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.
Patent No.:
Date of Patent:
Jul. 19, 2022
Filed:
Dec. 07, 2018
Freedom Photonics Llc, Goleta, CA (US);
Gordon Barbour Morrison, Summerland, CA (US);
Freedom Photonics LLC, Goleta, CA (US);
Abstract
Devices configured to determine wavelength of light, monitoring wavelength or provide a reference wavelength are disclosed. The devices can comprise a plurality of etalons. The plurality of peaks in the transmission or reflection spectrum of different etalons of the plurality of etalons can be phase shifted with respect to each other in wavelength space. The plurality of etalons can comprise materials with different group index of refraction or materials with different thermal responses. Phase shift of the plurality of peaks in the transmission or reflection spectrum of different etalons in wavelength space can be accomplished by changing the relative temperature between the different etalons.