H01S 2301/203
With at least one hole in the intensity distribution
Official title: with at least one hole in the intensity distribution, e.g. annular or doughnut mode
H01S2301/203 (With at least one hole in the intensity distribution) appears on 48 US grants and 55 published applications in this corpus.
Search patents in H01S- Granted patents
- 48
- Published applications
- 55
- Assignees
- 52
- Inventors
- 170
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 2 | 1 |
| 2006 | 0 | 1 |
| 2007 | 1 | 2 |
| 2008 | 1 | 0 |
| 2009 | 0 | 0 |
| 2010 | 2 | 3 |
| 2011 | 1 | 2 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 1 |
| 2015 | 2 | 3 |
| 2016 | 2 | 3 |
| 2017 | 1 | 3 |
| 2018 | 5 | 5 |
| 2019 | 2 | 1 |
| 2020 | 4 | 4 |
| 2021 | 0 | 6 |
| 2022 | 2 | 1 |
| 2023 | 1 | 6 |
| 2024 | 4 | 0 |
| 2025 | 1 | 3 |
| 2026 | 3 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Single mode beam25 Aug 2026US 12,719,228 B2nLIGHT, Inc.
- Beam intensity profile tailoring with a composite, tapered optical fibre11 Aug 2026US 12,706,431 B2The University of Sydney
- Optical oscillator, method for designing optical oscillator, and laser device24 Feb 2026US 12,562,546 B2Inter-University Research Institute Corporation National Institutes of Natural Sciences
- Active optical vortex fiber23 Sep 2025US 12,422,614 B2Ampliconyx Oy
- Methods and apparatus for laser mode transformation3 Sep 2024US 12,080,987 B2Imperial College Innovations Limited
- Ring aperture vertical-cavity surface-emitting laser (vcsel) devices for mode control30 Jul 2026US 2026/0221726 A1II-Vi Delaware, Inc.
- Fiber beam shaper14 May 2026US 2026/0133368 A1Ipg Photonics Corporation
- Topological Laser and Method of Forming the Same9 Oct 2025US 2025/0316959 A1Nanyang Technological University
- Nano bessel laser beam emitter and method for manufacturing the same10 Jul 2025US 2025/0226641 A1Southern University of Science and Technology
- Method and apparatus for controllably adjusting beam parameters8 May 2025US 2025/0149849 A1Ipg Photonics Corporation
Most cited
By later US patents
- Light-emitting semiconductor device462US 5,696,389 AKabushiki Kaisha Toshiba · 1997
- Laser with an improved mode control53US 5,940,422 AHoneywell Inc. · 1999
- Vertical cavity surface emitting laser with phase shift mask23US 5,917,848 AMotorola, Inc. · 1999
- Solid laser device16US 5,125,001 AMitsubishi Denki Kabushiki Kaisha · 1992
- Photonic devices based on conical refraction14US 8,542,712 B2University of Dundee · 2013