(2)-LaF(3)-AlF(3)-NaF...) fluoride fiber by using cladding-pumped fiber amplifiers and modulated laser diode pulses. We demonstrate the scalability of the SC average power by varying the pump pulse repetition rate while maintaining the similar peak power. Simulation results obtained by solving the generalized nonlinear Schrödinger equation show that the lon… Show more

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Cited by 67 publications
(43 citation statements)
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“…Supercontinuum sources combine all features of a broadband and spatially coherent source having a high intensity [7]. Mid-IR SC laser sources are currently based primarily on ZBLAN fibers covering the 1-4.75μm spectral range [8][9][10][11][12] and tellurite fibers covering the 1-5μm range [13,14]. Mid-IR SC sources have already been successfully applied in FTIR spectroscopy [15] and in hyperspectral imaging [16].…”
Section: Introductionmentioning
confidence: 99%
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“…Supercontinuum sources combine all features of a broadband and spatially coherent source having a high intensity [7]. Mid-IR SC laser sources are currently based primarily on ZBLAN fibers covering the 1-4.75μm spectral range [8][9][10][11][12] and tellurite fibers covering the 1-5μm range [13,14]. Mid-IR SC sources have already been successfully applied in FTIR spectroscopy [15] and in hyperspectral imaging [16].…”
Section: Introductionmentioning
confidence: 99%
“…Mid-IR SC sources have already been successfully applied in FTIR spectroscopy [15] and in hyperspectral imaging [16]. A further advantage of fiber based laser sources is that the average power can be scaled up by increasing the pump power [9,17], or by increasing the pump repetition rate [8,9], with the current record being a 10.5W average power ZBLAN SC demonstrated by Xia et al [9].…”
Section: Introductionmentioning
confidence: 99%
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“…Progress in this regard has been made using fluoride [Xia06,Xia07] While fluoride glass fibres have superior transmission beyond 2 µm compared to silica [Xia06,Xia07], they are non-resistant to moisture [Rav86] and as such, degrade in air over time [Okh12,Rav86]. In addition, poor compatibility with silica [Okh12] reduces their potential for realising fully fibre-integrated systems.…”
Section: Overview Of 2-5 µM Supercontinuum Generationmentioning
confidence: 99%
“…Mid-IR SC sources are also ideal for stand-off detection, where high power density over a broad spectral range is necessary to acquire information about an ensemble of potentially hazardous substances from a safe distance [3]. Some of the current SC lasers yielding the longest IR wavelengths are based on ZBLAN fibres covering the 1-4.75μm spectral range [4][5][6][7][8][9][10][11][12], and tellurite fibres covering the 1-4.5μm range [13].…”
Section: Introductionmentioning
confidence: 99%