• DocumentCode
    2696024
  • Title

    Low-power consumption integrated laser Doppler blood flowmeter with a built-in silicon microlens

  • Author

    Kimura, Yoshinori ; Onoe, Atsushi ; Higurashi, Eiji ; Sawada, Renshi

  • Author_Institution
    Corp. R&D Labs., Pioneer Corp., Tsurugashima
  • fYear
    2008
  • fDate
    11-14 Aug. 2008
  • Firstpage
    13
  • Lastpage
    14
  • Abstract
    We propose a new structure for the integrated laser Doppler blood flowmeter which consists of a Si cavity and a photodiode and a laser diode within the cavity. A silicon cover formed with a converging microlens also functions as the package. This structure has a reduced rate of optical power loss in the sensor, resulting in significantly low power consumption.
  • Keywords
    blood flow measurement; flowmeters; microlenses; microsensors; Si cavity; laser Doppler blood flowmeter; laser diode; optical power loss; photodiode; silicon microlens; Blood; Diode lasers; Energy consumption; Lenses; Microoptics; Optical losses; Optical sensors; Packaging; Photodiodes; Silicon; AR coating; blood flowmeter; laser Doppler; microlens;
  • fLanguage
    English
  • Publisher
    ieee
  • Conference_Titel
    Optical MEMs and Nanophotonics, 2008 IEEE/LEOS Internationall Conference on
  • Conference_Location
    Freiburg
  • Print_ISBN
    978-1-4244-1917-3
  • Electronic_ISBN
    978-1-4244-1918-0
  • Type

    conf

  • DOI
    10.1109/OMEMS.2008.4607804
  • Filename
    4607804