Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7460574 | Cr3+-doped laser materials and lasers and methods of making and using | Robert R. Alfano, Alexey Bykov, Mikhail Sharonov | 2008-12-02 |
| 7440480 | Tetravalent chromium doped laser materials and NIR tunable lasers | Robert R. Alfano, Alexey Bykov | 2008-10-21 |
| 7359415 | Cr4+-doped mixed alloy laser materials and lasers and methods using the materials | Robert R. Alfano, Alexey Bykov | 2008-04-15 |
| 6944399 | Methods of signal substitution for maintenance of amplifier saturation | Zhengchen Yu, William Shieh, Thomas Clark | 2005-09-13 |
| 6907195 | Terminals having sub-band substitute signal control in optical communication systems | Zhengchen Yu, William Shieh, Thomas Clark | 2005-06-14 |
| 6894831 | Pump assembly employing coupled radiation sources for multiple fibers | William Shieh, Thomas Clark | 2005-05-17 |
| 6687047 | Shared forward pumping in optical communications network | Thomas Clark, William Shieh | 2004-02-03 |
| 6671429 | Balanced coupler for radiation sources | William Shieh, Thomas Clark | 2003-12-30 |
| 6618195 | Pump assembly employing coupled radiation sources for multiple fibers | William Shieh, Thomas Clark | 2003-09-09 |
| 5717517 | Method for amplifying laser signals and an amplifier for use in said method | Robert R. Alfano, Ping-Pei Ho | 1998-02-10 |
| 4987575 | Tetravalent chromium (Cr.sub.4+) as a laser-active ion for tunabale solid-state lasers | Robert R. Alfano | 1991-01-22 |
| 4932031 | Chromium-doped foresterite laser system | Robert R. Alfano, Swapan K. Gayen | 1990-06-05 |