H01S 3/2333
Double-pass amplifiers
Official title: {Double-pass amplifiers}
H01S3/2333 (Double-pass amplifiers) appears on 338 US grants and 280 published applications in this corpus.
Search patents in H01S- Granted patents
- 338
- Published applications
- 280
- Assignees
- 178
- Inventors
- 668
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 7 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 3 | 0 |
| 1995 | 4 | 0 |
| 1996 | 10 | 0 |
| 1997 | 7 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 4 | 0 |
| 2002 | 13 | 17 |
| 2003 | 11 | 12 |
| 2004 | 14 | 23 |
| 2005 | 10 | 17 |
| 2006 | 23 | 22 |
| 2007 | 20 | 8 |
| 2008 | 7 | 15 |
| 2009 | 14 | 15 |
| 2010 | 11 | 8 |
| 2011 | 7 | 10 |
| 2012 | 10 | 14 |
| 2013 | 12 | 13 |
| 2014 | 10 | 14 |
| 2015 | 12 | 8 |
| 2016 | 17 | 10 |
| 2017 | 8 | 5 |
| 2018 | 7 | 11 |
| 2019 | 8 | 7 |
| 2020 | 5 | 9 |
| 2021 | 6 | 10 |
| 2022 | 6 | 6 |
| 2023 | 4 | 6 |
| 2024 | 6 | 9 |
| 2025 | 7 | 9 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Device for amplifying a laser beam29 Sep 2026US 12,749,862 B2Thales
- Passive high energy Q-switched laser system with optically synchronized multi-stage/multi-pass amplification9 Jun 2026US 12,651,883 B2Candela Corporation
- Laser device and pulse width-changing method3 Mar 2026US 12,567,711 B2Inter-University Research Institute Corporation National Institutes of Natural Sciences
- Prolonged life laser chamber electrode and laser having same2 Dec 2025US 12,489,266 B2Cymer, Inc.
- Seed laser system for radiation source14 Oct 2025US 12,444,901 B2ASML Netherlands B. V.
- Laser maintenance apparatus and method16 Jul 2026US 2026/0203376 A1Cymer, Inc.
- Laser system, method for creating at least one shaped and amplified laser beam using a laser system, and optical system9 Jul 2026US 2026/0196799 A1Deutsches Zentrum für Luft- und Raumfahrt e. V.
- Laser system and electronic device manufacturing method20 Nov 2025US 2025/0357721 A1Gigaphoton Inc.
- An optical system23 Oct 2025US 2025/0329980 A1Leonardo UK Ltd
- Optical system with an acousto-optic modulator arranged in a double-pass configuration23 Oct 2025US 2025/0329982 A1Lumentum Operations LLC
Most cited
By later US patents
- Apparatus and method for the generation of high-power femtosecond pulses from a fiber amplifier193US 6,014,249 AImra America, Inc. · 2000
- Laser obstacle ranging and display192US 7,847,235 B2Elbit Systems Electro-Optics Elop Ltd. · 2010
- Apparatus and method for the generation of high-power femtosecond pulses from a fiber amplifier173US 5,880,877 AImra America, Inc. · 1999
- Very narrow band, two chamber, high rep rate gas discharge laser system144US 6,567,450 B2Cymer, Inc. · 2003
- Very narrow band, two chamber, high rep rate gas discharge laser system136US 6,625,191 B2Cymer, Inc. · 2003