Relevant bibliographies by topics / Lasers femtosecondes fibrés

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers

Academic literature on the topic 'Lasers femtosecondes fibrés'

Author: Grafiati
Published: 4 June 2021
Last updated: 1 February 2022

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Journal articles on the topic "Lasers femtosecondes fibrés"

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Mihailov, Stephen J., Cyril Hnatovsky, Nurmemet Abdukerim, et al. "Ultrafast Laser Processing of Optical Fibers for Sensing Applications." Sensors 21, no. 4 (2021): 1447. http://dx.doi.org/10.3390/s21041447.

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A review of recent progress in the use of infrared femtosecond lasers to fabricate optical fiber sensors that incorporate fiber Bragg gratings (FBG) and random fiber gratings (RFG) is presented. The important advancements in femtosecond laser writing based on the phase mask technique now allow through-the-coating (TTC) fabrication of Bragg gratings in ultra-thin fiber filaments, tilted fiber Bragg gratings, and 1000 °C-resistant fiber Bragg gratings with very strong cladding modes. As an example, through-the-coating femtosecond laser writing is used to manufacture distributed fiber Bragg grati
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Lim, Ki-Dong, Hun-Kook Choi, Ik-Bu Sohn, Byeong-Ha Lee, and Jin-Tae Kim. "Fabrication of Lensed Optical Fibers for Biosensing Probes Using CO2 and Femtosecond Lasers." Applied Sciences 11, no. 9 (2021): 3738. http://dx.doi.org/10.3390/app11093738.

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We propose a new method for precisely fabricating a lensed fiber with a desired focal length by first cleaving a coreless silica fiber using an ultrafast femtosecond laser without thermal effects and subsequently shaping the radius of curvature at the optical-fiber end using a CO2 laser. The precisely cleaved segment of the coreless silica fiber obtained with the femtosecond laser is attached to a long single-mode fiber. The beam-exposure time and laser power of the CO2 laser are adjusted to melt the coreless-fiber end to yield a uniform, consistent, and precise radius of curvature, thereby re
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Lopez, John, Florent Deloison, Anne Lidolff, Martin Delaigue, Clemens Hönninger, and Eric Mottay. "Comparison of Picosecond and Femtosecond Laser Ablation for Surface Engraving of Metals and Semiconductors." Key Engineering Materials 496 (December 2011): 61–66. http://dx.doi.org/10.4028/www.scientific.net/kem.496.61.

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Pico and femtosecond lasers present a growing interest for industrials applications such as surface structuring [1] or thin film selective ablation [2]. Indeed, they combine the unique capacity to process any type of material (dielectrics, semiconductors, metals) with an outstanding precision and a reduced affected zone. We report on results about surface engraving of metals (Al, Cu, Mo, Ni), semiconductor (Si) and polymer (PC) using a picosecond thin disk Yb:YAG-amplifier. The pulse duration of this source can be changed using two different configurations: direct amplification of a 34ps-oscil
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He, Jun, Baijie Xu, Xizhen Xu, Changrui Liao, and Yiping Wang. "Review of Femtosecond-Laser-Inscribed Fiber Bragg Gratings: Fabrication Technologies and Sensing Applications." Photonic Sensors 11, no. 2 (2021): 203–26. http://dx.doi.org/10.1007/s13320-021-0629-2.

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AbstractFiber Bragg grating (FBG) is the most widely used optical fiber sensor due to its compact size, high sensitivity, and easiness for multiplexing. Conventional FBGs fabricated by using an ultraviolet (UV) laser phase-mask method require the sensitization of the optical fiber and could not be used at high temperatures. Recently, the fabrication of FBGs by using a femtosecond laser has attracted extensive interests due to its excellent flexibility in creating FBGs array or special FBGs with complex spectra. The femtosecond laser could also be used for inscribing various FBGs on almost all
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Canning, John, Nathaniel Groothoff, Kevin Cook, et al. "Gratings in Structured Optical Fibres." Laser Chemistry 2008 (December 1, 2008): 1–19. http://dx.doi.org/10.1155/2008/239417.

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Grating writing in structured optical fibres and their properties and applications are reviewed. To date, most gratings have been written in a straightforward manner into structured fibres containing a photosensitive germanosilicate step-index core. However, gratings have also been written directly into single material, structured silica fibres and into air-clad cores using two and higher-photon processes with both UV and near IR pulsed (nanosecond-femtosecond) light. Given the intrinsic-added functionality possible within a structured optical fibre, structured fibre gratings offer further cap
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Lu, Jiafeng, Ye Dai, Qin Li, et al. "Fiber nanogratings induced by femtosecond pulse laser direct writing for in-line polarizer." Nanoscale 11, no. 3 (2019): 908–14. http://dx.doi.org/10.1039/c8nr06078a.

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Kazakbaev, R. A. "The First Experience of Using a Femtosecond Laser in Pterygium Surgery." Ophthalmology in Russia 16, no. 1S (2019): 132–36. http://dx.doi.org/10.18008/1816-5095-2019-1s-132-136.

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Objective: to evaluate the functional results of the surgical treatment of pterygium using a femtosecond laser. Рatients and methods. The study included 115 patients (141 eyes) with a diagnosis of primary and recurrent stage I–III pterygium, of which 17 (19 eyes, 10.6%) had a relapse of the disease. The patients’ age was in average 54 ± 6 years, among them men and women — 56 and 44 % respectively. The same surgeon operated all patients with a femtosecond laser and fibrin glue. Results. The technique is simple to perform, the separation of the autograft from its own conjunctiva does not cause d
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Haque, Moez, Kenneth K. C. Lee, Stephen Ho, Luís A. Fernandes, and Peter R. Herman. "Chemical-assisted femtosecond laser writing of lab-in-fibers." Lab Chip 14, no. 19 (2014): 3817–29. http://dx.doi.org/10.1039/c4lc00648h.

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Pallarés-Aldeiturriaga, David, Pablo Roldán-Varona, Luis Rodríguez-Cobo, and José Miguel López-Higuera. "Optical Fiber Sensors by Direct Laser Processing: A Review." Sensors 20, no. 23 (2020): 6971. http://dx.doi.org/10.3390/s20236971.

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The consolidation of laser micro/nano processing technologies has led to a continuous increase in the complexity of optical fiber sensors. This new avenue offers novel possibilities for advanced sensing in a wide set of application sectors and, especially in the industrial and medical fields. In this review, the most important transducing structures carried out by laser processing in optical fiber are shown. The work covers different types of fiber Bragg gratings with an emphasis in the direct-write technique and their most interesting inscription configurations. Along with gratings, cladding
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Wang, Yitao, Shuen Wei, Maxime Cavillon, et al. "Thermal Stability of Type II Modifications Inscribed by Femtosecond Laser in a Fiber Drawn from a 3D Printed Preform." Applied Sciences 11, no. 2 (2021): 600. http://dx.doi.org/10.3390/app11020600.

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Fiber drawing from a 3D printed perform was recently discussed to go beyond the limitations of conventional optical fiber manufacturing in terms of structure and materials. In this work, the photosensitivity of silica optical fibers to femtosecond laser light, and fabricated by 3D printing a preform, is investigated. The writing kinetics and the thermal performance of Type II modifications are studied by varying the laser pulse energy and investigating the birefringence response of the femtosecond (fs)-laser written structures. Compared with a conventional telecom single mode fiber (SMF28), th
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Dissertations / Theses on the topic "Lasers femtosecondes fibrés"

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Guichard, Florent. "Combinaison cohérente d'impulsions femtoseconde - Optimisation des performances des amplificateurs fibrés ultracourts." Thesis, Université Paris-Saclay (ComUE), 2016. http://www.theses.fr/2016SACLO001.

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Les lasers à fibre optique délivrant des impulsions femtoseconde sont aujourd'hui utilisés dans de nombreuses applications scientifiques ou industrielles. Pour étendre l'éventail de ces applications, l'augmentation des performances en termes de durée, énergie par impulsion, et puissance moyenne délivrée par ces sources a fait l'objet de nombreux développements. Ce travail a pour objectif d'utiliser l'idée de combinaison cohérente d'impulsions femtoseconde dans le but de poursuivre l'amélioration des caractéristiques des amplificateurs à fibre ultrabrefs selon deux axes.La première partie est c
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Delen, Xavier. "Amplificateurs laser à cristaux massifs pompés par diode : fibres cristallines Yb : YAG et cristaux Nd : YVO4." Phd thesis, Palaiseau, Institut d'optique théorique et appliquée, 2013. http://pastel.archives-ouvertes.fr/pastel-00996931.

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Un grand nombre d'applications réclament des sources laser en régime impulsionnel toujours plus puissantes et énergétiques. Les progrès continus des technologies laser permettent non seulement d'améliorer les performances de l'outil laser mais aussi d'ouvrir la voie à de nouvelles applications. Cependant, l'augmentation de la puissance des sources laser est aussi accompagnée par une complexification des systèmes. Cette thèse porte sur l'étude d'amplificateurs laser de puissances qui se distinguent par la simplicité de leurs architectures : avec un ou deux passages dans le milieu laser. Dans la
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Le, Dortz Jérémy. "Mise en phase active de fibres laser en régime femtoseconde par méthode interférométrique." Thesis, Université Paris-Saclay (ComUE), 2018. http://www.theses.fr/2018SACLX071/document.

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Les sources lasers femtosecondes sont utilisées dans grand nombre d’applications (industrielles, médicales, de recherche fondamentale) avec un besoin croissant d’impulsions très énergétiques à haut taux de répétition. Bien que la technologie Ti:Saphir fournisse des impulsions PetaWatt, son taux de répétition s’avère limité. Une alternative est l’utilisation de la technologie fibrée. Cependant, l’énergie extractible d’une seule fibre est intrinsèquement limitée.Une solution prometteuse est alors de réaliser une combinaison de fibres (jusqu’à plus de 10 000 fibres pour l’accélération de particul
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Hanna, Marc. "Sources laser femtoseconde à fibre optique." Habilitation à diriger des recherches, Université Paris Sud - Paris XI, 2013. http://tel.archives-ouvertes.fr/tel-00806296.

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Les sources laser à fibre sont de plus en plus utilisées dans des domaines très divers car elles possèdent des avantages majeurs : qualité de faisceau, intégration, possibilité d'émettre une puissance moyenne élevée, efficacité, robustesse. Nous présentons des travaux de recherche visant à étendre les performances des sources ultrarapides basées sur les fibres en utilisant des effets d'optique non linéaire et en proposant de nouvelles architectures laser.
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Trisorio, Alexandre. "Développement d'une source laser femtoseconde de quelques cycles optiques pour la génération d'harmoniques sur cible solide." Paris 11, 2008. http://www.theses.fr/2008PA112316.

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L'activité scientifique au Laboratoire d'Optique Appliquée s'oriente autour du développement de sources laser ultra-brèves et ultra-intenses ainsi qu'à leur application pour la recherche dans de nombreux domaines de l'interaction laser-matière. En effet, ces sources lumineuses sont un instrument de choix permettant de nombreuse expériences dans le domaine de la physique des champs intenses: accélération de particules (électrons, protons), réalisation de sources X et gamma, étude résolue en temps de phénomènes ultra-rapides en biologie ou en chimie. On peut également citer la génération d'harmo
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Deguil-Robin, Nelly. "Propagation et amplification d'impulsions femtosecondes dans des fibres exotiques." Bordeaux 1, 2005. http://www.theses.fr/2005BOR12978.

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Le premier objectif est de concevoir une source accordable large bande émettant dans le proche infrarouge. Cette source est construite et l'accordabilité démontrée de 950 à 1200 nm. Elle est actuellement testée comme nouvelle source excitatrice en microscopie à deux photons. Sa structure compacte (20*60 cm)vient s'ajouter comme extension à un oscillateur de même dimension. L'idée d'accorder extérieurement un laser issu d'un oscillateur femtoseconde rend le système convivial et facile d'utilisation sans alignements périlleux. L'utilisation d'une fibre peu dispersive sur la gamme spectrale consi
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Ortac, Bülend. "Développement d'un laser à fibre double-gaine dopée à l'ytterbium femtoseconde et caractérisation des régimes multi-impulsionnels." Rouen, 2004. http://www.theses.fr/2004ROUES031.

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Les travaux rapportés dans cette thèse sont consacrés à l'étude et à la réalisation d'un laser à fibre double-gaine dopée à l'ytterbium femtoseconde et à la caractérisation des régimes multi-impulsionnels. Les résultats obtenus montrent que des lasers à fibre femtosecondes énergétiques très performants avec des qualités d'émission exceptionnelles en termes de bruit peuvent être réalisés. Par ailleurs, la disponibilité de fortes puissances de pompage grâce à la technologie d'injection par l'encoche, nous a permis de mettre en évidence la richesse et la diversité des régimes d'émission des sourc
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Duval, Simon. "Laser femtoseconde à fibre optique émettant dans l'infrarouge moyen." Doctoral thesis, Université Laval, 2019. http://hdl.handle.net/20.500.11794/37364.

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Le développement de lasers émettant dans l’infrarouge moyen, une région spectrale où l’onretrouve les résonances fondamentales de la plupart des molécules sur terre, est certainementl’une des avenues les plus prometteuses en science laser. La démocratisation de ce type delaser est toutefois nécessaire afin d’exploiter leur énorme potentiel applicatif en santé, enenvironnement, en industrie et en recherche. En raison de leur simplicité, leur robustesse, leurfiabilité et leurs performances optiques inégalées, les lasers à base de fibres optiques sont parmiles candidats les mieux adaptés pour réa
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Suo, Rui. "Advanced fibre gratings fabricated in standard and infrared glass fibres by ultraviolet and near-infrared- femtosecond lasers." Thesis, Aston University, 2009. http://publications.aston.ac.uk/11939/.

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In this thesis, I describe studies on fabrication, spectral characteristics and applications of tilted fibre gratings (TFGs) with small, large and 45° tilted structures and novel developments in fabrication of fibre Bragg gratings (FBGs) and long period gratings (LPGs) in normal silica and mid-infrared (mid-IR) glass fibres using near-IR femtosecond laser. One of the major contributions presented in this thesis is the systematic investigation of structures, inscription methods and spectral, polarisation dependent loss (PDL) and thermal characteristics of TFGs with small (<45°), large (>45°) an
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Delahaye, Hugo. "Lasers femtosecondes SWIR-MIR à fibres optiques pour la génération de rayonnements secondaires de l’EUV au MIR." Thesis, Limoges, 2020. http://www.theses.fr/2020LIMO0064.

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L’interaction entre l’auto-modulation de phase de phase et la dispersion temporelle permet l’installation du régime solitonique, solution de l’équation de Schrödinger en régime non linéaire. Dans le cas d’impulsion subpicoseconde emplissant la condition d’existence du soliton fondamental, leur large spectre les expose à la dispersion d’ordre 3 et la susceptibilité Raman. L’interaction de ses phénomènes mène à l’auto-décalage de soliton. La fission solitonique et l’auto-décalage de soliton permettent la génération d’impulsion proche 100 fs accordables en longueur d’onde. La problématique de la
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Books on the topic "Lasers femtosecondes fibrés"

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Guang zi jing ti guang xian yu fei miao ji guang ji shu. Ji xie gong ye chu ban she, 2013.

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ZnO bao mo zhi bei ji qi guang, dian xing neng yan jiu. Shanghai da xue chu ban she, 2010.

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Book chapters on the topic "Lasers femtosecondes fibrés"

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Johnson, A. M., and C. V. Shank. "Pulse Compression in Single-Mode Fibers—Picoseconds to Femtoseconds." In The Supercontinuum Laser Source. Springer New York, 1989. http://dx.doi.org/10.1007/978-1-4757-2070-9_10.

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Xiao, Hai, Lei Yuan, Baokai Cheng, and Yang Song. "All Optical Fiber Optofluidic or Ferrofluidic Microsensors Fabricated by Femtosecond Laser Micromachining." In Handbook of Optical Fibers. Springer Singapore, 2017. http://dx.doi.org/10.1007/978-981-10-1477-2_63-1.

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Xiao, Hai, Lei Yuan, Baokai Cheng, and Yang Song. "All Optical Fiber Optofluidic or Ferrofluidic Microsensors Fabricated by Femtosecond Laser Micromachining." In Handbook of Optical Fibers. Springer Singapore, 2019. http://dx.doi.org/10.1007/978-981-10-7087-7_63.

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Wang, Ching-Yue, Qi-Rong Xing, Yan-Feng Li, et al. "Femtosecond Laser Applications in Micro/Nano Science and Technology: Nonlinear Effects in Photonic Crystal Fibers, Femtosecond Laser-Induced Forward Transfer, and Femtosecond Laser Manipulation System for Biology." In Springer Series in Chemical Physics. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-540-69143-3_11.

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Guy, M. J., A. Boskovic, D. U. Noske, and J. R. Taylor. "Femtosecond-Pulse Generation at 1.3 μm from a Praseodymium-Fibre Laser." In Springer Series in Chemical Physics. Springer Berlin Heidelberg, 1994. http://dx.doi.org/10.1007/978-3-642-85176-6_67.

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Yamashita, M., K. Torizuka, and T. Uemiya. "Efficient compression of femtosecond laser pulses using nonlinear organic fibers." In Nonlinear Optics. Elsevier, 1992. http://dx.doi.org/10.1016/b978-0-444-89304-8.50060-2.

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Conference papers on the topic "Lasers femtosecondes fibrés"

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Marshall, G. D., N. Jovanovic, M. Ams, et al. "Recent Developments in Monolithic Fibre and Waveguide, DBR and DFB Lasers Fabricated Using Ultrafast Laser Direct-Write Methods." In Femtosecond Laser Microfabrication. OSA, 2009. http://dx.doi.org/10.1364/lm.2009.lmtuc1.

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Kalli, Kyriacos. "Femtosecond Laser Inscribed Optical Fiber Components Applied to Lasers and Sensors." In Specialty Optical Fibers. OSA, 2020. http://dx.doi.org/10.1364/sof.2020.soth1h.2.

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Canagasabey, A., J. Canning, J. D. Mills, D. P. Banks, and M. Ibsen. "Fibre Bragg grating fabrication in germanosilicate fibres with 244nm femtosecond laser light." In PICALO 2006: 2nd Pacific International Conference on Laser Materials Processing, Micro, Nano and Ultrafast Fabrication. Laser Institute of America, 2006. http://dx.doi.org/10.2351/1.5056959.

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Trofimov, Vyacheslav A., and Pavel Sidorov. "Femtosecond laser pulses self-trapping at THG." In Micro-Structured and Specialty Optical Fibres, edited by Christian-Alexander Bunge, Kyriacos Kalli, and Alexis Mendez. SPIE, 2018. http://dx.doi.org/10.1117/12.2302403.

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Le Dortz, J., M. Antier, J. Bourderionnet, et al. "Coherent beam combining of 19 fibers in femtosecond regime." In Advanced Solid State Lasers. OSA, 2016. http://dx.doi.org/10.1364/assl.2016.jtu2a.39.

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Goya, Kenji, Daisaku Tokita, and Kazuhiro Watanabe. "Femtosecond laser microprocessing for implanting sensor function into optical fibers." In 18th International Symposium on Gas Flow & Chemical Lasers & High Power Lasers, edited by Tanja Dreischuh, Petar A. Atanasov, and Nikola V. Sabotinov. SPIE, 2010. http://dx.doi.org/10.1117/12.880920.

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Bharathan, Gayathri, Toney Teddy Fernandez, Martin Ams, et al. "Femtosecond Laser Direct Written Fibre Bragg Gratings in InF3 Fibre." In Specialty Optical Fibers. OSA, 2020. http://dx.doi.org/10.1364/sof.2020.soth1h.3.

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Theodosiou, Antreas, Jan Aubrecht, Nithyanandan Kanagaraj, et al. "Monolithic fibre lasers developed using the plane-by-plane femtosecond laser inscription method." In 2019 SBMO/IEEE MTT-S International Microwave and Optoelectronics Conference (IMOC). IEEE, 2019. http://dx.doi.org/10.1109/imoc43827.2019.9317643.

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Kalli, K., C. Koutsides, E. Davies, M. Komodromos, D. J. Webb, and L. Zhang. "Femtosecond laser inscribed superstructure fibre gratings." In 21st International Conference on Optical Fibre Sensors (OFS21). SPIE, 2011. http://dx.doi.org/10.1117/12.885994.

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Suzuki, Teruhiko, Daisaku Tokita, and Kazuhiro Watanabe. "Investigation of micro laser drilling on thin glass fibers by femtosecond laser." In 18th International Symposium on Gas Flow & Chemical Lasers & High Power Lasers, edited by Tanja Dreischuh, Petar A. Atanasov, and Nikola V. Sabotinov. SPIE, 2010. http://dx.doi.org/10.1117/12.880925.

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