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@ARTICLE{deFaria:837146,
      author       = {de Faria, Julia and Bundke, Ulrich and Berg, Marcel and
                      Freedman, Andrew and Onasch, Timothy B. and Petzold,
                      Andreas},
      title        = {{A}irborne and {L}aboratory {S}tudies of an {IAGOS}
                      {I}nstrumentation {P}ackage {C}ontaining a {M}odified {CAPS}
                      {P}article {E}xtinction {M}onitor},
      journal      = {Aerosol science and technology},
      volume       = {51},
      number       = {11},
      issn         = {1521-7388},
      address      = {Philadelphia, Pa},
      publisher    = {Taylor $\&$ Francis},
      reportid     = {FZJ-2017-06135},
      pages        = {1240 – 1253},
      year         = {2017},
      abstract     = {An evaluation of the operation and performance of a Cavity
                      Attenuated Phase-Shift Particle Extinction Monitor (CAPS
                      PMex) was performed for use on board commercial aircraft as
                      part of the research infrastructure IAGOS (In-service
                      Aircraft for a Global Observing System, www.iagos.org).
                      After extensive laboratory testing, a new flow system, using
                      mass flow controllers, was installed to maintain constant
                      purge and sample flows under low and varying pressure
                      conditions. The instrument was then tested for pressures as
                      low as 200 hPa and evaluated against particle-free
                      compressed air and CO2. Extinction coefficients for the
                      studied gases were in close agreement with literature values
                      with differences between 2.2 and $8\%,$ proving that the
                      CAPS technology works at low pressures. The instrument's
                      limit of detection, with respect to 3 times the variability
                      of the background signal for the full pressure range, was
                      0.2 Mm−1 for 60 s integration time. During its first
                      research aircraft operations, the IAGOS instrument
                      prototype, composed of one CAPS PMex and one OPC, showed
                      excellent results regarding the stability of the instruments
                      and the potential for characterizing different aerosol types
                      and for estimating the contribution of sub- and super-μm
                      sized particles to aerosol light extinction.},
      cin          = {IEK-8},
      ddc          = {530},
      cid          = {I:(DE-Juel1)IEK-8-20101013},
      pnm          = {243 - Tropospheric trace substances and their
                      transformation processes (POF3-243) / HITEC - Helmholtz
                      Interdisciplinary Doctoral Training in Energy and Climate
                      Research (HITEC) (HITEC-20170406)},
      pid          = {G:(DE-HGF)POF3-243 / G:(DE-Juel1)HITEC-20170406},
      typ          = {PUB:(DE-HGF)16},
      UT           = {WOS:000416689700002},
      doi          = {10.1080/02786826.2017.1355547},
      url          = {https://juser.fz-juelich.de/record/837146},
}