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Sökning: WFRF:(Walter H.) > RISE

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1.
  • Bich, Walter, et al. (författare)
  • Revision of the 'Guide to the Expression of Uncertainty in Measurement'
  • 2012
  • Ingår i: Metrologia. - : IOP Publishing. - 0026-1394 .- 1681-7575. ; 49:6, s. 702-705
  • Tidskriftsartikel (refereegranskat)abstract
    • The Joint Committee for Guides in Metrology, Working Group 1, JCGM-WG1, is currently revising the 'Guide to the Expression of Uncertainty in Measurement'. In this communication, the motivation for undertaking such a revision is given and the main changes with respect to the current, 2008 edition are outlined.
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2.
  • Claesson, Åsa, et al. (författare)
  • Internal Electrode Fiber Polarization Controller
  • 2003
  • Ingår i: Conf Opt Fiber Commun Tech Dig Ser. ; , s. 39-40
  • Konferensbidrag (refereegranskat)abstract
    • Potentially low-cost polarization controllers were studied with a current-driven internal electrode fibers. The return loss was determined for the device. An EDFA was used as light source, and five devices were constructed and tested. The polarization dependent loss (PDL) of the polarization controllers was measured between 1530 nm and 1570 nm using the Jones-matrix method. The response times for the controllers was found to be relatively slow. The rise time of the optical response was significantly improved by overshooting the current pulse.
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3.
  • Garcia-Ruiz, A., et al. (författare)
  • Hermetic all-fiber phase modulators using Joule heating in carbon-coated fibers
  • 2018
  • Ingår i: Optics InfoBase Conference Papers. - Washington, D.C. : OSA - The Optical Society. - 9781557528209
  • Konferensbidrag (refereegranskat)abstract
    • Certain applications of fiber sensors (e.g. avionics, oil industry) imply extreme operating conditions spurring the development of hermetic all-fiber devices. We present a hermetic all-fiber phase modulator based on Joule heating in a carbon-coated fiber. 
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4.
  • Goesmann, Fred, et al. (författare)
  • The Mars Organic Molecule Analyzer (MOMA) Instrument : Characterization of Organic Material in Martian Sediments
  • 2017
  • Ingår i: Astrobiology. - : Mary Ann Liebert Inc.. - 1531-1074 .- 1557-8070. ; 17:6-7, s. 655-685
  • Tidskriftsartikel (refereegranskat)abstract
    • The Mars Organic Molecule Analyzer (MOMA) instrument onboard the ESA/Roscosmos ExoMars rover (to launch in July, 2020) will analyze volatile and refractory organic compounds in martian surface and subsurface sediments. In this study, we describe the design, current status of development, and analytical capabilities of the instrument. Data acquired on preliminary MOMA flight-like hardware and experimental setups are also presented, illustrating their contribution to the overall science return of the mission..
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5.
  • Torres, Pedro Ignacio, et al. (författare)
  • Electrically controlled Bragg grating in microstructured fiber with internal electrode
  • 2004
  • Ingår i: SPIE Proceedings. - : SPIE. - 0277-786X.
  • Konferensbidrag (refereegranskat)abstract
    • Microstructured fibers with internal electrode provide a new, flexible means for shaping the spectral properties of intracore gratings. In particular, control of the current that is applied to electrode permits modifies the central wavelength and the birefringence of the grating. The fabrication procedures for this type of device and experimental results related to its operation are described.
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