Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7362445 | Active control and detection of two nearly orthogonal polarizations in a fiber for heterodyne interferometry | Raymond Yeung, Eric Johnstone, Kerry Bagwell | 2008-04-22 |
| 7076121 | Polarization controller using spatial filtering | Eric Johnstone | 2006-07-11 |
| 7009709 | Active control of two orthogonal polarizations for heterodyne beam delivery | Kerry Bagwell, Eric Johnstone, Elizabeth Nevis | 2006-03-07 |
| 6961129 | Active control of two orthogonal polarizations for heterodyne interferometry | Eric Johnstone, Elizabeth Nevis | 2005-11-01 |
| 6961130 | Heterodyne beam delivery with active control of two orthogonal polarizations | Kerry Bagwell, Eric Johnstone, Elizabeth Nevis | 2005-11-01 |
| 6181421 | Ellipsometer and polarimeter with zero-order plate compensator | David E. Aspnes | 2001-01-30 |