OPTICAL DISTRIBUTED SENSOR WITH BRAGG GRATING SENSING STRUCTURE

Details for Australian Patent Application No. 2002307646 (hide)

Owner OPTOPLAN AS

Inventors LOVSETH, Sigurd, Weidemann; KRINGLEBOTN, Jon, Thomas

Pub. Number AU-A-2002307646

PCT Number PCT/NO02/00180

PCT Pub. Number WO2002/095329

Priority 2001.2593 25.05.01 NO

Filing date 22 May 2002

Wipo publication date 3 December 2002

International Classifications

G01B 011/16 Measuring arrangements characterised by the use of optical means - for measuring the deformation in a solid, e.g. optical strain gauge

H01S 003/067 Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves

G01D 005/353 Mechanical means for transferring the output of a sensing member

G01L 001/24 Measuring force or stress, in general - by measuring variations of optical properties of material when it is stressed, e.g. by photoelastic stress analysis

Event Publications

19 December 2002 Complete Application Filed

  Priority application(s): 2001.2593 25.05.01 NO

8 May 2003 Application Open to Public Inspection

  Published as AU-A-2002307646

11 March 2004 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This application lapsed under section 142(2)(f)/See Reg. 8.3(3). Examination has not yet been requested or directed for this application. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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