G02B 6/29359
Cavity formed by light guide ends
Official title: {Cavity formed by light guide ends, e.g. fibre Fabry Pérot [FFP]}
G02B6/29359 (Cavity formed by light guide ends) appears on 111 US grants and 72 published applications in this corpus.
Search patents in G02B- Granted patents
- 111
- Published applications
- 72
- Assignees
- 67
- Inventors
- 184
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 6 | 0 |
| 1994 | 4 | 0 |
| 1995 | 3 | 0 |
| 1996 | 3 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 0 |
| 2002 | 5 | 4 |
| 2003 | 3 | 4 |
| 2004 | 3 | 7 |
| 2005 | 3 | 3 |
| 2006 | 4 | 6 |
| 2007 | 7 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 2 |
| 2010 | 0 | 1 |
| 2011 | 2 | 1 |
| 2012 | 1 | 3 |
| 2013 | 4 | 3 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 1 |
| 2017 | 2 | 2 |
| 2018 | 5 | 2 |
| 2019 | 2 | 2 |
| 2020 | 0 | 4 |
| 2021 | 4 | 7 |
| 2022 | 7 | 6 |
| 2023 | 4 | 4 |
| 2024 | 4 | 3 |
| 2025 | 3 | 2 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Optical assembly with an optical element to suppress a parasitic etalon response4 Aug 2026US 12,699,227 B2Lumentum Technology UK Limited
- Spectral compression system and methods of using same23 Sep 2025US 12,422,621 B2Purdue Research Foundation
- Tunable optical filter device16 Sep 2025US 12,416,762 B2Shenzhen Hypernano Optics Technology Co., Ltd.
- Refractory anchor device and system20 May 2025US 12,305,925 B2Brand Shared Services LLC
- Combined frequency and mode filter10 Dec 2024US 12,164,129 B2Lumentum Technology UK Limited
- Fabry-perot cavity fabrication using shadow masking5 Mar 2026US 2026/0063847 A1Government of the United States as Represented by the Secretary of the Air Force
- Fabrication of a mirror for an optical cavity23 Jan 2025US 2025/0026093 A1QLIBRI GmbH
- Spectral compression system and methods of using same9 Jan 2025US 2025/0012977 A1Purdue Research Foundation
- Optical coupling element, arrangement, and transceiver21 Nov 2024US 2024/0385393 A1Innolume GmbH
- Optical assembly with an optical element to suppress a parasitic etalon response22 Aug 2024US 2024/0280756 A1Lumentum Technology UK Limited
Most cited
By later US patents
- Temperature compensated fiber fabry-perot filters156US 5,509,093 AMicron Optics, Inc. · 1996
- Fabry-Perot optical sensing device for measuring a physical parameter134US 5,392,117 AInstitut National D'Optique · 1995
- Fabry-perot optical sensing device for measuring a physical parameter128US 5,202,939 AHer Majesty the Queen in right of Canada, as represented by the Minister des Transports · 1993
- Method for producing reflective taps in optical fibers and applications thereof59US 4,923,273 AThe Texas A&M University System · 1990
- Simultaneous measurement of temperature and strain using optical sensors55US 6,056,436 AUniversity of Maryland · 2000