Location History:
- Sunnyvale, US (1991)
- Sunnyvale, CA (US) (1989 - 1995)
Company Filing History:
Years Active: 1989-1995
Title: Bertram C Johnson: Innovator in Non-Linear Frequency Conversion
Introduction
Bertram C Johnson is a notable inventor based in Sunnyvale, California. He has made significant contributions to the field of optical technology, holding a total of 10 patents. His work primarily focuses on non-linear frequency conversion devices, which have applications in various optical systems.
Latest Patents
One of Johnson's latest patents is for a Multiple Crystal Non-Linear Frequency Conversion Apparatus. This innovative device is tunable over a wide range and utilizes two frequency conversion crystals to convert an input beam of a specific frequency into selected frequencies within a tuning range. The first crystal is designed to provide frequency conversion for a particular input wavelength, while the second crystal serves as a beam displacement compensator. This technology can be applied in second harmonic generation, sum frequency mixing, difference frequency mixing, or optical parametric generation. Another significant patent is for an Optical Parametric Oscillator (OPO) with an unstable resonator. This high-powered system produces a collimated, low divergence output beam and employs an unstable resonator to enhance performance. The optical parametric gain medium used in this system can include materials such as beta-barium borate and lithium tri-borate.
Career Highlights
Throughout his career, Johnson has worked with prominent companies in the optical industry, including Spectra-Physics GmbH and Spectra Physics Lasers, Inc. His experience in these organizations has allowed him to develop and refine his innovative technologies.
Collaborations
Johnson has collaborated with notable colleagues, including Richard L Herbst and John C DiFonzo. These partnerships have contributed to the advancement of his research and the successful development of his patents.
Conclusion
Bertram C Johnson is a distinguished inventor whose work in non-linear frequency conversion has made a significant impact in the field of optical technology. His innovative patents and collaborations highlight his contributions to advancing optical systems.
Inventor’s Patent Attorneys refers to legal professionals with specialized expertise in representing inventors throughout the patent process. These attorneys assist inventors in navigating the complexities of patent law, including filing patent applications, conducting patent searches, and protecting intellectual property rights. They play a crucial role in helping inventors secure patents for their innovative creations.