G02F 1/116
Using an optically anisotropic medium, wherein the incident and the diffracted light
Official title: {using an optically anisotropic medium, wherein the incident and the diffracted light waves have different polarizations, e.g. acousto-optic tunable filter [AOTF] (G02F1/125 takes precedence)}
G02F1/116 (Using an optically anisotropic medium, wherein the incident and the diffracted light) appears on 132 US grants and 94 published applications in this corpus.
Search patents in G02F- Granted patents
- 132
- Published applications
- 94
- Assignees
- 66
- Inventors
- 198
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 7 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 4 |
| 2003 | 1 | 7 |
| 2004 | 11 | 6 |
| 2005 | 5 | 6 |
| 2006 | 8 | 5 |
| 2007 | 6 | 8 |
| 2008 | 7 | 0 |
| 2009 | 2 | 2 |
| 2010 | 0 | 5 |
| 2011 | 4 | 1 |
| 2012 | 1 | 4 |
| 2013 | 2 | 2 |
| 2014 | 5 | 3 |
| 2015 | 1 | 2 |
| 2016 | 2 | 4 |
| 2017 | 2 | 4 |
| 2018 | 5 | 1 |
| 2019 | 3 | 5 |
| 2020 | 3 | 8 |
| 2021 | 3 | 5 |
| 2022 | 2 | 4 |
| 2023 | 6 | 3 |
| 2024 | 4 | 1 |
| 2025 | 4 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-qubit control with acousto-optic modulators15 Sep 2026US 12,737,657 B2IonQ, Inc.
- Method and signal generator for controlling an acousto-optic element11 Nov 2025US 12,468,186 B2Leica Microsystems CMS GmbH
- Analyzing microtextured regions of optically anisotropic materials4 Nov 2025US 12,461,404 B2MRL Materials Resources LLC
- Analyzing microtextured regions of optically anisotropic materials26 Aug 2025US 12,399,391 B2MRL Materials Resources LLC
- Optical testing apparatus3 Jun 2025US 12,321,054 B2Advantest Corporation
- Tunable supercontinuum system14 Aug 2025US 2025/0258419 A1Nkt Photonics A/S
- Electronic Method of Gaming15 May 2025US 2025/0153277 A1Aristocrat Technologies Australia Pty Limited
- Universal dynamic beam shaper14 Nov 2024US 2024/0375222 A1
- Analyzing microtextured regions of optically anisotropic materials14 Dec 2023US 2023/0400720 A1MRL Materials Resources LLC
- Analyzing microtextured regions of optically anisotropic materials29 Jun 2023US 2023/0204989 A1MRL Materials Resources LLC
Most cited
By later US patents
- Electronically tunable optical filtering modules66US 6,982,818 B2Nuonics, Inc. · 2006
- Speckle suppressed laser projection system using a multi-wavelength doppler shifted beam55US 6,445,487 B1Eastman Kodak Company · 2002
- Portable acousto-optical spectrometers41US 7,535,617 B2The United States of America as represented by the Secretary of the Army · 2009
- Grating assisted acousto-optic tunable filter and method29US 5,946,128 AThe United States of America as represented by the Secretary of Commerce · 1999
- Acousto-optic tunable filter28US 4,602,342 AWestinghouse Electric Corp. · 1986