Статті в журналах з теми "Polarisation control"

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1

Vilela de Faria, G., J. Ferreira, G. B. Xavier, G. P. Temporão, and J. P. von der Weid. "Polarisation control schemes for fibre-optics quantum communications using polarisation encoding." Electronics Letters 44, no. 3 (2008): 228. http://dx.doi.org/10.1049/el:20083122.

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2

Robert, F., P. Besnard, M. L. Charès, and G. M. Stephan. "VCSEL-polarisation control with polarised feedback." IEE Proceedings - Optoelectronics 143, no. 1 (February 1, 1996): 104–6. http://dx.doi.org/10.1049/ip-opt:19960399.

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3

Shimuzi, M., T. Mukaihara, F. Koyama, and K. Iga. "Polarisation control for surface emitting lasers." Electronics Letters 27, no. 12 (1991): 1067. http://dx.doi.org/10.1049/el:19910662.

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4

Noé, R. "Endless polarisation control in coherent optical communications." Electronics Letters 22, no. 15 (1986): 772. http://dx.doi.org/10.1049/el:19860529.

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5

Walker, N. G., and G. R. Walker. "Endless polarisation control using four fibre squeezers." Electronics Letters 23, no. 6 (1987): 290. http://dx.doi.org/10.1049/el:19870211.

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6

Ferrero, F., C. Luxey, R. Staraj, G. Jacquemod, M. Yedlin, and V. F. Fusco. "Patch antenna with linear polarisation tilt control." Electronics Letters 45, no. 17 (2009): 870. http://dx.doi.org/10.1049/el.2009.1919.

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7

Preece, Daryl, Stephen Keen, Elliot Botvinick, Richard Bowman, Miles Padgett, and Jonathan Leach. "Independent polarisation control of multiple optical traps." Optics Express 16, no. 20 (September 22, 2008): 15897. http://dx.doi.org/10.1364/oe.16.015897.

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8

Rysdale, L. J. "Method of overcoming finite-range limitation of certain state of polarisation control devices in automatic polarisation control schemes." Electronics Letters 22, no. 2 (1986): 100. http://dx.doi.org/10.1049/el:19860070.

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9

Preite, Massimo Valerio, Vito Sorianello, Gabriele De Angelis, Marco Romagnoli, and Philippe Velha. "Geometrical Representation of a Polarisation Management Component on a SOI Platform." Micromachines 10, no. 6 (May 30, 2019): 364. http://dx.doi.org/10.3390/mi10060364.

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Анотація:
Grating couplers, widely used in Silicon Photonics (SiPho) for fibre-chip coupling are polarisation sensitive components, consequently any polarisation fluctuation from the fibre optical link results in spurious intensity swings. A polarisation management componentis analytically considered, coupled with a geometrical representation based on phasors and Poincaré sphere, generalising and simplifying the treatment and understanding of its functionalities. A specific implementation in SOI is shown both as polarisation compensator and polarisation controller, focusing on the operative principle. Finally, it is demonstrated experimentally that this component can be used as an integrated polarimeter.
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10

Oshlakov, Victor G., and Anatoly P. Shcherbakov. "Optimisation of a Polarisation Nephelometer." Light & Engineering, no. 02-2021 (April 2021): 87–95. http://dx.doi.org/10.33383/2020-057.

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An analysis of the influence caused by polarization nephelometer parameters on the scattering matrix measurement accuracy in a non-isotropic medium is presented. The approximation errors in the actual scattering volume and radiation beam by an elementary scattering volume and an elementary radiation beam are considered. A formula for calculating the nephelometer base is proposed. It is shown that requirements to an irradiation source of a polarizing nephelometer, i.e. mono-chromaticity and high radiation intensity and directivity in a wide spectral range can be satisfied by a set of high brightness LEDs with a radiating (self-luminous) small size body. A 5-wavelength monochromatic irradiation source, with an emission flux of (0.15–0.6) W required for a polarization nephelometer, is described. The design of small-sized polarizing phase control units is shown. An electronic circuit of a radiator control unit based on an AVR-Atmega 8-bit microcontroller with feedback and drive control realized by means of an incremental angular motion sensor and a software PID controller is presented. Precise and smooth motion of the radiator is ensured by standard servo-driven numerical control mathematics and the use of precision gears. The system allows both autonomous adjustment of the radiator’s reference positions and adjustment by means of commands from a personal computer. Both the computer and microcontroller programs were developed with the use of free software, making it possible to transfer the programs to Windows‑7(10), Linux and embedded Linux operating systems. Communication between the radiator’s position control system and the personal computer is realised by means of a standard noise immune USB-RS485 interface.
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11

Mrudul, M. S., and Gopal Dixit. "Controlling valley-polarisation in graphene via tailored light pulses." Journal of Physics B: Atomic, Molecular and Optical Physics 54, no. 22 (November 17, 2021): 224001. http://dx.doi.org/10.1088/1361-6455/ac41ae.

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Abstract Analogous to charge and spin, electrons in solids endows an additional degree of freedom: the valley pseudospin. Two-dimensional hexagonal materials such as graphene exhibit two valleys, labelled as K and K′. These two valleys have the potential to realise logical operations in two-dimensional materials. Obtaining the desired control over valley polarisation between the two valleys is a prerequisite for the logical operations. Recently, it was shown that two counter-rotating circularly polarised laser pulses can induce a significant valley-polarisation in graphene. The main focus of the present work is to optimise the valley polarisation in monolayer graphene by controlling different laser parameters, such as wavelength, intensity ratio, frequency ratio and sub-cycle phase in two counter-rotating circularly polarised laser setup. Moreover, an alternate approach, based on single or few-cycle linearly polarised laser pulse, is also explored to induce significant valley polarisation in graphene. Our work could help experimentalists to choose a suitable method with optimised parameter space to obtain the desired control over valley polarisation in monolayer graphene.
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12

Szpakiewicz-Szatan, A., D. Dabrowski, P. Horodek, M. Peryt, and K. Roslon. "Slow Control of Positron Polarisation System's Power Supply." Acta Physica Polonica B Proceedings Supplement 11, no. 4 (2018): 825. http://dx.doi.org/10.5506/aphyspolbsupp.11.825.

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13

Unold, H. J., M. C. Riedl, R. Michalzik, and K. J. Ebeling. "Polarisation control in VCSELs by elliptic surface etching." Electronics Letters 38, no. 2 (2002): 77. http://dx.doi.org/10.1049/el:20020040.

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14

Okoshi, T., N. Fukaya, and K. Kikuchi. "New polarisation-state control device: rotatable fibre cranks." Electronics Letters 21, no. 20 (1985): 895. http://dx.doi.org/10.1049/el:19850631.

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15

O'Sullivan, N. M., T. A. Birks, and C. D. Hussey. "Control of polarisation degradation in fibre amplifier WDMs." Electronics Letters 28, no. 17 (1992): 1616. http://dx.doi.org/10.1049/el:19921028.

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16

Rudavin, N. V., I. S. Gerasin, E. E. Mekhtiev, A. V. Duplinsky, and Y. V. Kurochkin. "QKD key generation control protocol." Journal of Physics: Conference Series 2086, no. 1 (December 1, 2021): 012098. http://dx.doi.org/10.1088/1742-6596/2086/1/012098.

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Abstract Polarization-encoding fiber QKD requires compensation of polarization distortion caused by birefringence in optical fiber. Solving this task inevitably requires losing some effectiveness in terms of the final key rate. In this work, a time-division multiplexing protocol for polarisation calibration is suggested. This protocol was implemented in a QRate commercial QKD fiber system, utilizing BB84-protocol. Parameters of the protocol were optimized to maximize the secret key rate.
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17

Pati, Shyam Sundar, and Swaroop Sahoo. "Single/Dual/Triple Broadband Metasurface Based Polarisation Converter with High Angular Stability for Terahertz Applications." Micromachines 13, no. 9 (September 18, 2022): 1547. http://dx.doi.org/10.3390/mi13091547.

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This paper presents design and characterisation of a new compact metasurface based linear polarisation converter for terahertz applications. The metasurface unit cell with periodicity of 0.292λ0 consists of an asymmetrically oriented planar double semicircular goblet-shaped resonators. It is printed on a polydimethylsiloxane (PDMS) dielectric substrate backed by a gold layer that acts as a ground plane. This metasurface structure exhibits a broadband cross-polarisation conversion in the frequency range of 0.72–0.99 THz with a polarisation conversion ratio (PCR) > 95% and angular stability > 40∘ for both TE and TM modes. However, the PCR for the single band is >99% at resonant frequencies of 0.755 and 0.94 THz, while the optimised design shows 100% PCR over a BW of 95 GHz. Furthermore, slight modification and optimisation of the broadband design results in quad-ring and slotted DSGRs that produce dual and triple broadband polarisation conversion, respectively. The quad-ring DSGR performs polarisation conversion for frequency range of 0.70–1.08 and 1.61–1.76 THz while the slotted DSGR shows the triple broadband cross-conversion for frequency range of 0.67–0.85, 1.04–1.11, and 1.62–1.76 THz with PCR > 95%. This design is simple, easy to modify to implement single and multi broadband polarisation conversion with high PCR at terahertz regime. In addition to that, it is easy to fabricate and integrate with other components like multiple-input multiple-output terahertz antennas for mutual coupling reduction.
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18

Hiraguri, T., Y. Ojiro, K. Hirasawa, and K. Shouno. "Polarisation control of a loop antenna by PIN diodes." IET Microwaves, Antennas & Propagation 1, no. 3 (2007): 592. http://dx.doi.org/10.1049/iet-map:20060145.

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19

Imai, T., K. Nosu, and H. Yamaguchi. "Optical polarisation control utilising an optical heterodyne detection scheme." Electronics Letters 21, no. 2 (1985): 52. http://dx.doi.org/10.1049/el:19850036.

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20

Drareni, Karima, Jean-François Gautier, Nicolas Venteclef, and Fawaz Alzaid. "Transcriptional control of macrophage polarisation in type 2 diabetes." Seminars in Immunopathology 41, no. 4 (May 2, 2019): 515–29. http://dx.doi.org/10.1007/s00281-019-00748-1.

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21

Mukaihara, T., F. Koyama, and K. Iga. "Stress effect for polarisation control of surface emitting lasers." Electronics Letters 28, no. 6 (1992): 555. http://dx.doi.org/10.1049/el:19920350.

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22

Wilkinson, I. J. "Comment: Control of polarisation degradation in fibre amplifier WDMs." Electronics Letters 29, no. 2 (1993): 214. http://dx.doi.org/10.1049/el:19930144.

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23

O'Sullivan, N. M., T. A. Birks, and C. D. Hussey. "Reply: Control of polarisation degradation in fibre amplifier WDMs." Electronics Letters 29, no. 2 (1993): 215. http://dx.doi.org/10.1049/el:19930145.

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24

Koch, B., R. Noé, V. Mirvoda, and D. Sandel. "20 krad/s endless optical polarisation and phase control." Electronics Letters 49, no. 7 (March 2013): 483–85. http://dx.doi.org/10.1049/el.2013.0485.

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25

Mahon, C. J., and G. D. Khoe. "Endless polarisation state matching control experiment using two controllers of finite control range." Electronics Letters 23, no. 23 (1987): 1234. http://dx.doi.org/10.1049/el:19870859.

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26

Castro-Sánchez, Patricia, Rocio Ramirez-Munoz, and Pedro Roda-Navarro. "Gene Expression Profiles of Human Phosphotyrosine Phosphatases Consequent to Th1 Polarisation and Effector Function." Journal of Immunology Research 2017 (2017): 1–12. http://dx.doi.org/10.1155/2017/8701042.

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Phosphotyrosine phosphatases (PTPs) constitute a complex family of enzymes that control the balance of intracellular phosphorylation levels to allow cell responses while avoiding the development of diseases. Despite the relevance of CD4 T cell polarisation and effector function in human autoimmune diseases, the expression profile of PTPs during T helper polarisation and restimulation at inflammatory sites has not been assessed. Here, a systematic analysis of the expression profile of PTPs has been carried out during Th1-polarising conditions and upon PKC activation and intracellular raise of Ca2+in effector cells. Changes in gene expression levels suggest a previously nonnoted regulatory role of several PTPs in Th1 polarisation and effector function. A substantial change in the spatial compartmentalisation of ERK during T cell responses is proposed based on changes in the dose of cytoplasmic and nuclear MAPK phosphatases. Our study also suggests a regulatory role of autoimmune-related PTPs in controlling T helper polarisation in humans. We expect that those PTPs that regulate T helper polarisation will constitute potential targets for intervening CD4 T cell immune responses in order to generate new therapies for the treatment of autoimmune diseases.
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27

Hinz, S., D. Sandel, R. Noé, and F. Wüst. "Optical NRZ 2 × 10 Gbit/s polarisation division multiplex transmission with endless polarisation control driven by correlation signals." Electronics Letters 36, no. 16 (2000): 1402. http://dx.doi.org/10.1049/el:20001002.

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28

Gustavsson, J. S., A. Larsson, P. Jedrasik, E. Söderberg, Å. Haglund, P. Modh, and J. Vukušić. "Mode and polarisation control in VCSELs using shallow surface structures." IET Optoelectronics 1, no. 5 (October 1, 2007): 197–205. http://dx.doi.org/10.1049/iet-opt:20060102.

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29

Honmou, H., S. Yamazaki, K. Emura, R. Ishikawa, I. Mito, M. Shikada, and K. Minemura. "Stabilisation of heterodyne receiver sensitivity with automatic polarisation control system." Electronics Letters 22, no. 22 (1986): 1181. http://dx.doi.org/10.1049/el:19860809.

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30

Walker, N. G., G. R. Walker, and J. Davidson. "Endless polarisation control using an integrated optic lithium niobate device." Electronics Letters 24, no. 5 (1988): 266. http://dx.doi.org/10.1049/el:19880178.

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31

Pura, B., J. Petykiewicz, L. Adamowicz, W. Jeda, M. Wierzbicki, and K. Brudzewski. "Polarisation control of light by light in a nonlinear polymer." Applied Physics B: Lasers and Optics 67, no. 2 (August 1, 1998): 211–15. http://dx.doi.org/10.1007/s003400050495.

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32

Pannell, C. N., R. P. Tatam, J. D. C. Jones, and D. A. Jackson. "Two-dimensional fibre-optic laser velocimetry using polarisation state control." Journal of Physics E: Scientific Instruments 21, no. 1 (January 1988): 103–7. http://dx.doi.org/10.1088/0022-3735/21/1/019.

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33

Wang, T., T. J. Puchtler, T. Zhu, J. C. Jarman, L. P. Nuttall, R. A. Oliver, and R. A. Taylor. "Polarisation-controlled single photon emission at high temperatures from InGaN quantum dots." Nanoscale 9, no. 27 (2017): 9421–27. http://dx.doi.org/10.1039/c7nr03391e.

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34

Han, Molong, Daniel Smith, Soon Hock Ng, Zoltan Vilagosh, Vijayakumar Anand, Tomas Katkus, Ignas Reklaitis, et al. "THz Filters Made by Laser Ablation of Stainless Steel and Kapton Film." Micromachines 13, no. 8 (July 25, 2022): 1170. http://dx.doi.org/10.3390/mi13081170.

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Анотація:
THz band-pass filters were fabricated by femtosecond-laser ablation of 25-μm-thick micro-foils of stainless steel and Kapton film, which were subsequently metal coated with a ∼70 nm film, closely matching the skin depth at the used THz spectral window. Their spectral performance was tested in transmission and reflection modes at the Australian Synchrotron’s THz beamline. A 25-μm-thick Kapton film performed as a Fabry–Pérot etalon with a free spectral range (FSR) of 119 cm−1, high finesse Fc≈17, and was tuneable over ∼10μm (at ∼5 THz band) with β=30∘ tilt. The structure of the THz beam focal region as extracted by the first mirror (slit) showed a complex dependence of polarisation, wavelength and position across the beam. This is important for polarisation-sensitive measurements (in both transmission and reflection) and requires normalisation at each orientation of linear polarisation.
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35

Rogov, Aleksey B. "Smart Arbitrary Waveform Generator with Digital Feedback Control for High-Voltage Electrochemistry." Instruments 3, no. 1 (February 7, 2019): 13. http://dx.doi.org/10.3390/instruments3010013.

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This paper describes a design approach to a control system of power supply for high-voltage electrochemical processes such as plasma electrolytic oxidation (PEO) or high-voltage anodising (HVA), which require alternating polarisation pulses up to 750 V and a typical current density of 50–500 mA/cm2. Complex characteristics of the electrochemical system response on applied polarisations (positive or negative) cause necessity of precise control of polarising pulse shapes for better process operation and its understanding. A device performs cycle-by-cycle pulse-width modulation (PWM) control, including feedback based on digital analysis of the instantaneous current and/or voltage output, and the desired pulse waveform stored in memory for each output polarity. The output stage has four states corresponding to positive or negative pulses, as well as open- or short-circuit conditions, with respect to an electrochemical cell. A fully programmable controller allows one to generate arbitrary waveforms, as well as their sequences, by means of “regime designer” software. Moreover, a smart feedback system can provide adaptation of the next pulse parameter from analysis of the process prehistory. For instance, this approach allows one to separate main electrochemical process (coating formation) and diagnosis of the phenomenon through introduction of high-voltage triangular voltage sweep pulse within a pause of the main process, which is normally carried out under a current control.
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36

Zhang, Haiyan, Chuangxin Lin, Chun Zeng, Zhenyu Wang, Hua Wang, Jiansen Lu, Xin Liu, et al. "Synovial macrophage M1 polarisation exacerbates experimental osteoarthritis partially through R-spondin-2." Annals of the Rheumatic Diseases 77, no. 10 (July 10, 2018): 1524–34. http://dx.doi.org/10.1136/annrheumdis-2018-213450.

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ObjectivesTo investigate the roles and regulatory mechanisms of synovial macrophages and their polarisation in the development of osteoarthritis (OA).MethodsSynovial tissues from normal patients and patients with OA were collected. M1 or M2-polarised macrophages in synovial tissues of patients with OA and OA mice were analysed by immunofluorescence and immunohistochemical staining. Mice with tuberous sclerosis complex 1 (TSC1) or Rheb deletion specifically in the myeloid lineage were generated and subjected to intra-articular injection of collagenase (collagenase-induced osteoarthritis, CIOA) and destabilisation of the medial meniscus (DMM) surgery to induce OA. Cartilage damage and osteophyte size were measured by Osteoarthritis Research Society International score and micro-CT, respectively. mRNA sequencing was performed in M1 and control macrophages. Mice and ATDC5 cells were treated with R-spondin-2 (Rspo2) or anti-Rspo2 to investigate the role of Rspo2 in OA.ResultsM1 but not M2-polarised macrophages accumulated in human and mouse OA synovial tissue. TSC1 deletion in the myeloid lineage constitutively activated mechanistic target of rapamycin complex 1 (mTORC1), increased M1 polarisation in synovial macrophages and exacerbated experimental OA in both CIOA and DMM models, while Rheb deletion inhibited mTORC1, enhanced M2 polarisation and alleviated CIOA in mice. The results show that promoting the macrophage M1 polarisation leads to exacerbation of experimental OA partially through secretion of Rspo2 and activation of β-catenin signalling in chondrocytes.ConclusionsSynovial macrophage M1 polarisation exacerbates experimental CIOA partially through Rspo2. M1 macrophages and Rspo2 are potential therapeutic targets for OA treatment.
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37

Tkachenko, Georgiy, Fuchuan Lei, and Síle Nic Chormaic. "Polarisation control for optical nanofibres by imaging through a single lens." Journal of Optics 21, no. 12 (November 14, 2019): 125604. http://dx.doi.org/10.1088/2040-8986/ab5204.

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38

Zhang, Z., M. Schell, N. Keil, N. Mettbach, C. Zawadzki, J. Wang, D. Schmidt, W. Brinker, and N. Grote. "Polymer-based photonic toolbox: passive components, hybrid integration and polarisation control." IET Optoelectronics 5, no. 5 (October 1, 2011): 226–32. http://dx.doi.org/10.1049/iet-opt.2010.0054.

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39

Noé, R. "Endless polarisation control experiment with three elements of limited birefringence range." Electronics Letters 22, no. 25 (1986): 1341. http://dx.doi.org/10.1049/el:19860922.

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40

Creaner, M. J., R. C. Steele, G. R. Walker, and N. G. Walker. "565 Mbit/s optical PSK transmission system with endless polarisation control." Electronics Letters 24, no. 5 (1988): 270. http://dx.doi.org/10.1049/el:19880180.

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41

Tatam, R. P., J. D. C. Jones, and D. A. Jackson. "Optical polarisation state control schemes using fibre optics or Bragg cells." Journal of Physics E: Scientific Instruments 19, no. 9 (September 1986): 711–17. http://dx.doi.org/10.1088/0022-3735/19/9/013.

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42

Ono, T., S. Yamazaki, H. Shimizu, and K. Emura. "Feasibility study on common polarisation control for coherent FDM transmission system." Electronics Letters 25, no. 24 (1989): 1651. http://dx.doi.org/10.1049/el:19891107.

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43

Hadi, Awal M., Koen T. B. Mouchaers, Ingrid Schalij, Katrien Grunberg, Gerrit A. Meijer, Anton Vonk-Noordegraaf, Willem J. van der Laarse, and Jeroen A. M. Beliën. "Rapid Quantification of Myocardial Fibrosis: A New Macro-Based Automated Analysis." Analytical Cellular Pathology 33, no. 5-6 (2010): 257–69. http://dx.doi.org/10.1155/2010/858356.

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Background: Fibrosis is associated with various cardiac pathologies and dysfunction. Current quantification methods are time-consuming and laborious. We describe a semi-automated quantification technique for myocardial fibrosis and validated this using traditional methods.Methods: Pulmonary Hypertension (PH) was induced in adult Wistar rats by subcutaneous monocrotaline (MCT) injection (40 mg/kg). Cryosections of myocardial tissue (5 μm) of PH rats (n=9) and controls (n=9) were stained using Picrosirius red and scanned with a digital microscopic Mirax slide scanner. From these sections 21 images were taken randomly of each heart. Using ImageJ software a macro for automated image analysis of the amount of fibrosis was developed. For comparison, fibrosis was quantified using traditional polarisation microscopy. Both methods were correlated and validated against stereology as the gold standard. Furthermore, the method was tested in paraffin-embedded human tissues.Results: Automated analysis showed a significant increase of fibrosis in PH hearts vs. control. Automated analysis correlated with traditional polarisation and stereology analysis (r2=0.92 and r2=0.95, respectively). In human heart, lungs, kidney and liver, a similar correlation with stereology (r2=0.91) was observed. Time required for automated analysis was 22 and 33% of the time needed for stereology and polarisation analysis, respectively.Conclusion: Automated quantification of fibrosis is feasible, objective and time-efficient.
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44

Usman, Muhammad. "Tunable bandgap and isotropic light absorption from bismuth-containing GaAs core–shell and multi-shell nanowires." Nanoscale 12, no. 40 (2020): 20973–83. http://dx.doi.org/10.1039/d0nr04728g.

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Addition of bismuth in GaAs core-shell nanowires allows an exquisite control over their band-gap energies and light polarisation properties, paving the way for new possibilities for future technologies in the areas of photonics, quantum electronics, and solar energy harvesting.
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45

Okoshi, T., Y. H. Cheng, and K. Kikuchi. "New polarisation-control scheme for optical heterodyne receiver using two Faraday rotators." Electronics Letters 21, no. 18 (1985): 787. http://dx.doi.org/10.1049/el:19850555.

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46

Allegre, O. J., W. Perrie, K. Bauchert, D. Liu, S. P. Edwardson, G. Dearden, and K. G. Watkins. "Real-time control of polarisation in ultra-short-pulse laser micro-machining." Applied Physics A 107, no. 2 (January 26, 2012): 445–54. http://dx.doi.org/10.1007/s00339-012-6761-5.

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47

Philipsen, J. L., M. O. Berendt, P. Varming, V. C. Lauridsen, J. H. Povlsen, J. Hübner, M. Kristensen, and B. Pálsdóttir. "Polarisation control of DFB fibre laser using UV-induced birefringent phase-shift." Electronics Letters 34, no. 7 (1998): 678. http://dx.doi.org/10.1049/el:19980492.

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48

Kapellos, Theodore S., and Asif J. Iqbal. "Epigenetic Control of Macrophage Polarisation and Soluble Mediator Gene Expression during Inflammation." Mediators of Inflammation 2016 (2016): 1–15. http://dx.doi.org/10.1155/2016/6591703.

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Macrophages function as sentinel cells, which constantly monitor the host environment for infection or injury. Macrophages have been shown to exhibit a spectrum of activated phenotypes, which can often be categorised under the M1/M2 paradigm. M1 macrophages secrete proinflammatory cytokines and chemokines, such as TNF-α, IL-6, IL-12, CCL4, and CXCL10, and induce phagocytosis and oxidative dependent killing mechanisms. In contrast, M2 macrophages support wound healing and resolution of inflammation. In the past decade, interest has grown in understanding the mechanisms involved in regulating macrophage activation. In particular, epigenetic control of M1 or M2 activation states has been shown to rely on posttranslational modifications of histone proteins adjacent to inflammatory-related genes. Changes in methylation and acetylation of histones by methyltransferases, demethylases, acetyltransferases, and deacetylases can all impact how macrophage phenotypes are generated. In this review, we summarise the latest advances in the field of epigenetic regulation of macrophage polarisation to M1 or M2 states, with particular focus on the cytokine and chemokine profiles associated with these phenotypes.
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49

Glazkov, A. V., I. K. Dzhioeva, D. V. Pervukhin, A. A. Pruchkina, and G. O. Rytikov. "Polarisation-optical model of a controlled random number generator." E-Management 4, no. 4 (January 28, 2022): 47–54. http://dx.doi.org/10.26425/2658-3445-2021-4-4-47-54.

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The subject of the paper is an original model of a tunable optical random number generator. The purpose of the article is to analyse the possibilities of using the proposed model to ensure the protection of the control signals in the projected telecommunication management system of the robotized agro-industrial complex of the Republic of South Ossetia.The research was carried out by methods of mathematical and information-logical modeling. The main results of the study are the information-logical model of the hardware implementation prototype, the descriptive mathematical model of its functioning and the obtained dependences of the quantitative characteristics of the generated random numbers statistical distributions on the main control parameter of the experimental setup.These results can be used in the design and the operation of the remote production facilities monitoring and management telecommunication systems’ components. The possibilities of prototype creating and functioning were demonstrated by visualising the schematic chart of the experimental equipment and by the quantitative estimates of “one” and “zero” signals observation probabilities under the different polarisation rotator orientations relative to the plane of the optical signals detecting system.
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50

Anjum, Omar F., Massimiliano Guasoni, and Periklis Petropoulos. "All‐optical control of spatial beam intensity in multimode fibres by polarisation modulation." IET Optoelectronics 15, no. 5 (March 11, 2021): 233–38. http://dx.doi.org/10.1049/ote2.12022.

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