H01S 5/0615
Q-switching, i.e. in which the quality factor of the optical resonator is
Official title: {Q-switching, i.e. in which the quality factor of the optical resonator is rapidly changed}
H01S5/0615 (Q-switching, i.e. in which the quality factor of the optical resonator is) appears on 32 US grants and 35 published applications in this corpus.
Search patents in H01S- Granted patents
- 32
- Published applications
- 35
- Assignees
- 29
- Inventors
- 87
- Latest grant
- 7 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 3 |
| 2014 | 3 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 2 |
| 2018 | 1 | 0 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 0 | 3 |
| 2022 | 2 | 5 |
| 2023 | 4 | 1 |
| 2024 | 1 | 5 |
| 2025 | 1 | 3 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Passive Q-switched lasers and methods for operation and manufacture thereof7 Jul 2026US 12,676,453 B2pTriEye Ltd.
- Three terminal broad area laser2 Jun 2026US 12,644,969 B2Waymo LLC
- Q-switched semiconductor light-emitting element and distance measuring device24 Feb 2026US 12,560,685 B2Sony Group Corporation
- Fully integrated chip platform for electrically pumped frequency comb generation23 Dec 2025US 12,504,668 B2The Trustees of Columbia University in the City of New York
- Passive Q-switched lasers and methods for operation and manufacture thereof17 Sep 2024US 12,095,226 B2TriEye Ltd.
- Q-switched semiconductor light-emitting element and distance measuring device13 Aug 2026US 2026/0235727 A1Linfinel LLC
- Light emitting device, ranging device, and movable body2 Apr 2026US 2026/0095027 A1Canon Kabushiki Kaisha
- Optical device and distance measuring device29 Jan 2026US 2026/0029514 A1Sony Group Corporation
- Light emitting device and ranging device20 Nov 2025US 2025/0357727 A1Canon Kabushiki Kaisha
- Surface emitting laser, laser device, detection device, and mobile object20 Mar 2025US 2025/0096531 A1
Most cited
By later US patents
- Passively mode locked laser having a saturable absorber22US 4,435,809 ABell Telephone Laboratories, Incorporated · 1984
- Mode-locked semiconductor laser with tunable external cavity22US 4,446,557 AHughes Aircraft Company · 1984
- Multiple wavelength laser system21US 8,724,671 B2Southwest Research Institute · 2014
- Q-switched semiconductor laser18US 6,215,805 B1Heinrich-Hertz-Institut fuer Nachrichtentechnik Berlin GmbH. · 2001
- Array and method of operating a modulated solid state laser array with reduced thermal crosstalk9US 5,151,915 AXerox Corporation · 1992