Issued Patents All Time
Showing 26–50 of 115 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10094664 | Apparatus and method for diminishing bias error in resonant fiber optic gyroscopes | Lee K. Strandjord, Tiequn Qiu | 2018-10-09 |
| 9772189 | Systems and methods for resonance switching resonator fiber optic gyroscopes (RFOGs) with feed-forward processing | Lee K. Strandjord, Waymon Ho | 2017-09-26 |
| 9587945 | Symmetric three-laser resonator fiber optic gyroscope | Lee K. Strandjord, Tiequn Qiu | 2017-03-07 |
| 9537283 | Laser with transmission and reflection mode feedback control | Lee K. Strandjord, Tiequn Qiu | 2017-01-03 |
| 9459101 | Systems and methods for fiber optic gyroscopes utilizing reference ring resonators | Lee K. Strandjord, Tiequn Qiu | 2016-10-04 |
| 9441969 | Resonant fiber optic gyroscopes with multi-core transport fiber | Tiequn Qiu, Lee K. Strandjord | 2016-09-13 |
| 9395184 | Resonant fiber optic gyroscope with polarizing crystal waveguide coupler | Tiequn Qiu, Lee K. Strandjord | 2016-07-19 |
| 9389081 | Three-laser resonator fiber optic gyroscope with enhanced frequency reference cavity | Lee K. Strandjord, Tiequn Qiu | 2016-07-12 |
| 9354063 | Systems and methods for providing intensity stabilization for a resonator fiber optic gyroscope | Lee K. Strandjord, Jianfeng Wu, Tiequn Qiu | 2016-05-31 |
| 9354064 | Resonator fiber optic gyroscope employing common cavity length modulation along with high bandwidth laser stabilization | Lee K. Strandjord, Jianfeng Wu | 2016-05-31 |
| 9252559 | Narrow bandwidth reflectors for reducing stimulated Brillouin scattering in optical cavities | Chellappan Narayanan, Lee K. Strandjord, Jianfeng Wu | 2016-02-02 |
| 9207082 | Fiber resonator gyroscope with low round trip loss and high output power | Tiequn Qiu, Lee K. Strandjord | 2015-12-08 |
| 9197032 | Systems and methods for stabilized stimulated brillouin scattering lasers with ultra-low phase noise | Tiequn Qiu, Jianfeng Wu | 2015-11-24 |
| 9170108 | Controlled modulation of light beam with highly stable suppression of carrier or sidebands | Tiequn Qiu, Jianfeng Wu, Lee K. Strandjord | 2015-10-27 |
| 9097526 | Systems and methods for a polarization matched resonator fiber optic gyroscope | Lee K. Strandjord, Tiequn Qiu, Jianfeng Wu | 2015-08-04 |
| 9001336 | Methods and apparatus of tracking/locking resonator free spectral range and its application in resonator fiber optic gyroscope | Tiequn Qiu, Jianfeng Wu, Lee K. Strandjord | 2015-04-07 |
| 8947671 | Method and system for detecting optical ring resonator resonance frequencies and free spectral range to reduce the number of lasers in a resonator fiber optic gyroscope | Lee K. Strandjord, Mary K. Salit, Tiequn Qiu | 2015-02-03 |
| 8923352 | Laser with transmission and reflection mode feedback control | Lee K. Strandjord, Tiequn Qiu | 2014-12-30 |
| 8908187 | System and method for reducing errors in a resonator fiber optic gyroscope | Lee K. Strandjord, Tiequn Qiu | 2014-12-09 |
| 8873063 | Low noise resonator fiber optic gyro | Lee K. Strandjord, Jianfeng Wu, Tiequn Qiu | 2014-10-28 |
| 8830479 | RFOG with optical heterodyning for optical signal discrimination | Tiequn Qiu, Lee K. Strandjord, Mary K. Salit | 2014-09-09 |
| 8830478 | Optical frequency comb stimulated Brillouin scattering gyroscope | Jianfeng Wu, Tiequn Qiu, Lee K. Strandjord | 2014-09-09 |
| 8736845 | Frequency stabilized laser system | Jianfeng Wu, Jennifer S. Strabley, Tiequn Qiu | 2014-05-27 |
| 8699034 | Systems and methods for resonator fiber optic gyroscope intensity modulation control | Lee K. Strandjord, Norman Gerard Tarleton | 2014-04-15 |
| 8659760 | Resonator fiber optic gyroscope utilizing laser frequency combs | Lee K. Strandjord, Tiequn Qiu | 2014-02-25 |