Issued Patents 2004
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6724533 | Lamellar grating structure with polarization-independent diffraction efficiency | Robert Frankel, Evgeny Popov | 2004-04-20 |
| 6697411 | Modulatable multi-wavelength semiconductor external cavity laser | Robert Frankel | 2004-02-24 |
| 6693925 | Modulatable multi-wavelength fiber laser source | Robert Frankel | 2004-02-17 |