Interferometric photonic sensor
US-2025110379-A1 · Apr 3, 2025 · US
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Michelson type
Michelson type · Cooperative Patent Classification (CPC)
Computing, optics, measurement, and control technologies.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | G02F1/215 |
| Official title | {Michelson type} |
| Display label | Michelson type |
| Total patents | 20 |
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 | 1 |
| 2016 | 2 |
| 2017 | 1 |
| 2018 | 2 |
| 2019 | 5 |
| 2020 | 5 |
| 2021 | 1 |
| 2023 | 2 |
| 2025 | 1 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Frequency shifter for heterodyne interferometry measurements and device for heterodyne interferometry measurements having such a frequency shifter
US-2023046152-A1 · Feb 16, 2023 · US
Optical device for heterodyne interferometry
US-2023019946-A1 · Jan 19, 2023 · US
Control of dual phase tuners
US-11061260-B2 · Jul 13, 2021 · US
Fourier-transform interferometer using meta surface
US-10877349-B2 · Dec 29, 2020 · US
Control of dual phase tuners
US-2020209654-A1 · Jul 2, 2020 · US
Fourier-transform interferometer using meta surface
US-10627695-B2 · Apr 21, 2020 · US
Apparatus having spatial light modulator and converting unit converting input value to control value to control spatial light modulator
US-10621936-B2 · Apr 14, 2020 · US
Fourier-transform interferometer using meta surface
US-2020110323-A1 · Apr 9, 2020 · US
All optical fast fourier transform on chip with heating tunability design, simulation, fabrication, and performance analysis
US-10481463-B2 · Nov 19, 2019 · US
Fourier-transform interferometer using meta surface
US-2019155124-A1 · May 23, 2019 · US
Apparatus having spatial light modulator and converting unit converting input value to control value to control spatial light modulator
US-2019147816-A1 · May 16, 2019 · US
All optical fast fourier transform on chip with heating tunability design, simulation, fabrication, and performance analysis
US-2019072833-A1 · Mar 7, 2019 · US
Apparatus having spatial light modulator and converting unit converting input value to control value to control spatial light modulator
US-10192502-B2 · Jan 29, 2019 · US
Polarization-based dual channel wavelength locker
US-9972964-B2 · May 15, 2018 · US
Optical interferometer device tolerant to inaccuracy in doping overlay
US-9927677-B2 · Mar 27, 2018 · US
Polarization-based dual channel wavelength locker
US-2017302052-A1 · Oct 19, 2017 · US
Optical Phase Shifter
US-2016334648-A1 · Nov 17, 2016 · US
Apparatus having spatial light modulator and converting unit converting input value to control value to control spatial light modulator
US-2016063940-A1 · Mar 3, 2016 · US
Optical gate switch
US-9002146-B2 · Apr 7, 2015 · US