Optical heterodyne detection in optical cavity ringdown spectroscopy

Details for Australian Patent Application No. 2001272190 (hide)

Owner Macquarie Research Ltd

Inventors HE, Yabai; Orr, Brian John

Agent Spruson & Ferguson

Pub. Number AU-B-2001272190

PCT Pub. Number WO02/04903

Priority PQ9785 30.08.00 AU; PQ8724 12.07.00 AU

Filing date 12 July 2001

Wipo publication date 21 January 2002

Acceptance publication date 6 January 2005

International Classifications

G01J 003/433 Spectrometry

H01S 003/105 Lasers, i.e. devices for generation, amplification, modulation, demodulation, or frequency-changing, using stimulated emission, of infra-red, visible, or ultra-violet waves - by controlling the mutual position or the reflecting properties of the reflectors of the cavity

G01N 021/39 Investigating or analysing materials by the use of optical means, i.e. using infra-red, visible, or ultra-violet light

Event Publications

6 January 2005 Application Accepted

  Published as AU-B-2001272190

5 May 2005 Standard Patent Sealed

5 February 2009 Application Lapsed, Refused Or Withdrawn, Patent Ceased or Expired

  This patent ceased under section 143(a), or Expired. Note that applications or patents shown as lapsed or ceased may be restored at a later date.

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