H01S 5/14
External cavity lasers
Official title: External cavity lasers (H01S5/18 takes precedence; mode locking H01S5/065)
H01S5/14 (External cavity lasers) appears on 2,580 US grants and 2,655 published applications in this corpus.
Search patents in H01S- Granted patents
- 2,580
- Published applications
- 2,655
- Assignees
- 889
- Inventors
- 4,281
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 8 | 0 |
| 1985 | 5 | 0 |
| 1986 | 11 | 0 |
| 1987 | 11 | 0 |
| 1988 | 19 | 0 |
| 1989 | 32 | 0 |
| 1990 | 22 | 0 |
| 1991 | 27 | 0 |
| 1992 | 16 | 0 |
| 1993 | 18 | 0 |
| 1994 | 24 | 0 |
| 1995 | 27 | 0 |
| 1996 | 27 | 0 |
| 1997 | 32 | 0 |
| 1998 | 39 | 0 |
| 1999 | 34 | 0 |
| 2000 | 44 | 0 |
| 2001 | 55 | 23 |
| 2002 | 69 | 103 |
| 2003 | 93 | 117 |
| 2004 | 98 | 115 |
| 2005 | 94 | 124 |
| 2006 | 73 | 123 |
| 2007 | 75 | 99 |
| 2008 | 64 | 100 |
| 2009 | 85 | 102 |
| 2010 | 90 | 88 |
| 2011 | 71 | 89 |
| 2012 | 49 | 78 |
| 2013 | 73 | 87 |
| 2014 | 83 | 92 |
| 2015 | 117 | 135 |
| 2016 | 109 | 111 |
| 2017 | 108 | 105 |
| 2018 | 94 | 103 |
| 2019 | 131 | 131 |
| 2020 | 96 | 109 |
| 2021 | 77 | 134 |
| 2022 | 76 | 110 |
| 2023 | 90 | 107 |
| 2024 | 72 | 105 |
| 2025 | 82 | 104 |
| 2026 | 52 | 61 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Bandwidth enhancement of quantum dot/well hybrid III-V/silicon micro-ring lasers6 Oct 2026US 12,756,158 B2Hewlett Packard Enterprise Development LP
- Slow axis, or slow axis and fast axis, wavelength beam combining for laser minibars6 Oct 2026US 12,756,161 B2Lumentum Operations LLC
- Laser diode system with low numerical aperture clad light stripping22 Sep 2026US 12,744,361 B2nLIGHT, Inc.
- Multiple electrode distributed feedback laser array1 Sep 2026US 12,726,002 B2Cspeed Inc.
- Electrically tunable optical resonator on a chip for fast tunable integrated lasers25 Aug 2026US 12,717,177 B2Ecole Polytechnique Federale De Lausanne (Epfl)
- Multi-wavelength tunable laser8 Oct 2026US 2026/0312366 A1Lumentum Operations LLC
- Optical nonreciprocal device and optical circuit1 Oct 2026US 2026/0302717 A1Nichia Corporation
- Light source device24 Sep 2026US 2026/0291181 A1Hamamatsu Photonics K.K.
- Light source device17 Sep 2026US 2026/0280231 A1Hamamatsu Photonics K.K.
- Laser source having a plurality of spectral lines separated by a determined spectral interval3 Sep 2026US 2026/0261091 A1Scintil Photonics
Most cited
By later US patents
- Method and apparatus for optical imaging with means for controlling the longitudinal range of the sample1,199US 5,321,501 AMassachusetts Institute of Technology · 1994
- Methods and apparatus for forward-directed optical scanning instruments1,184US 6,485,413 B1The General Hospital Corporation · 2002
- Method and apparatus for performing optical measurements using a fiber optic imaging guidewire, catheter or endoscope1,079US 6,134,003 AMassachusetts Institute of Technology · 2000
- Method and apparatus for performing optical measurements1,018US 5,459,570 AMassachusetts Institute of Technology · 1995
- Fiber optic needle probes for optical coherence tomography imaging722US 6,564,087 B1Massachusetts Institute of Technology · 2003