Patent · US Active

Laser self-mixing measuring device

US8416424B2 · kind B2 · utility

21Cited by

12References

15Claims

0Family size

Assignee

KONINKLIJKE PHILIPS ELECTRONICS NV · NL

Inventors

Klaus Peter Werner · Wijchen, NL
Carsten Heinks · Nordhorn, DE
Marcel F. Schemmann · Maria Hoop, NL

Key dates

Filing date	Jun 30, 2009
Grant date	Apr 9, 2013
Priority date	—
Expiry date	Jun 30, 2029

Classification

Technology area (CPC H)Electricity
CPC primaryH01S5/0028
WIPO fieldMeasurement
WIPO sectorInstruments

Abstract

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.