Line narrowed laser apparatus
US-2018323568-A1 · Nov 8, 2018 · US
by a filter, e.g. a Fabry-Perot filter is used for wavelength setting
by a filter, e.g. a Fabry-Perot filter is used for wavelength setting · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/08027 |
| Official title | {by a filter, e.g. a Fabry-Perot filter is used for wavelength setting} |
| Display label | by a filter, e.g. a Fabry-Perot filter is used for wavelength setting |
| Total patents | 166 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly declining.
| Year | Patents |
|---|---|
| 2015 | 19 |
| 2016 | 19 |
| 2017 | 16 |
| 2018 | 18 |
| 2019 | 23 |
| 2020 | 18 |
| 2021 | 13 |
| 2022 | 11 |
| 2023 | 11 |
| 2024 | 10 |
| 2025 | 5 |
| 2026 | 3 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Single pulse laser apparatus
US-2018309260-A1 · Oct 25, 2018 · US
Optical frequency measurement and control using dual optical-frequency combs
US-10067031-B2 · Sep 4, 2018 · US
Wavelength locker using multiple feedback curves to wavelength lock a beam
US-10050405-B2 · Aug 14, 2018 · US
Theta Laser
US-2018102625-A1 · Apr 12, 2018 · US
Environmentally robust and compact mode-locked laser
US-9865982-B1 · Jan 9, 2018 · US
Passively mode-locked fiber ring generator
US-2017365972-A1 · Dec 21, 2017 · US
System and method for generating wavelength-tunable, ultra-short light pulses having high power spectral density
US-2017352999-A1 · Dec 7, 2017 · US
Tunable reflectors based on multi-cavity interference
US-9829630-B2 · Nov 28, 2017 · US
Single pulse laser apparatus
US-2017324212-A1 · Nov 9, 2017 · US
Wavelength locker using multiple feedback curves to wavelength lock a beam
US-2017302051-A1 · Oct 19, 2017 · US
Single pulse laser apparatus
US-9793677-B1 · Oct 17, 2017 · US
Temperature insensitive external cavity lasers on silicon
US-9787052-B2 · Oct 10, 2017 · US
Tunable narrow-linewidth single-frequency linear-polarization laser device
US-9787050-B2 · Oct 10, 2017 · US
Laser and method of controlling laser
US-2017179671-A1 · Jun 22, 2017 · US
Frequency quadrupled laser using thulium-doped fiber amplifier and method
US-9684077-B2 · Jun 20, 2017 · US
Light source device and information acquisition apparatus
US-2017170620-A1 · Jun 15, 2017 · US
Laser device
US-2017155229-A1 · Jun 1, 2017 · US
Tunable SOI laser
US-9660411-B2 · May 23, 2017 · US
System and method for high-power, pulsed ring fiber oscillator
US-9653872-B2 · May 16, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/08027?
- CPC H01S3/08027 is the Cooperative Patent Classification code for “by a filter, e.g. a Fabry-Perot filter is used for wavelength setting.”
- How many patents are filed under CPC H01S3/08027 (by a filter, e.g. a Fabry-Perot filter is used for wavelength setting)?
- Our database includes 166 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/08027 growing?
- Publication counts under this code: 10 in 2024 vs 5 in 2025 (latest complete years).