<p>A laser self-mixing measuring device is provided, comprising a laser with a laser cavity and a surface arranged along the optical path of the laser beam which redirects incident laser light back into the laser cavity. The surface comprises a periodic structure which diffracts the laser light into partial beams.</p>
申请公布号
EP2294357(B1)
申请公布日期
2012.01.18
申请号
EP20090786489
申请日期
2009.06.30
申请人
KONINKLIJKE PHILIPS ELECTRONICS N.V.
发明人
WERNER, KLAUS, P.;HEINKS, CARSTEN;SCHEMMANN, MARCEL, F. C.