Laser cooling of silica glass
US-2022371946-A1 · Nov 24, 2022 · US
silica or silicate glass
silica or silicate glass · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S3/176 |
| Official title | {silica or silicate glass} |
| Display label | silica or silicate glass |
| Total patents | 78 |
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 | 4 |
| 2016 | 4 |
| 2017 | 6 |
| 2018 | 2 |
| 2019 | 10 |
| 2020 | 15 |
| 2021 | 10 |
| 2022 | 9 |
| 2023 | 4 |
| 2024 | 10 |
| 2025 | 3 |
| 2026 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
High efficiency 1.3μm emission in praseodymium doped conventional glass and fiber
US-11502474-B2 · Nov 15, 2022 · US
Rare earth-doped multicomponent fluorosilicate optical fiber for optical devices
US-11476634-B2 · Oct 18, 2022 · US
Fiber amplifier
US-2022329035-A1 · Oct 13, 2022 · US
Optical amplification apparatus and signal amplification method of optical amplification apparatus
US-2022320815-A1 · Oct 6, 2022 · US
Laser element, compound, method for producing compound and lasing sensitizer
US-2022294190-A1 · Sep 15, 2022 · US
Optical fiber laser device
US-11424589-B2 · Aug 23, 2022 · US
Optical amplifier and multi-core optical fiber
US-11322904-B2 · May 3, 2022 · US
Active element-added optical fiber, resonator, and fiber laser device
US-2022094131-A1 · Mar 24, 2022 · US
Nanoparticle doping for lasers and amplifiers operating at eye-safer wavelengths, and/or exhibiting reduced stimulated brillouin scattering
US-2021313756-A1 · Oct 7, 2021 · US
Optical tube waveguide lasing medium and related method
US-11114812-B2 · Sep 7, 2021 · US
Amplification fiber and laser beam emitting apparatus
US-2021265800-A1 · Aug 26, 2021 · US
Amplification optical fiber, fiber laser device, and optical resonator
US-11095086-B2 · Aug 17, 2021 · US
Photodarkening-resistant ytterbium-doped quartz optical fiber and preparation method therefor
US-2021230051-A1 · Jul 29, 2021 · US
Three-Level System Fiber Lasers Incorporating an All-Solid Photonic Bandgap Fiber
US-2021210921-A1 · Jul 8, 2021 · US
Nanoparticle doping for lasers and amplifiers operating at eye-safer wavelengths, and/or exhibiting reduced Stimulated Brillouin Scattering
US-11043785-B2 · Jun 22, 2021 · US
High power cladding pumped single mode fiber raman laser
US-2021159662-A1 · May 27, 2021 · US
Optical element and associated manufacturing method
US-2021088716-A1 · Mar 25, 2021 · US
Cladding glass for solid-state lasers
US-2021028605-A1 · Jan 28, 2021 · US
Systems and methods for reduction of optical signal line width
US-10855372-B1 · Dec 1, 2020 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S3/176?
- CPC H01S3/176 is the Cooperative Patent Classification code for “silica or silicate glass.”
- How many patents are filed under CPC H01S3/176 (silica or silicate glass)?
- Our database includes 78 publications tagged with this CPC code.
- Is patent activity under CPC H01S3/176 growing?
- Publication counts under this code: 10 in 2024 vs 3 in 2025 (latest complete years).