Company Filing History:
15 out of 80 
1 out of 5 Years Active: 1976-1989
Title: The Innovative Contributions of George Sargent Janes
Introduction
George Sargent Janes, an inventor based in Lincoln, MA, has made significant strides in the field of optical technologies, securing a total of 16 patents throughout his career. His inventive prowess in laser technology and photoionization has contributed to advancements in various scientific applications.
Latest Patents
Among his latest innovations is the "Scanning Beam Laser Pumped Laser," a remarkable device capable of producing pulses of 50 microseconds or more with a repetition rate exceeding 100 Hz and an energy content of over 3 joules per pulse. This invention incorporates optics that focus the output beam onto the front surface of a pumped laser, which may utilize a flowing dye cell. To enhance performance, a rotating mirror, synchronized with the pulse repetition rate, moves the laser spot across the dye in a direction orthogonal to its flow, while a spherical mirror reflects radiant energy back towards the rotating mirror, optimizing the overall output.
Another notable patent is related to the "Use of Autoionization Transition Absorption Peaks in Isotopically Selective Multi-Step Photoionization." This apparatus and process is designed for multi-step photoionization, with the final ionizing step tuned to access a specific transition to an excited state. The method ensures a higher ionization cross-section than standard transitions, making it an economical approach to photoionization.
Career Highlights
Janes has held positions in esteemed companies such as Jersey Nuclear-Avco Isotopes, Inc. and Avco Research Laboratory, Inc., where his innovative work has had a lasting impact on the field of laser technology and isotopic research.
Collaborations
Throughout his career, George has collaborated with noted professionals, including Richard H. Levy and Leonard N. Litzenberger. These partnerships have undoubtedly fostered a collaborative environment that has been conducive to innovation and progress in their shared field of study.
Conclusion
George Sargent Janes exemplifies the spirit of innovation through his extensive contributions to laser technology and photoionization. His work, characterized by groundbreaking patents and collaborations, continues to influence advancements in scientific research and technology today.
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