The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Apr. 17, 2018

Filed:

May. 03, 2013
Applicant:

Isis Innovation Limited, Oxford Oxfordshire, GB;

Inventors:

Jason Michael Smith, Oxford, GB;

Claire Vallance, Oxford, GB;

Assignee:

ISIS INNOVATION LIMITED, Oxford, Oxfordshire, GB;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G01N 21/00 (2006.01); G01N 21/31 (2006.01); G01N 21/03 (2006.01); G01N 21/64 (2006.01); G01N 21/65 (2006.01); G01N 21/41 (2006.01);
U.S. Cl.
CPC ...
G01N 21/31 (2013.01); G01N 21/031 (2013.01); G01N 21/64 (2013.01); G01N 21/65 (2013.01); G01N 21/4133 (2013.01); G01N 2021/0346 (2013.01); G01N 2021/651 (2013.01); G01N 2201/06113 (2013.01);
Abstract

A sensor comprises a pair of mirrors () opposed along an optical axis and shaped to provide an optical cavity with stable resonance in at least one mode and having a cavity length of at most 50 μm. An actuator system is arranged to move the mirrors relative to each other along the length of the optical cavity for tuning the wavelength of the mode of said cavity. A chemical sample is introduced inside the optical cavity using a sample introduction system (). An EM radiation source () illuminates the cavity and a detector () detects the EM radiation emitted from, transmitted through, or reflected from the optical cavity.


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