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Träfflista för sökning "WFRF:(Margulis W) "

Search: WFRF:(Margulis W)

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  • Albert, J, et al. (author)
  • Grating formation in pure silica fiber
  • 2001
  • In: Proceedings of BGPP 2001 - Bragg Gratings, photosensitivity, and Poling in Glass Fibers and Waveguides, BThC9, (2001). Stresa Italy. 4 July 2001.. - 155752680X
  • Conference paper (peer-reviewed)
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  • Etcheverry, Sebastián, et al. (author)
  • Optofludics in microstructured fibers combining particle elasto-inertial focusing and fluorescence
  • 2016
  • In: 2016 CONFERENCE ON LASERS AND ELECTRO-OPTICS (CLEO). - Washington, D.C. : IEEE conference proceedings. - 9781943580118
  • Conference paper (peer-reviewed)abstract
    • Optofluidics is exploited in an all-fiber component to detect and identify through fluorescence particles flowing at high rate and inertially focused in a capillary. The system represents a first step towards an in-fiber flow cytometer.
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  • Jelger, Pär, et al. (author)
  • All-fiber capillary electrophoresis with novel axial in-line detection
  • 2008
  • Conference paper (peer-reviewed)abstract
    • An all-fiber capillary electrophoresis system is presented. It enables sensitive in-line electrophoresis separation and fluorescence detection. As a proof of concept, a biological sample (FITC-BSA) is electrokinetically separated and analyzed.
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  • Karlsson, G., et al. (author)
  • Widely tunable fiber-coupled single-frequency Er-Yb : Glass laser
  • 2003
  • In: Applied Optics. - 1559-128X .- 2155-3165. ; 42:21, s. 4327-4330
  • Journal article (peer-reviewed)abstract
    • A fiber-coupled tunable Er-Yb:glass minilaser is presented with output power of 40 mW. The laser can be stepwise tuned in single-frequency operation from 1530 to 1560 nm by compressing a fiber Bragg grating that provides selective feedback. Constant output power (fluctuation < 0.8 dB) over the full tuning range is demonstrated. The relative intensity noise spectrum was measured to be <150 dB/Hz for frequencies >2 MHz.
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  • Knape, H, et al. (author)
  • All-fiber polarization switch
  • 2007
  • In: Optics Letters. - 0146-9592 .- 1539-4794. ; 32, s. 614-16
  • Journal article (peer-reviewed)
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  • Lane, J. C. E., et al. (author)
  • Risk of hydroxychloroquine alone and in combination with azithromycin in the treatment of rheumatoid arthritis: a multinational, retrospective study
  • 2020
  • In: Lancet Rheumatology. - : Elsevier BV. - 2665-9913. ; 2:11
  • Journal article (peer-reviewed)abstract
    • Background Hydroxychloroquine, a drug commonly used in the treatment of rheumatoid arthritis, has received much negative publicity for adverse events associated with its authorisation for emergency use to treat patients with COVID-19 pneumonia. We studied the safety of hydroxychloroquine, alone and in combination with azithromycin, to determine the risk associated with its use in routine care in patients with rheumatoid arthritis. Methods In this multinational, retrospective study, new user cohort studies in patients with rheumatoid arthritis aged 18 years or older and initiating hydroxychloroquine were compared with those initiating sulfasalazine and followed up over 30 days, with 16 severe adverse events studied. Self-controlled case series were done to further establish safety in wider populations, and included all users of hydroxychloroquine regardless of rheumatoid arthritis status or indication. Separately, severe adverse events associated with hydroxychloroquine plus azithromycin (compared with hydroxychloroquine plus amoxicillin) were studied. Data comprised 14 sources of claims data or electronic medical records from Germany, Japan, the Netherlands, Spain, the UK, and the USA. Propensity score stratification and calibration using negative control outcomes were used to address confounding. Cox models were fitted to estimate calibrated hazard ratios (HRs) according to drug use. Estimates were pooled where the I-2 value was less than 0.4. Findings The study included 956 374 users of hydroxychloroquine, 310 350 users of sulfasalazine, 323 122 users of hydroxychloroquine plus azithromycin, and 351 956 users of hydroxychloroquine plus amoxicillin. No excess risk of severe adverse events was identified when 30-day hydroxychloroquine and sulfasalazine use were compared. Selfcontrolled case series confirmed these findings. However, long-term use of hydroxychloroquine appeared to be associated with increased cardiovascular mortality (calibrated HR 1.65 [95% CI 1.12-2.44]). Addition of azithromycin appeared to be associated with an increased risk of 30-day cardiovascular mortality (calibrated HR 2.19 [95% CI 1.22-3.95]), chest pain or angina (1.15 [1.05-1.26]), and heart failure (1.22 [1.02-1.45]). Interpretation Hydroxychloroquine treatment appears to have no increased risk in the short term among patients with rheumatoid arthritis, but in the long term it appears to be associated with excess cardiovascular mortality. The addition of azithromycin increases the risk of heart failure and cardiovascular mortality even in the short term. We call for careful consideration of the benefit-risk trade-off when counselling those on hydroxychloroquine treatment. Copyright (c) 2020 The Author(s). Published by Elsevier Ltd.
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  • Malmström, M, et al. (author)
  • All-fiber cavity dumping
  • 2009
  • In: Optics Express. - 1094-4087. ; 17:20, s. 17596-602
  • Journal article (peer-reviewed)
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  • Malmström, Mikael, 1982-, et al. (author)
  • All-fiber polarization-maintaining electrooptic pulse-picker
  • 2015
  • In: Conference on Lasers and Electro-Optics Europe - Technical Digest. - : Institute of Electrical and Electronics Engineers Inc..
  • Conference paper (peer-reviewed)abstract
    • An alignment free all-fiber pulse-picker running at variable repetition-rate for selecting pulses from an 86 MHz mode-locked Yb-fiber laser at 0-0.6 MHz with better than 35 dB extinction ratio is presented. 
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  • Margulis, W (author)
  • Ch. 12: Poling of glasses and optical fibers
  • 2009
  • In: Ch12 in Fiber Bragg Gratings by Kashyap, R. 2nd edition. ISBN 978-0-12-372579-0. Elsevier Publishing Co., Academic Press. California, USA. 2009..
  • Book chapter (other academic/artistic)
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  • Myrén, Niklas, et al. (author)
  • All-fibre electro-optic tuning of fibre laser
  • 2005
  • In: 31st European Conference on Optical Communications (ECOC 2005). - : Institution of Engineering and Technology. ; , s. 43-44
  • Conference paper (peer-reviewed)abstract
    • A fibre laser incorporating a sampled FBG and an electro-optic all-fibre modulator is demonstrated. The poled fibre modulator allowed for 4 nm electro-optic tuning and locking the laser wavelength to a 50-GHz grid.
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  • Myren, N, et al. (author)
  • In-fiber electrode lithography
  • 2004
  • In: Journal of the Optical Society of America B (Optical Physics. ; 21:12, s. 2085-88
  • Journal article (peer-reviewed)
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  • Result 1-50 of 71

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