H01S 3/13
Stabilisation of laser output parameters
Official title: Stabilisation of laser output parameters, e.g. frequency or amplitude
H01S3/13 (Stabilisation of laser output parameters) appears on 2,931 US grants and 2,500 published applications in this corpus.
Search patents in H01S- Granted patents
- 2,931
- Published applications
- 2,500
- Assignees
- 990
- Inventors
- 5,016
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 7 | 0 |
| 1980 | 7 | 0 |
| 1981 | 6 | 0 |
| 1982 | 11 | 0 |
| 1983 | 8 | 0 |
| 1984 | 5 | 0 |
| 1985 | 11 | 0 |
| 1986 | 12 | 0 |
| 1987 | 24 | 0 |
| 1988 | 21 | 0 |
| 1989 | 27 | 0 |
| 1990 | 42 | 0 |
| 1991 | 27 | 0 |
| 1992 | 31 | 0 |
| 1993 | 46 | 0 |
| 1994 | 26 | 0 |
| 1995 | 32 | 0 |
| 1996 | 28 | 0 |
| 1997 | 38 | 0 |
| 1998 | 40 | 0 |
| 1999 | 64 | 0 |
| 2000 | 66 | 0 |
| 2001 | 81 | 25 |
| 2002 | 99 | 142 |
| 2003 | 121 | 105 |
| 2004 | 109 | 101 |
| 2005 | 71 | 105 |
| 2006 | 93 | 89 |
| 2007 | 63 | 77 |
| 2008 | 70 | 75 |
| 2009 | 68 | 72 |
| 2010 | 74 | 74 |
| 2011 | 59 | 76 |
| 2012 | 62 | 63 |
| 2013 | 72 | 98 |
| 2014 | 101 | 79 |
| 2015 | 110 | 113 |
| 2016 | 102 | 110 |
| 2017 | 121 | 101 |
| 2018 | 83 | 131 |
| 2019 | 118 | 109 |
| 2020 | 106 | 126 |
| 2021 | 83 | 134 |
| 2022 | 111 | 120 |
| 2023 | 90 | 100 |
| 2024 | 100 | 122 |
| 2025 | 103 | 84 |
| 2026 | 61 | 69 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01S 3/1305Feedback control systems1,052
- H01S 3/131By controlling the active medium809
- H01S 3/1301In optical amplifiers744
- H01S 3/139By controlling the mutual position or the reflecting properties of the reflectors520
- H01S 3/136By controlling devices placed within the cavity369
- H01S 3/1307Stabilisation of the phase349
- H01S 3/1306Stabilisation of the amplitude155
- H01S 3/1303By using a passive reference127
All 10 subgroupsShow fewer
Recent patents
- Pump modulation for optical amplifier link communication8 Sep 2026US 12,731,953 B2II-Vi Delaware, Inc.
- Method and apparatus for compensating a reference frequency shift8 Sep 2026US 12,731,954 B2Adtran Networks SE
- Intracavity frequency conversion in solid-state laser resonator with end-pumping1 Sep 2026US 12,725,996 B2Coherent LaserSystems GmbH & Co. KG
- Optical circuit for compensating optical lead fluctuations in an RFOG25 Aug 2026US 12,716,723 B2Honeywell International Inc.
- Optical signal amplification18 Aug 2026US 12,712,330 B21FINITY Inc.
- Systems and methods for calibrating laser pulses1 Oct 2026US 2026/0302710 A1Boston Scientific Scimed, Inc.
- Optical Waveguide Color Center Creation System1 Oct 2026US 2026/0302714 A1The Boeing Company
- Modulation transfer spectroscopy device1 Oct 2026US 2026/0302715 A1
- Laser system with active wavelength control1 Oct 2026US 2026/0302716 A1Lightmatter, Inc.
- Optical element, wavelength detection unit, and light generation unit17 Sep 2026US 2026/0276453 A1Hamamatsu Photonics K.K.
Most cited
By later US patents
- Laser driver and control circuit455US 4,950,268 AXintec Inc. · 1990
- Optical amplifier with high energy levels systems providing high peak powers244US 5,867,305 ASDL, Inc. · 1999
- System for, and method of, regulating the wavelength of a light beam231US 5,025,445 ACymer Laser Technologies · 1991
- Mode locking methods and apparatus228US 7,414,779 B2Massachusetts Institute of Technology · 2008
- Wavelength monitoring and control assembly for WDM optical transmission systems212US 5,825,792 ANorthern Telecom Limited · 1998