Low Size and Weight, High Power Fiber Laser Pump
US-2017358900-A1 · Dec 14, 2017 · US
Characterized by cooling of elements other than the laser chip, e.g. an optical element being part of an external cavity or a collimating lens
Characterized by cooling of elements other than the laser chip, e.g. an optical element being part of an external cavity or a collimating lens · Cooperative Patent Classification (CPC)
Electric circuits, power, telecommunications, and semiconductors.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | H01S5/02438 |
| Official title | {Characterized by cooling of elements other than the laser chip, e.g. an optical element being part of an external cavity or a collimating lens} |
| Display label | Characterized by cooling of elements other than the laser chip, e.g. an optical element being part of an external cavity or a collimating lens |
| Total patents | 302 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is declining.
| Year | Patents |
|---|---|
| 2015 | 22 |
| 2016 | 23 |
| 2017 | 19 |
| 2018 | 31 |
| 2019 | 34 |
| 2020 | 41 |
| 2021 | 37 |
| 2022 | 22 |
| 2023 | 28 |
| 2024 | 21 |
| 2025 | 19 |
| 2026 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Optical module installing a semiconductor optical amplifier
US-9825427-B2 · Nov 21, 2017 · US
Optical transmitter providing coplanar line on carrier
US-2017310078-A1 · Oct 26, 2017 · US
Optical module installing a semiconductor optical amplifier
US-2017194762-A1 · Jul 6, 2017 · US
External Cavity Tunable Laser And Cavity Mode Locking Method Thereof
US-2017187163-A1 · Jun 29, 2017 · US
Method and apparatus for controlling external cavity laser
US-2017163009-A1 · Jun 8, 2017 · US
Optical fiber module
US-2017153400-A1 · Jun 1, 2017 · US
Optical transmitter, wavelength alignment method, and passive optical network system
US-9628192-B2 · Apr 18, 2017 · US
Method for switching output wavelength of tunable wavelength laser, method for switching wavelength of tunable wavelength laser, and tunable wavelength laser device
US-9614349-B2 · Apr 4, 2017 · US
Packaging structure and method of packaging tunable laser device, and tunable laser device
US-9608402-B2 · Mar 28, 2017 · US
High brightness dense wavelength multiplexing laser
US-9596034-B2 · Mar 14, 2017 · US
Integrated light source using a laser diode
US-2017051884-A1 · Feb 23, 2017 · US
Thermal management systems
US-2017054265-A1 · Feb 23, 2017 · US
Semiconductor laser device
US-2017033537-A1 · Feb 2, 2017 · US
Small form factor transmitting device
US-9548817-B1 · Jan 17, 2017 · US
Scanning unit, laser scanning microscope, and temperature adjustment method
US-2016349493-A1 · Dec 1, 2016 · US
Optically pumped solid state laser device with self-aligning pump optics
US-9478941-B2 · Oct 25, 2016 · US
Heat-swap device and method
US-9466943-B2 · Oct 11, 2016 · US
Optical element module
US-9466942-B2 · Oct 11, 2016 · US
Light-emitting device
US-9461433-B2 · Oct 4, 2016 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC H01S5/02438?
- CPC H01S5/02438 is the Cooperative Patent Classification code for “Characterized by cooling of elements other than the laser chip, e.g. an optical element being part of an external cavity or a collimating lens.”
- How many patents are filed under CPC H01S5/02438 (Characterized by cooling of elements other than the laser chip, e.g. an optical element being part of an external cavity or a collimating lens)?
- Our database includes 302 publications tagged with this CPC code.
- Is patent activity under CPC H01S5/02438 growing?
- Publication counts under this code: 21 in 2024 vs 19 in 2025 (latest complete years).