Location History:
- La Chaux-de-Fonds, CH (1983 - 1990)
- Chaux-de-Fonds, CH (1992)
Company Filing History:
Years Active: 1983-1992
Title: Leland Johnson: Innovator in Microwave Technology
Introduction
Leland Johnson is a notable inventor based in La Chaux-de-Fonds, Switzerland. He has made significant contributions to the field of microwave technology, holding a total of 3 patents. His work focuses on advancements that enhance the functionality and efficiency of microwave interaction modules and frequency standards.
Latest Patents
One of Johnson's latest patents is the "Microwave Interaction Module, Notably for an Atomic or Molecular Beam." This invention features a magnetic shield that creates a constant magnetic field, known as the 'C field.' It also includes an electromagnetic cavity designed to generate a radiofrequency magnetic field in the path of atomic or molecular particle beams. The cavity consists of a U-shaped wave-guide with apertures for particle passage and a second wave-guide connected electromagnetically to the first. The entire setup is contained within the magnetic shield, with a coaxial cable transmitting the radiofrequency signal.
Another significant patent is the "Passive Frequency Standard." This invention comprises a cell containing Rb87 and a source of predetermined spectral components. Through optical pumping, it populates specific energy levels in the Rb87 atoms. The system includes a helicoidal resonator tuned to the transition frequency between energy levels, receiving excitation signals from an oscillator. The oscillator's frequency is synchronized with the transition frequency using a photoelectric cell.
Career Highlights
Leland Johnson is currently employed at Oscilloquartz S.A., where he continues to innovate in the field of microwave technology. His work has been instrumental in developing advanced systems that leverage microwave interactions for various applications.
Collaborations
Johnson collaborates with esteemed colleagues such as Giovanni Busca and Pierre Thomann, contributing to a dynamic research environment that fosters innovation and technological advancement.
Conclusion
Leland Johnson's contributions to microwave technology and his innovative patents reflect his expertise and dedication to advancing the field. His work continues to influence the development of new technologies that harness the power of microwaves for practical applications.