Dependence of the nonlinear transmission properties of fused silica fibers on excimer laser wavelength

Brimacombe, R. K.; Taylor, R. S.; Leopold, K. E.

doi:10.1063/1.343987

Cited by 80 publications

(17 citation statements)

References 14 publications

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“…These fibers were produced with different drawing conditions. The typical value for the single pulse attenuation of the excimer laser radiation at 308 nm is found to be about 0.15 dB/m and is al- These results agree qualitatively with those obtained in [8,12]. It is interesting to note, that within the experimental errors the damping of the low intensity radiation of the .…”

Section: Single Pulse Transmission Propertiessupporting

confidence: 80%

“…This 213 result is in agreement with similar investigations of Brimacombe et at. [8]. The typical attenuation coefficient of about 0.15 dB/m approaches the theoretical limit [14].…”

Section: Discussionmentioning

confidence: 99%

“…Manufacturing of this kind of fibers became a well established technique. Nevertheless, the interaction of high power UV laser pulses with the fiber material causes specific problems which have been investigated recently by several groups [5][6][7][8][9][10]. The maximum amount of excimer laser energy which can be transmitted is limited by the damage threshold of the fiber front surface [11,12].…”

mentioning

confidence: 99%

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Transmission of XeCl excimer laser pulses through optical fibers: Dependence on fiber and laser parameters

et al. 1992

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Abstract.Measurements of the transmission of XeC1 excimer laser pulses (308 nm) through optical all-silica fibers are reported. The observed photodegradation effects during long time irradiation are dependent on the laser energy density and the laser repetition rate. Also the influence of the fiber drawing parameters and fiber geometry have been investigated. Absorption spectra of the fibers in the wavelength range from 200 nm to 400 nm before and after the irradiation with the excimer laser give some insight in the physical reasons for the changes in transmission properties. A spectral analysis of the fiber fluorescence has been performed. PACS: 78.90, 78.40F, 78.20 Many applications of lasers need the guidance of the laser energy through optical waveguides. Especially most medical applications of XeC1 excimer lasers, e.g. in laser angioplasty [1,2], minimal-invasive surgery [3] and ophthalmology [4] require the use of optical fibers. Most suitable for these purposes are quartz fibers with a core of fused silica and a cladding of doped fused silica. Manufacturing of this kind of fibers became a well established technique. Nevertheless, the interaction of high power UV laser pulses with the fiber material causes specific problems which have been investigated recently by several groups [5][6][7][8][9][10]. The maximum amount of excimer laser energy which can be transmitted is limited by the damage threshold of the fiber front surface [11,12]. But already well below this threshold photodegradation effects are observed which lead to a drop of the fiber transmission. It is well known, that UV radiation causes the formation of color centers in the quartz material. Optical fibers are ideal to study these effects, because the optical path can be made long enough to enable the detection of even weak absorption bands. Especially at 308 nm the effects are usually too small to be observed in experiments with ordinary bulk samples. Getting information on the nature of the absorbing states can help to improve the fiber properties for UV-transmission.The first scope of this work is to evaluate the influence of several laser and fiber properties on the fiber transmission. Most important laser parameters for the photodegradation * Presented at LASERION '91, June 12-14, 1991, Mtinchen (Germany) ** Present address: University of Britisch Columbia, Department of Physics, 6244 Agricultural Road, Vancouver B.C. V6T2A6, Canada are the energy density and the repetition rate. Additionally, the influence of the fiber core diameter and fiber drawing conditions has been evaluated. We have also measured fiber absorption spectra in the wavelength range between 200 nm and 400 nm before and after laser irradiation and performed a spectral analysis of the fiber fluorescence.Of practical and of theoretical interest is the fact, that the photodegradation effects are at least partly reversible. The time scale for the recovery effects is measured and discussed together with the temporal development of the fiber absorption spectra after laser ir...

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Section: Single Pulse Transmission Propertiessupporting

confidence: 80%

“…This 213 result is in agreement with similar investigations of Brimacombe et at. [8]. The typical attenuation coefficient of about 0.15 dB/m approaches the theoretical limit [14].…”

Section: Discussionmentioning

confidence: 99%

mentioning

confidence: 99%

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Transmission of XeCl excimer laser pulses through optical fibers: Dependence on fiber and laser parameters

et al. 1992

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“…Preliminary results at the ArF laser wavelength yielded an a 0 value and an a 1 value of $0.1 cm À1 and $3 · 10 À3 cm/ MW, respectively [46,47]. Fig.…”

Section: Non-linear Absorptionmentioning

confidence: 92%

Ablation and compaction of amorphous SiO2 irradiated with ArF excimer laser

Awazu

2004

Journal of Non-Crystalline Solids

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“…These problems have been partly overcome by incorporating SiOH groups to enhance the structural relaxation, 118 while the transmittance and radiation toughness at <200 nm have not been satisfactory. 119,120 Studies described in the previous sections indicate that fluorine-doping is a possible way to reduce the color centers and their precursors in the fiber. Optical fibers doped by the SiF group both in the core and clad part were prepared.…”

Section: Photo-structural Change Of the Sioh Groups;mentioning

confidence: 99%

Function Cultivation of Transparent Oxides Utilizing Built-In Nanostructure

Hosono¹,

Kamiya²,

Hirano³

2006

Bulletin of the Chemical Society of Japan

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This review article describes recent progress in our research on cultivation of functionality in crystalline and amorphous transparent oxides utilizing nanostructures embedded in the material itself. It includes the background of our research and approach. Subjects included are material exploration and device application of transparent oxide semiconductors for transparent electronics, function emergence in nano-porous crystal 12CaO Á 7Al 2 O 3 utilizing active anion species stabilized by sub-nanometer-sized cages, and modified silica glass for vacuum/deep ultraviolet lasers. Our description of each subject include: background and approach, material design concept, fabrication or modification method, properties, and device fabrication. Emphasis is placed on the importance of a variety of built-in nanostructures in transparent oxides for novel function realization and the high potential of transparent oxides as ingredients for an ubiquitous element strategy of material research in this century.

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Dependence of the nonlinear transmission properties of fused silica fibers on excimer laser wavelength

Cited by 80 publications

References 14 publications

Transmission of XeCl excimer laser pulses through optical fibers: Dependence on fiber and laser parameters

Transmission of XeCl excimer laser pulses through optical fibers: Dependence on fiber and laser parameters

Ablation and compaction of amorphous SiO2 irradiated with ArF excimer laser

Function Cultivation of Transparent Oxides Utilizing Built-In Nanostructure

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