Fluoride glass fiber for reliable Er:YAG and Er,Cr:YSGG laser power delivery

Seguin, F.; Saad, Mohammed; Orsini, Patrick; Baierl, Dieter

doi:10.1117/12.761053

Cited by 3 publications

(1 citation statement)

References 4 publications

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“…Fiber temperature has been stable during the test at 0.5 C higher than ambient temperature. The maximum power has been calculated to be over 1500 J/cm 2 [35]. …”

Section: Laser Power Deliverymentioning

confidence: 99%

Fluoride glass fiber: state of the art

Saad¹

2009

SPIE Proceedings

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Fluoride glasses are the only materials that transmit light in a continuous fashion from ultraviolet up to 8 μm in the midinfrared region, and can be drawn into high quality optical fibers. In fact fluoride glass fiber technology is the second most mature, beside silica based fiber technology. Fluoride glasses have experienced extraordinary development for more than 25 years. This development was motivated in the beginning by their outstanding optical properties, especially the minimum theoretical attenuation which is 0.01 dB/km between 2 and 3 μm. High quality optical fibers are now commercially available, with attenuation ranging from 5 to 30 dB/km, and mechanical strength ranging from 50 to 100 kpsi depending on fiber diameter.. The fluoride glass transmission window is from 0.25 μm to 8 μm without any absorption peaks, while the resulting fiber transmission window can be from 0.3 μm to 4.5 μm for standard fiber and from 0.3 μm to 6 μm for the extended window fiber. In this paper we will present mechanical and optical properties of current fluoride glasses and fibers, as well as high power transmission results.

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“…Fiber temperature has been stable during the test at 0.5 C higher than ambient temperature. The maximum power has been calculated to be over 1500 J/cm 2 [35]. …”

Section: Laser Power Deliverymentioning

confidence: 99%

Fluoride glass fiber: state of the art

Saad¹

2009

SPIE Proceedings

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Review of infrared fiber-based components

et al. 2015

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The infrared range of the optical spectrum is attractive for its use in sensing, surveillance, and material characterization. The increasing availability of compact laser sources and detectors in the infrared range stands in contrast with the limited development of optical components for this optical range. We highlight developments of infrared components with a particular focus on fiber-based components for compact optical devices and systems.

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Recent Development of Mid-Infrared Supercontinuum Generation in Fluoroindate Glass Fibers

Świderski

2022

Applied Sciences

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Supercontinuum (SC) generation that leads to the emission of broadband radiation has been extensively studied. In particular, SC sources encompassing the wavelength range of 2–5 μm have attracted considerable interest in the last decade, and a continuous increase in the output power and spectrum width has been observed. To enable broadband and high-power SC generation, suitable nonlinear media combined with appropriate pump sources must be used, maintaining the output as spectrally flat. This paper briefly reviews the current state-of-the-art SC sources restricted to those based on fluoroindate fibers, including systems pumped with femtosecond, picosecond, and nanosecond pulses. First, the concept of SC generation in optical fibers is briefly presented. This is followed by an examination of indium fluoride optical fibers, with an emphasis on their material and waveguide properties. Furthermore, the advances in SC generation in fluoroindate fibers, including the latest results on high-power (Watt-level) continuum generation adopting different pump schemes, are also explored. A record time-averaged output power of 11.8 W with a spectrum spanning from ~1.9 to 4.9 µm has been demonstrated, which is certainly not the power limit of this technology. Finally, potential future directions of research are discussed at the end of this paper.

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Fluoride glass fiber for reliable Er:YAG and Er,Cr:YSGG laser power delivery

Cited by 3 publications

References 4 publications

Fluoride glass fiber: state of the art

Fluoride glass fiber: state of the art

Review of infrared fiber-based components

Recent Development of Mid-Infrared Supercontinuum Generation in Fluoroindate Glass Fibers

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