About 14 results
https://drivepatents.com/patents/1380754 · 9 Apr 2026
A technique is provided for reducing angle random walk (ARW) noise in a resonant optical gyroscope (ROG) using a pair of optical frequency combs. The ARW noise is reduced by propagating each optical frequency comb through a dispersive optical component. As...
https://drivepatents.com/patents/973827 · 11 Jun 2014
Systems and methods for measuring rotation using an optical frequency comb stimulated Brillouin scattering gyroscope are provided. In certain embodiments, a system comprises a light source that produces a multiple-frequency light beam based on an optical f...
https://drivepatents.com/patents/978015 · 26 Feb 2014
One embodiment is directed towards a stabilized laser (100) including a laser (312,902,1002) to produce light at a frequency and a resonator (106) coupled to the laser such that the light from the laser circulates therethrough. The laser also includes Poun...
https://drivepatents.com/patents/978226 · 19 Feb 2014
A low-noise resonator fiber-optic gyroscope is provided. The low-noise resonator fiber-optic gyroscope includes at least one laser to output a reference optical beam, a first-optical-beam frequency controller to modulate the first optical beam at a first-m...
https://drivepatents.com/patents/990971 · 8 May 2013
An exemplary resonator fiber optic gyroscope comprises a resonator having an optical fiber loop; a light source configured to generate a light beam; and an intensity modulation circuit coupled between the light source and the resonator. The intensity modul...
https://drivepatents.com/patents/994598 · 2 Jan 2013
Systems and methods for improved resonator fiber optic gyroscope intensity modulation control are provided. In one embodiment, a resonant fiber optic gyroscope (RFOG) having a residual intensity modulation (RIM) controller comprises: a 5 n intensity modula...
https://drivepatents.com/patents/995367 · 5 Dec 2012
A hollow-core optical-fiber filter is provided. The hollow-core optical-fiber filter includes a hollow-core optical fiber having a first end-face and an opposing second end-face. The first end-face and the second end-face set a fiber length. The hollow-cor...
https://drivepatents.com/patents/995368 · 5 Dec 2012
An optical-fiber filter is provided. The optical-fiber filter includes an optical fiber having a first end-face and an opposing second end-face. The first end-face and the second end-face set a fiber length. The first end-face and the second end-face are c...
https://drivepatents.com/patents/998804 · 5 Sep 2012
The gyro (50) includes a ring resonator (25) having a hollow core optical fiber coil (24) and optical elements that are selected and/or oriented to reduce stray light that may be present in input light beams introduced to the ring resonator (58). The reson...
https://drivepatents.com/patents/1004805 · 29 Feb 2012
A resonator fiber optic gyroscope (RFOG) is disclosed that reduces rotation rate error instability. In one embodiment, the RFOG comprises a resonator optical ring cavity, a first light source in optical communication with the ring cavity and configured to ...