Issued Patents 2002
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6496622 | Diffractive structure for high-dispersion WDM applications | Robert Frankel, Evgeny Popov | 2002-12-17 |
| 6487019 | Optical diffraction grating structure with reduced polarization sensitivity | — | 2002-11-26 |