H01S 3/1303
By using a passive reference
Official title: {by using a passive reference, e.g. absorption cell (H01S3/139 takes precedence)}
H01S3/1303 (By using a passive reference) appears on 127 US grants and 100 published applications in this corpus.
Search patents in H01S- Granted patents
- 127
- Published applications
- 100
- Assignees
- 106
- Inventors
- 309
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 3 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 5 | 0 |
| 2002 | 2 | 8 |
| 2003 | 9 | 6 |
| 2004 | 7 | 3 |
| 2005 | 1 | 2 |
| 2006 | 5 | 5 |
| 2007 | 2 | 0 |
| 2008 | 3 | 0 |
| 2009 | 1 | 1 |
| 2010 | 2 | 0 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 3 | 6 |
| 2014 | 4 | 4 |
| 2015 | 4 | 7 |
| 2016 | 6 | 4 |
| 2017 | 5 | 3 |
| 2018 | 2 | 9 |
| 2019 | 12 | 8 |
| 2020 | 6 | 5 |
| 2021 | 5 | 4 |
| 2022 | 3 | 3 |
| 2023 | 2 | 6 |
| 2024 | 4 | 7 |
| 2025 | 7 | 2 |
| 2026 | 3 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method and apparatus for compensating a reference frequency shift8 Sep 2026US 12,731,954 B2Adtran Networks SE
- Control device, control system, method for operating a control system5 May 2026US 12,620,776 B2Carl Zeiss SMT GmbH
- Systems and methods for reduction of optical signal linewidth10 Feb 2026US 12,548,963 B2Honeywell International Inc.
- System and techniques for diode laser wavelength spectrum narrowing11 Nov 2025US 12,470,039 B2Xemed LLC
- Optical bench for spectroscopy16 Sep 2025US 12,416,525 B2Vector Atomic, Inc.
- Modulation transfer spectroscopy device1 Oct 2026US 2026/0302715 A1
- Method and system to stabilize a frequency sum generated laser13 Aug 2026US 2026/0237955 A1ASML Netherlands B. V.
- Laser system and laser stabilization method21 May 2026US 2026/0142437 A1Korea Advanced Institute of Science and Technology
- Systems for the Transfer of Stability from an Optical to a RF Source18 Dec 2025US 2025/0385735 A1
- System and techniques for diode laser wavelength spectrum narrowing15 May 2025US 2025/0158347 A1Xemed LLC
Most cited
By later US patents
- Programmable frequency reference for laser frequency stabilization, and arbitrary optical clock generator, using persistent spectral hole burning123US 6,516,014 B1The Research and Development Institute, Inc. · 2003
- Wavelength reference for excimer laser112US 5,978,391 ACymer, Inc. · 1999
- Method and apparatus for calibrating a laser wavelength control mechanism83US 5,450,207 ACymer Laser Technologies · 1995
- Excimer lasers69US 4,823,354 ALumonics Inc. · 1989
- Optical frequency analyzer using a local oscillator heterodyne detection of incident light65US 4,856,899 AYokogawa Electric Corporation · 1989