Company Filing History:
Years Active: 2008-2012
Title: Innovations of Geoffrey Harston
Introduction
Geoffrey Harston is a notable inventor based in Laurel, MD (US). He has made significant contributions to the field of chemical sensing and optical detection, holding a total of four patents. His work focuses on developing advanced systems and methods for detecting trace chemicals, including explosives residue.
Latest Patents
One of Geoffrey Harston's latest patents is titled "Chemical sensing with coherent detection of optical signal." This invention relates to systems and methods for standoff trace chemicals detection, particularly focusing on optical devices that sense gases and residue materials. The technology involves detecting and measuring optical absorption spectra and the relative concentration of chemicals, followed by their identification based on spectral data. The sensing method utilizes photothermal interferometry, enhanced by coherent optical detection, which improves eye safety performance and optimizes signal reception.
Another significant patent is the "Integrated coherent optical detector." This invention provides an integrated device and a method for its fabrication and use. The device consists of two parts, each with an electronic circuit, aligned with an accuracy of at least 1 micron. The alignment system includes a photodiode that indicates the best alignment of the two parts. This integrated device serves as a coherent optical detector for high-speed optical communications and chemical sensing.
Career Highlights
Geoffrey Harston is currently employed at Celight, Inc., where he continues to innovate in the field of optical detection and chemical sensing. His work has contributed to advancements in technology that enhance safety and efficiency in various applications.
Collaborations
Geoffrey has collaborated with notable coworkers, including Pak Shing Cho and Yaakov Achiam, who have contributed to his research and development efforts.
Conclusion
Geoffrey Harston's innovative work in chemical sensing and optical detection has led to significant advancements in the field. His patents reflect a commitment to improving safety and efficiency in detecting trace chemicals.