Energy augmentation structures, energy emitters or energy collectors containing the same, and their use in solar cells and other energy conversion devices
US-2024115878-A1 · Apr 11, 2024 · US
Third or higher harmonic generation
Third or higher harmonic generation · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/354 |
| Official title | {Third or higher harmonic generation} |
| Display label | Third or higher harmonic generation |
| Total patents | 228 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 14 |
| 2016 | 20 |
| 2017 | 36 |
| 2018 | 26 |
| 2019 | 27 |
| 2020 | 13 |
| 2021 | 10 |
| 2022 | 29 |
| 2023 | 13 |
| 2024 | 22 |
| 2025 | 13 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Enhanced photoluminescence
US-2017371228-A1 · Dec 28, 2017 · US
Photon energy conversion by near-zero permittivity nonlinear materials
US-9846348-B2 · Dec 19, 2017 · US
Solid-state laser system and laser apparatus used for exposure apparatus
US-2017338619-A1 · Nov 23, 2017 · US
183NM Laser And Inspection System
US-2017323716-A1 · Nov 9, 2017 · US
Method and Apparatus for Generating Illuminating Radiation
US-2017322497-A1 · Nov 9, 2017 · US
Optical response measuring device and optical response measuring method
US-2017307515-A1 · Oct 26, 2017 · US
Solid-state laser system
US-2017279241-A1 · Sep 28, 2017 · US
Multi-mode cavities for high-efficiency nonlinear wavelength conversion formed with overlap optimization
US-2017248831-A1 · Aug 31, 2017 · US
Cascaded optical harmonic generation
US-2017219912-A1 · Aug 3, 2017 · US
Generation of VUV, EUV, and X-ray Light Using VUV-UV-VIS Lasers
US-2017222393-A1 · Aug 3, 2017 · US
Enhanced photoluminescence from plasmonic apparatus with two resonant cavity wavelengths
US-9715159-B1 · Jul 25, 2017 · US
Homogeneous Laser Light Source Having Temporally Variable Seed Source for Area Processing Applications
US-2017184942-A1 · Jun 29, 2017 · US
Enhanced photoluminescence
US-9667034-B1 · May 30, 2017 · US
Femtosecond ultraviolet laser
US-9660412-B2 · May 23, 2017 · US
Apparatus and method for generation of high harmonics from silicon
US-2017123291-A1 · May 4, 2017 · US
Laser illumination systems and methods for dual-excitation wavelength non-linear optical microscopy and micro-spectroscopy systems
US-9634454-B1 · Apr 25, 2017 · US
High-order harmonic wave generation apparatus capable of selecting wavelength
US-9620927-B2 · Apr 11, 2017 · US
193 nm laser and an inspection system using a 193 nm laser
US-9608399-B2 · Mar 28, 2017 · US
Supercontinuum Generation Apparatus and Method
US-2017082909-A1 · Mar 23, 2017 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC G02F1/354?
- CPC G02F1/354 is the Cooperative Patent Classification code for “Third or higher harmonic generation.”
- How many patents are filed under CPC G02F1/354 (Third or higher harmonic generation)?
- Our database includes 228 publications tagged with this CPC code.
- Is patent activity under CPC G02F1/354 growing?
- Publication counts under this code: 22 in 2024 vs 13 in 2025 (latest complete years).