Academic literature on the topic 'Magneto-optical garnet'

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Journal articles on the topic "Magneto-optical garnet"

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Tomilin, S. V., А. А. Syrov, Т. V. Mikhailova, et al. "Structural, optical and magnetic properties of iron-garnet films after ionic etching." Poverhnostʹ. Rentgenovskie, sinhrotronnye i nejtronnye issledovaniâ, no. 10 (January 7, 2025): 31–46. https://doi.org/10.31857/s1028096024100055.

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The experimental results of studying the influence of ion etching of cation-substituted iron-garnets single-crystal films on their structural, magnetic, optical and magneto-optical properties are presented in article. It has been shown, that the ionic etching of the surface of single-crystallin garnets significantly decrease the surface roughness. An analysis of the domain structure, ferromagnetic resonance spectra, and magneto-optical hysteresis loops in a bismuth-substituted iron-garnet epitaxial film during layer-by-layer ion etching showed the presence of three different layers, the state
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Bozorov, Nosirjon S., Ismailjan M. Kokanbayev, Akmaljon M. Madaliev, et al. "Optical Absorption and Luminescence Spectra of Terbium Gallium Garnet TbGaG and Terbium Aluminum Garnet TbAlG." Inorganics 13, no. 2 (2025): 61. https://doi.org/10.3390/inorganics13020061.

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In this paper, we investigate the optical absorption and luminescence spectra of rare-earth garnets activated by the terbium (Tb3+) ion, as well as their magneto-optical properties. Crystals of terbium gallium garnet (TbGaG) and terbium aluminum garnet (TbAlG) are considered. The focus is on the physical and optical properties and structural features of the energy levels of rare-earth ions in the crystal field of garnets. This work highlights the importance of studying intraconfigurational 4f-4f and interconfigurational 4f-5d transitions, as well as the influence of the crystal field on the ma
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FERNANDEZ-GARCIA, LUCIA, MARTA SUAREZ, and JOSE LUIS MENENDEZ. "OPTICAL AND MAGNETO-OPTICAL ACTIVITY ON PARTIALLY SINTERED Y3Fe5O12 MATERIALS." Functional Materials Letters 03, no. 04 (2010): 237–40. http://dx.doi.org/10.1142/s1793604710001329.

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The optical and magneto-optical activities of yttrium iron garnet are shown to depend on the sintering stage. Low density yttrium iron garnet presents a lower optical activity than the high density garnet. The magneto-optical activity decreases at energies in which the optical transitions are associated to crystal field, indicating a relationship between the optical activity and the distortion of the structure. Finally, a calculation routine has been given to obtain the different elements of the dielectric tensor in bulk materials.
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Simion, B. M., R. Ramesh, E. Marinero, R. L. Pfeffer, and G. Thomas. "Microstructural and magneto-optical characterization of ferrimagnetic multilayered thin-film rare-earth iron garnet heterostructures." Proceedings, annual meeting, Electron Microscopy Society of America 52 (1994): 898–99. http://dx.doi.org/10.1017/s042482010017222x.

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The continuous demands of the computer industry for increased reliability, portability, and density of storage media, has opened a new chapter in the magnetic recording research, by focusing on the viability of magneto-optical materials for storage. Several materials are considered presently to be at the forefront of this new quest: ternary rare-earth transition-metal alloys (such as GdTbFe or TbFeCo), garnets, and Co/Pt or Co/Pd mutilayers. Of these, the ferrimagnetic garnets, due to their relatively flexible structure, may accommodate a large number of substituting ions, allowing thus for a
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Nur-E-Alam, Mohammad, Mikhail Vasiliev, Kamal Alameh, and Viacheslav Kotov. "Physical Properties and Behaviour of Highly Bi-Substituted Magneto-Optic Garnets for Applications in Integrated Optics and Photonics." Advances in Optical Technologies 2011 (August 2, 2011): 1–7. http://dx.doi.org/10.1155/2011/971267.

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Rare-earth and Bi-substituted iron garnet thin film materials exhibit strong potential for application in various fields of science and frontier optical technologies. Bi-substituted iron garnets possess extraordinary optical and MO properties and are still considered as the best MO functional materials for various emerging integrated optics and photonics applications. However, these MO garnet materials are rarely seen in practical photonics use due to their high optical losses in the visible spectral region. In this paper, we report on the physical properties and magneto-optic behaviour of hig
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Nakamura, Yuichi, Sumiko Bharti Singh Chauhan, and Pang Boey Lim. "Magneto–Optical Properties and Applications of Magnetic Garnet." Photonics 11, no. 10 (2024): 931. http://dx.doi.org/10.3390/photonics11100931.

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The interaction between light and the magnetization of a material is called the magneto–optical effect. It was used in magneto–optical recording such as MO disks and has been applied to optical isolators etc. with the development of optical communications. The magneto–optical properties of magnetic garnets and their applications are briefly reviewed in this article. In the first half, after a brief overview of the phenomenology of the magneto–optical effect, the effects of element substitution on properties such as Faraday rotation and optical absorbance of magnetic garnets are shown. In the s
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Kotov, V., M. Nur-E-Alam, M. Vasiliev, K. Alameh, D. Balabanov, and V. Burkov. "Enhanced Magneto-Optic Properties in Sputtered Bi- Containing Ferrite Garnet Thin Films Fabricated Using Oxygen Plasma Treatment and Metal Oxide Protective Layers." Materials 13, no. 22 (2020): 5113. http://dx.doi.org/10.3390/ma13225113.

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Magneto-optic (MO) imaging and sensing are at present the most developed practical applications of thin-film MO garnet materials. However, in order to improve sensitivity for a range of established and forward-looking applications, the technology and component-related advances are still necessary. These improvements are expected to originate from new material system development. We propose a set of technological modifications for the RF-magnetron sputtering deposition and crystallization annealing of magneto-optic bismuth-substituted iron-garnet films and investigate the improved material prop
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Mansurova, M., and O. V. Kolokoltsev. "Spectral Domain Magneto-Optical Magnetometry." Solid State Phenomena 190 (June 2012): 373–76. http://dx.doi.org/10.4028/www.scientific.net/ssp.190.373.

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In this work we present a new concept for measuring high intensity pulsed magnetic fields (h (t)) through the spectral analysis of spin excitations in a saturated yttrium-iron garnet (YIG) thin film grown on a gadolinium gallium garnet (GGG) substrate. The spectrum of spin excitations, generated in the sample by picosecond h (t), was determined with the help of a magnetooptical (MO) Faraday probe in the guided wave regime of lightwave propagation. This technique, compared to the standard MO cells, allows one to avoid saturation effects because the amplitude of h (t) is measured in the frequenc
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Hashimoto, Ryosuke, Toshiya Itaya, Hironaga Uchida, Yuya Funaki, and Syunsuke Fukuchi. "Properties of Magnetic Garnet Films for Flexible Magneto-Optical Indicators Fabricated by Spin-Coating Method." Materials 15, no. 3 (2022): 1241. http://dx.doi.org/10.3390/ma15031241.

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Non-destructive testing using a magneto-optical effect is a high-resolution non-destructive inspection technique for a metallic structure. It is able to provide high-spatial resolution images of defects. Previously, it has been difficult to fabricate flexible magneto-optical sensors because thermal treatment is necessary to crystallize the magnetic garnet. Therefore, it was not possible to apply magneto-optical imaging to complicated shapes in a test subject, such as a curved surface. In this study, we developed a new process for deposition of the magnetic garnet on the flexible substrate by a
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Ishida, Eiichi, Kengo Miura, Yuya Shoji, Tetsuya Mizumoto, Nobuhiko Nishiyama, and Shigehisa Arai. "Magneto-optical switch with amorphous silicon waveguides on magneto-optical garnet." Japanese Journal of Applied Physics 55, no. 8 (2016): 088002. http://dx.doi.org/10.7567/jjap.55.088002.

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Dissertations / Theses on the topic "Magneto-optical garnet"

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Kahl, Sören. "Bismuth iron garnet films for magneto-optical photonic crystals." Doctoral thesis, KTH, Microelectronics and Information Technology, IMIT, 2004. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3711.

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<p>The thesis explores preparation and properties of bismuthiron garnet (BIG) films and the incorporation of BIG films intoone-dimensional magneto-optical photonic crystals (MOPCs).</p><p>Films were prepared by pulsed laser deposition. Weinvestigated or measured crystallinity, morphology,film-substrate interface, cracks, roughness, composition,magnetic coercivity, refractive index and extinctioncoefficient, and magneto-optical Faraday rotation (FR) andellipticity. The investigations were partly performed onselected samples, and partly on two series of films ondifferent substrates and of differ
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Sanches, Piaia Monica. "Femtosecond magneto-optical four-wave mixing in Garnet films." Thesis, Strasbourg, 2014. http://www.theses.fr/2014STRAE024/document.

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Un des objectifs du Femtomagnetisme est de contrôler l’aimantation des matériaux avec des impulsions laser femtoseconde. Il a été démontré qu’une réponse magnéto-optique (MO) cohérente a lieu avant la thermalisation des populations de spins dans une configuration pompe-sonde MOKE. Elle résulte du couplage cohérent spin-photon dû à l’interaction spin-orbite. Une description simplifiée de cet effet a été faite en tenant compte d’un système à huit niveaux couplés au champ laser. La cohérence MO est définie par le temps de déphasage dépendent du champ T2MO. Dans ce travail, il est montré que la ré
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Yao, Situ. "Preparation and Magneto-optical Effect of Ferrite-based Composites and Thin Films." 京都大学 (Kyoto University), 2016. http://hdl.handle.net/2433/215554.

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Tomita, Satoshi, Takeshi Kato, Shigeru Tsunashima, Satoshi Iwata, Minoru Fujii, and Shinji Hayashi. "Magneto-Optical Kerr Effects of Yttrium-Iron Garnet Thin Films Incorporating Gold Nanoparticles." American Physical Society, 2006. http://hdl.handle.net/2237/8878.

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Teggart, Brian Joseph. "Fabrication, characterisation and magneto-optical enhancement of thin film BiGa : Dy iron garnet." Thesis, Queen's University Belfast, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287432.

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DiBiccari, Anders Owen. "Sol-gel processing of RxY3-xAlyFe5-yO12 magneto-optical films." Thesis, Virginia Tech, 2002. http://hdl.handle.net/10919/36458.

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The goal of this research was the fabrication of thin films with magneto-optic (MO) properties. Accomplishment of this task was achieved via sol-gel processing of rare-earth and aluminum substituted yttrium-iron garnet (RxY3-xAlyFe5-yO12, R,Al:YIG), where R= Bi, Gd, Er, Ho. Detailed are the processing conditions, parameters and results leading to R,Al:YIG films with MO response. Success was attained with a 0.25M Gd,Al:YIG solution spin coated for 120 seconds at 3500rpm onto a (111) gadolinium gallium garnet (GGG) substrate and calcinated at 900°C for 4 hours. Samples were characterized via
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Sohlström, Hans. "Fibre Optic Magnetic Field Sensors Utilizing Iron Garnet Materials." Doctoral thesis, KTH, Signaler, sensorer och system, 1993. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-48332.

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This thesis deals with the subject of fibre optic magnetic field sensors utilizing iron garnet materials. Such materials exhibit a large Faraday rotation which make them advantageous for application in compact mag­netic field sensors. After an introduction, in which fibre optic sensors and optical methods to measure electric current are reviewed, the original research work is summarized. A system for the measurement of the magneto-optic properties of trans­parent materials is described. Measurement results, showing the influence of temperature, magnetic field direction and sample treatment on
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Alam, Mohammad. "High performance magneto-optic garnet materials for integrated optics and photonics." Thesis, Edith Cowan University, Research Online, Perth, Western Australia, 2012. https://ro.ecu.edu.au/theses/528.

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This work explores the preparation, characteristics and properties of highly bismuth (Bi) substituted, metal doped, iron garnet compounds and investigates their potential for various emerging applications in the visible and near infrared spectral regions. Bi-substituted iron garnet and garnet-oxide nanocomposite films of generic composition type (Bi, Dy/Lu)3(Fe, Ga/Al)5O12 are prepared by using a radio frequency (RF) magnetron sputtering technique. The physical properties (crystallinity, film morphology, optical absorption spectra across the visible spectral range and the elemental composition
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Dzibrou, Dzmitry. "Complex Oxide Photonic Crystals." Licentiate thesis, KTH, Microelectronics and Applied Physics, MAP, 2009. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-11068.

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<p>Microphotonics has been offering a body of ideas to prospective applicationsin optics. Among those, the concept of photonic integrated circuits (PIC’s) has recently spurred a substantial excitement into the scientific community. Relisation of the PIC’s becomes feasible as the size shrinkage of the optical elements is accomplished. The elements based on photonic crystals (PCs) represent promising candidacy for manufacture of PIC’s. This thesis is devoted to tailoring of optical properties and advanced modelling of two types of photonic crystals: (Bi<sub>3</sub>Fe<sub>5</sub>O<sub>12</sub>/Sm
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Ibrahim, Noor Baa'yah. "Properties of yttrium iron garnet thin films grown by pulsed laser ablation deposition." Thesis, University of Warwick, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.343112.

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Book chapters on the topic "Magneto-optical garnet"

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Krafft, C., J. Zhang, K. Marr, J. B. Dottellis, and I. Mayergoyz. "Forensic Imaging of Magnetic Tapes Using Magnetic Garnet Indicator Films." In Magneto-Optical Imaging. Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-007-1007-8_35.

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Holthaus, C., O. Hagedorn, M. Klank, M. Shamonin, A. Trifonov, and H. Dötsch. "Preparation and Characterization of Sensitive Magnetic Garnet Films for MOI Applications." In Magneto-Optical Imaging. Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-007-1007-8_42.

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Dötsch, H., M. Klank, O. Hagedorn, C. Holthaus, M. Shamonin, and A. Trifonov. "Optimization of Magnetic Garnet Films for Magneto-Optical Imaging of Magnetic Field Distributions." In Magneto-Optical Imaging. Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-007-1007-8_39.

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Argyle, Bernell E. "Domain Walls, Bloch-Line Vortices and Their Resonances Imaged in Garnet Films Using Cotton-Mouton Magneto-Optics." In Magneto-Optical Imaging. Springer Netherlands, 2004. http://dx.doi.org/10.1007/978-94-007-1007-8_41.

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Jeon, Young Ho, Jae Hee Oh, and Tae Gyung Ko. "Magneto-Optical Properties of Ce-Yttrium Iron Garnet Nanoparticles Dispersed in an Epoxy Resin." In Solid State Phenomena. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/3-908451-31-0.883.

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Tomita, Satoshi. "Spectroscopic Ellipsometry and Magneto-Optical Kerr Spectroscopy of Magnetic Garnet Thin Films Incorporating Plasmonic Nanoparticles." In Ellipsometry at the Nanoscale. Springer Berlin Heidelberg, 2013. http://dx.doi.org/10.1007/978-3-642-33956-1_9.

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Pross, E., H. Dammann, W. Tolksdorf, and M. Zinke. "Single-Mode Magneto-Optic Waveguides in Multiple-Layer Garnet." In Springer Series in Optical Sciences. Springer Berlin Heidelberg, 1985. http://dx.doi.org/10.1007/978-3-540-39452-5_12.

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Barthelemy, M., M. Sanches Piaia, H. Vonesh, et al. "Magneto-optical Wave Mixing in Garnets." In Springer Proceedings in Physics. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-07743-7_67.

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"Garnet Media." In Magneto-Optical Recording Materials. IEEE, 2009. http://dx.doi.org/10.1109/9780470545218.ch4.

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Suzuki, M., T. Kotani, N. Yamaguchi, et al. "Magneto-optical spectra of bismuth-substituted gadolinium iron garnets in vacuum ultraviolet." In Proceedings of the 11th International Conference on Vacuum Ultraviolet Radiation Physics. Elsevier, 1996. http://dx.doi.org/10.1016/b978-0-444-82245-1.50074-1.

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Conference papers on the topic "Magneto-optical garnet"

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Xue, Qiang, Yuan-Jing Zhang, Qing-Hui Yang, Huai-Wu Zhang, and Qi-Ye Wen. "Room Temperature Terahertz Magneto-optical Effect of Wafer-scale TbCaBi:Rare-earth Iron Garnet Single-crystal Film under Low Magnetic Field Intensity." In 2024 IEEE International Conference on Signal, Information and Data Processing (ICSIDP). IEEE, 2024. https://doi.org/10.1109/icsidp62679.2024.10869212.

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Shen, Defang. "Garnet films for magneto-optical recording." In Fourth International Symposium on Optical Storage, edited by Fuxi Gan. SPIE, 1996. http://dx.doi.org/10.1117/12.248719.

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Randoshkin, Vladimir V. "Magneto-Optical Garnet Films With High G-Factor." In 1989 Intl Congress on Optical Science and Engineering, edited by Jean-Paul Castera. SPIE, 1989. http://dx.doi.org/10.1117/12.961388.

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Yokoi, Hideki, Tetsuya Mizumoto, Koichi Maru, and Yoshiyuki Naito. "Direct bonding between laser wafers and magneto-optic waveguides." In The European Conference on Lasers and Electro-Optics. Optica Publishing Group, 1996. http://dx.doi.org/10.1364/cleo_europe.1996.cfg3.

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Wafer direct bonding is an attractive technique for the integration of different materials The authors have applied this technique to the bonding between III-V compound semiconductors and magneto-optic crystals with the aim of the integration of a laser diode and an optical isolator because it overcomes the issues associated with the lattice mismatch between the two different materials [1,2]. In a previous study, we demonstrated the bonding between InP and several kinds of garnets [3] which are essential to an optical isolator. When the optical isolator is integrated with the laser wafer as sh
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Mizumoto, Tetsuya, and Yuya Shoji. "Optical Nonreciprocal Devices Fabricated with Directly Bonded Magneto-Optical Garnet." In Latin America Optics and Photonics Conference. OSA, 2018. http://dx.doi.org/10.1364/laop.2018.th5e.1.

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Ishida, Eiichi, Kengo Miura, Yuya Shoji, Tetsuya Mizumoto, Nobuhiko Nishiyama, and Shigehisa Arai. "Demonstration of magneto-optical switch with amorphous silicon waveguides on magneto-optic garnet." In 2015 20th Microoptics Conference (MOC). IEEE, 2015. http://dx.doi.org/10.1109/moc.2015.7416396.

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Miura, K., T. Hirasawa, J. Kang, et al. "Optical isolator with amorphous silicon waveguide core on magneto-optical garnet." In 2014 IEEE 11th International Conference on Group IV Photonics. IEEE, 2014. http://dx.doi.org/10.1109/group4.2014.6961954.

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Meretska, M. L., F. H. B. Somhorst, M. Ossiander, Y. Hou, J. Moodera, and F. Capasso. "Magneto-optical properties of thin-film EuS at room temperature." In CLEO: Science and Innovations. Optica Publishing Group, 2022. http://dx.doi.org/10.1364/cleo_si.2022.sf1d.6.

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We report on the magneto-optical properties of thin-film EuS characterized at room temperature. The Verdet constant of EuS is one order of magnitude higher than the commonly used Terbium Gallium Garnet (TGG) crystal.
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Murai, Toshiya, Yuya Shoji, Nobuhiko Nishiyama, and Tetsuya Mizumoto. "Magneto-Optical Microring Switch of Amorphous Silicon Waveguide on Garnet." In 2019 24th OptoElectronics and Communications Conference (OECC) and 2019 International Conference on Photonics in Switching and Computing (PSC). IEEE, 2019. http://dx.doi.org/10.23919/ps.2019.8817876.

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Randoshkin, Vladimir V. "Magneto-optical bismuth-substituted bubble garnet films for magnetic field sensors." In Orlando '90, 16-20 April, edited by Rudolf Hartmann, M. J. Soileau, and Vijay K. Varadan. SPIE, 1990. http://dx.doi.org/10.1117/12.21642.

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