G02B 6/29358
Multiple beam interferometer external to a light guide
Official title: {Multiple beam interferometer external to a light guide, e.g. Fabry-Pérot, etalon, VIPA plate, OTDL plate, continuous interferometer, parallel plate resonator (G02B6/29347, G02B6/29349, G02B6/2935, G02B6/29361 take precedence; resonator evanescently coupled to light guide G02B6/29335)}
G02B6/29358 (Multiple beam interferometer external to a light guide) appears on 600 US grants and 451 published applications in this corpus.
Search patents in G02B- Granted patents
- 600
- Published applications
- 451
- Assignees
- 272
- Inventors
- 954
- Latest grant
- 4 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 11 | 0 |
| 1990 | 7 | 0 |
| 1991 | 10 | 0 |
| 1992 | 3 | 0 |
| 1993 | 9 | 0 |
| 1994 | 10 | 0 |
| 1995 | 6 | 0 |
| 1996 | 7 | 0 |
| 1997 | 7 | 0 |
| 1998 | 9 | 0 |
| 1999 | 16 | 0 |
| 2000 | 14 | 0 |
| 2001 | 34 | 14 |
| 2002 | 46 | 63 |
| 2003 | 59 | 106 |
| 2004 | 83 | 61 |
| 2005 | 49 | 37 |
| 2006 | 35 | 28 |
| 2007 | 37 | 18 |
| 2008 | 18 | 8 |
| 2009 | 13 | 15 |
| 2010 | 10 | 8 |
| 2011 | 10 | 8 |
| 2012 | 3 | 5 |
| 2013 | 9 | 6 |
| 2014 | 3 | 10 |
| 2015 | 9 | 5 |
| 2016 | 6 | 4 |
| 2017 | 3 | 6 |
| 2018 | 7 | 6 |
| 2019 | 9 | 6 |
| 2020 | 4 | 6 |
| 2021 | 8 | 9 |
| 2022 | 9 | 7 |
| 2023 | 6 | 5 |
| 2024 | 6 | 5 |
| 2025 | 4 | 2 |
| 2026 | 1 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
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.
- Systems and methods for wavelength locking in optical sensing systems26 Aug 2025US 12,402,224 B2
- Refractory anchor device and system20 May 2025US 12,305,925 B2Brand Shared Services LLC
- Dispersion managed transceiver, modulator and dispersion compensation method23 Jul 2026US 2026/0213842 A1Linktel Technologies Co., Ltd.
- Optical receiver and optical module with multiple wavelength tunable filters25 Jun 2026US 2026/0177847 A1Phovel. Co. Ltd
- 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
Most cited
By later US patents
- High finesse holographic fabry-perot etalon and method of fabricating197US 5,293,272 APhysical Optics Corporation · 1994
- Chromatic dispersion compensation device172US 6,519,065 B1JDS Fitel Inc. · 2003
- Optical communication systems using raman repeaters and components therefor167US 4,616,898 APolaroid Corporation · 1986
- Bulk optic wavelength division multiplexer166US 5,119,454 APolaroid Corporation · 1992
- Temperature compensated fiber fabry-perot filters156US 5,509,093 AMicron Optics, Inc. · 1996