Pulsed light beam spectral feature control
US-2016380402-A1 · Dec 29, 2016 · US
Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping
Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/11 |
| Official title | Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping |
| Display label | Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping |
| Total patents | 344 |
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 | 35 |
| 2016 | 25 |
| 2017 | 35 |
| 2018 | 42 |
| 2019 | 45 |
| 2020 | 42 |
| 2021 | 39 |
| 2022 | 47 |
| 2023 | 23 |
| 2024 | 7 |
| 2025 | 4 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Laser resonator gain medium securement
US-9531148-B2 · Dec 27, 2016 · US
Photoacoustic image generation apparatus and acoustic wave unit
US-9486144-B2 · Nov 8, 2016 · US
Saturable absorbers for q-switching of middle infrared laser cavities
US-2016294151-A1 · Oct 6, 2016 · US
Optical transmission apparatus and transmission method therefor
US-2016274306-A1 · Sep 22, 2016 · US
Laser ignition system
US-2016268767-A1 · Sep 15, 2016 · US
Methods of operating a laser system chiller
US-2016254636-A1 · Sep 1, 2016 · US
High power ultra-short laser device
US-9431785-B2 · Aug 30, 2016 · US
Multi-stage ramp-up annealing for frequency-conversion crystals
US-9413134-B2 · Aug 9, 2016 · US
Pump energy wavelength stabilization
US-9407058-B2 · Aug 2, 2016 · US
Multi-band laser architecture
US-9407059-B2 · Aug 2, 2016 · US
Laser source unit, control method thereof, photoacoustic image generation apparatus and photoacoustic image generation method
US-9392944-B2 · Jul 19, 2016 · US
Optical Power Limiting Method Using Stimulated Brillouin Scattering in Fiber Optic Waveguides
US-2016195412-A1 · Jul 7, 2016 · US
Photoacoustic image generation apparatus and acoustic wave unit
US-9380944-B2 · Jul 5, 2016 · US
Laser system chiller
US-9362705-B2 · Jun 7, 2016 · US
Programmable laser device and method for controlling the same
US-9350136-B2 · May 24, 2016 · US
Passively Q-switched element and passively Q-switched laser device
US-9337609-B2 · May 10, 2016 · US
Pulse laser generator and optical fiber sensor system using same
US-9312656-B2 · Apr 12, 2016 · US
Optical pulse source with increased peak power
US-2016099541-A1 · Apr 7, 2016 · US
Tunable system for generating an optical pulse based on a double-pass semiconductor optical amplifier
US-9276375-B2 · Mar 1, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/11?
- CPC H01S3/11 is the Cooperative Patent Classification code for “Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping.”
- How many patents are filed under CPC H01S3/11 (Mode locking; Q-switching; Other giant-pulse techniques, e.g. cavity dumping)?
- Our database includes 344 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/11 growing?
- Publication counts under this code: 7 in 2024 vs 4 in 2025 (latest complete years).