Patents by Inventor Woo Cheon PARK

Woo Cheon PARK has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20210109173
    Abstract: The atomic magnetometer includes a light source device configured to output a linearly polarized irradiation light and a circularly polarized pump light, a first vapor cell including an alkali metal atom, receiving the linearly polarized irradiation light, and outputting a first transmitted light, a second vapor cell including an alkali metal atom, receiving the linearly polarized irradiation light, and outputting a second transmitted light, a magnetic field application device configured to apply a bias magnetic field in opposite directions to the first vapor cell and the second vapor cell, and a measuring device configured to obtain the magnetic field signal based on a differentiation of a first polarization rotation signal corresponding to a polarization state of the first transmitted light and a second polarization rotation signal corresponding to a polarization state of the second transmitted light.
    Type: Application
    Filed: October 15, 2020
    Publication date: April 15, 2021
    Applicant: Electronics and Telecommunications Research Institute
    Inventors: Hyunjoon LEE, In Kui CHO, Jang Yeol KIM, Jaewoo LEE, Ho Jin LEE, Sang-Won KIM, Seong-Min KIM, Jung Ick MOON, Woo Cheon PARK, Je Hoon YUN, Dong Won JANG