H01S 5/143
Littman-metcalf configuration
Official title: {Littman-Metcalf configuration, e.g. laser - grating - mirror}
H01S5/143 (Littman-metcalf configuration) appears on 258 US grants and 302 published applications in this corpus.
Search patents in H01S- Granted patents
- 258
- Published applications
- 302
- Assignees
- 128
- Inventors
- 529
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 2 | 0 |
| 1997 | 3 | 0 |
| 1998 | 2 | 0 |
| 1999 | 4 | 0 |
| 2000 | 8 | 0 |
| 2001 | 5 | 8 |
| 2002 | 7 | 18 |
| 2003 | 16 | 14 |
| 2004 | 16 | 14 |
| 2005 | 18 | 18 |
| 2006 | 4 | 25 |
| 2007 | 15 | 4 |
| 2008 | 5 | 9 |
| 2009 | 8 | 6 |
| 2010 | 8 | 1 |
| 2011 | 1 | 6 |
| 2012 | 3 | 3 |
| 2013 | 1 | 9 |
| 2014 | 5 | 9 |
| 2015 | 10 | 13 |
| 2016 | 8 | 9 |
| 2017 | 16 | 9 |
| 2018 | 8 | 19 |
| 2019 | 16 | 16 |
| 2020 | 11 | 13 |
| 2021 | 16 | 24 |
| 2022 | 8 | 16 |
| 2023 | 13 | 19 |
| 2024 | 11 | 9 |
| 2025 | 2 | 6 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- A device and method for resonant pumping of optical gain medium in a manner orthogonal to a laser mode27 Aug 2026US 2026/0254185 A1Ramot at Tel-Aviv University Ltd.
- Ultra-wide tunable laser source with multi-band gain media integration27 Aug 2026US 2026/0254202 A1GouMax Technology, Inc.
- Self-optimizing beam combining apparatus and method for semiconductor laser beam quality14 May 2026US 2026/0135352 A1Changchun Institute of Optics, Fine Mechanics and Physics, Chinese Academy of Sciences
Most cited
By later US patents
- Method and apparatus for performing optical frequency domain reflectometry488US 6,160,826 AMassachusetts Institute of Technology · 2000
- Method and apparatus for performing optical measurements using a rapidly frequency-tuned laser478US 5,956,355 AMassachusetts Institute of Technology · 1999
- Tuning system for external cavity diode laser181US 5,319,668 ANew Focus, Inc. · 1994
- Beam combining of diode laser array elements for high brightness and power137US 6,192,062 B1Massachusetts Institute of Technology · 2001
- External cavity, multiple wavelength laser transmitter84US 5,379,310 AThe Board of Trustees of the University of Illinois · 1995