H01S 3/094
By coherent light
Official title: by coherent light
H01S3/094 (By coherent light) appears on 4,761 US grants and 4,337 published applications in this corpus.
Search patents in H01S- Granted patents
- 4,761
- Published applications
- 4,337
- Assignees
- 1,507
- Inventors
- 7,500
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 3 | 0 |
| 1979 | 8 | 0 |
| 1980 | 4 | 0 |
| 1981 | 6 | 0 |
| 1982 | 7 | 0 |
| 1983 | 7 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 16 | 0 |
| 1988 | 28 | 0 |
| 1989 | 31 | 0 |
| 1990 | 35 | 0 |
| 1991 | 44 | 0 |
| 1992 | 62 | 0 |
| 1993 | 73 | 0 |
| 1994 | 93 | 0 |
| 1995 | 68 | 0 |
| 1996 | 90 | 0 |
| 1997 | 66 | 0 |
| 1998 | 94 | 0 |
| 1999 | 111 | 0 |
| 2000 | 110 | 0 |
| 2001 | 121 | 45 |
| 2002 | 168 | 257 |
| 2003 | 192 | 226 |
| 2004 | 200 | 204 |
| 2005 | 167 | 220 |
| 2006 | 180 | 177 |
| 2007 | 121 | 200 |
| 2008 | 137 | 154 |
| 2009 | 138 | 176 |
| 2010 | 164 | 190 |
| 2011 | 132 | 161 |
| 2012 | 124 | 149 |
| 2013 | 139 | 150 |
| 2014 | 172 | 157 |
| 2015 | 176 | 187 |
| 2016 | 162 | 176 |
| 2017 | 192 | 171 |
| 2018 | 144 | 160 |
| 2019 | 150 | 168 |
| 2020 | 145 | 156 |
| 2021 | 100 | 150 |
| 2022 | 134 | 170 |
| 2023 | 86 | 190 |
| 2024 | 124 | 146 |
| 2025 | 107 | 117 |
| 2026 | 93 | 80 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- H01S 3/0941Of a laser diode2,430
- H01S 3/094003The pumped medium being a fibre1,935
- H01S 3/094049Guiding of the pump light569
- H01S 3/094096Multi-wavelength pumping452
- H01S 3/09408Pump redundancy375
- H01S 3/094076Pulsed or modulated pumping350
- H01S 3/094042Of a fibre laser315
- H01S 3/094038End pumping265
All 20 subgroupsShow fewer
- H01S 3/094084With pump light recycling, i.e. with reinjection of the unused pump light252
- H01S 3/094061Shared pump, i.e. pump light of a single pump source is used189
- H01S 3/094069Multi-mode pumping150
- H01S 3/094092Upconversion pumping91
- H01S 3/094034The pumped medium being a dye89
- H01S 3/094026For synchronously pumping58
- H01S 3/0943Of a gas laser57
- H01S 3/094073Non-polarized pump43
- H01S 3/09403Cross-pumping36
- H01S 3/094065Single-mode pumping17
- H01S 3/0947Of an organic dye laser9
- H01S 3/094088With ase light recycling, i.e. with reinjection of the ase light4
Recent patents
- Hyper temporal lidar using multiple matched filters to determine target retro-reflectivity15 Sep 2026US 12,736,637 B2Aeye, Inc.
- Fiber laser system15 Sep 2026US 12,738,708 B2Cegep Garneau
- Pump modulation for optical amplifier link communication8 Sep 2026US 12,731,953 B2II-Vi Delaware, Inc.
- Intracavity frequency conversion in solid-state laser resonator with end-pumping1 Sep 2026US 12,725,996 B2Coherent LaserSystems GmbH & Co. KG
- Multiple frequency laser system for treating skin conditions25 Aug 2026US 12,719,229 B2Candela Corporation
- Dynamic repetition-rate control of single-cavity dual-comb lasers8 Oct 2026US 2026/0312357 A1The Regents of the University of Colorado, a body corporate
- Hybrid optical amplifier1 Oct 2026US 2026/0302711 A11FINITY Inc.
- Cavity-assisted pump recylcing for hgh-efficiency cladding-pumped doped fiber amplifiers1 Oct 2026US 2026/0302712 A1Nokia Solutions and Networks Oy
- Dual-ended and wavelength-locked optical pumping1 Oct 2026US 2026/0302713 A1Lumentum Operations LLC
- Modulation transfer spectroscopy device1 Oct 2026US 2026/0302715 A1
Most cited
By later US patents
- Evanescent-field optical amplifiers and lasers1,018US 7,170,910 B2National Chiao Tung University · 2007
- Multiple core fiber laser and optical amplifier322US 5,566,196 ASDL, Inc. · 1996
- Single-mode amplifiers and compressors based on multi-mode fibers291US 5,818,630 AImra America, Inc. · 1998
- Optical coupler, a method of its fabrication and use252US 7,532,792 B2Crystal Fibre A/S · 2009
- Ultraviolet laser apparatus and exposure apparatus using same250US 7,023,610 B2Nikon Corporation · 2006