Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12270706 | Cavity enhanced absorption spectroscopy using a piecewise tunable laser and hierarchical wavelength determination | John A. Hoffnagle, Chris W. Rella, Sze Meng Tan | 2025-04-08 |
| 11499868 | Low noise cavity enhanced absorption spectroscopy apparatus and method | Serguei Koulikov | 2022-11-15 |
| 11092493 | Cavity enhanced absorption spectroscopy using a piecewise tunable laser and hierarchical wavelength determination | John A. Hoffnagle, Chris W. Rella, Sze Meng Tan | 2021-08-17 |
| 9116042 | Cavity ring down spectroscopy using measured backward mode data | Yonggang He, Sze Meng Tan | 2015-08-25 |
| 7528364 | Optical beam steering and sampling apparatus and method | Evan Green | 2009-05-05 |
| 7218652 | External cavity laser method and apparatus with orthogonal tuning of laser wavelength and cavity optical path length | William B. Chapman, Andrew Daiber, Hua Li | 2007-05-15 |
| 6901088 | External cavity laser apparatus with orthogonal tuning of laser wavelength and cavity optical pathlength | Hua Li, William B. Chapman, Andrew Daiber | 2005-05-31 |
| 6788726 | External cavity laser with high spectral purity output | Guangzhi Z. Zhang, Carter Hand, Murray Reed | 2004-09-07 |
| 6704332 | Tunable external cavity laser | William B. Chapman, Carter Hand, Hua Li, Andrew Daiber, Nadim Maluf | 2004-03-09 |
| 6493365 | Passive thermal stabilization of the optical path length in a tunable laser | I-Fan Wu, Alexander V. Tuganov, Kenneth C. Reiter, Timothy Day | 2002-12-10 |
| 6434173 | Open loop wavelength control system for a tunable laser | Alexander V. Tuganov | 2002-08-13 |