Alan Johnstone

Title: Alan Johnstone - Innovator in Optical Technology

Introduction

Alan Johnstone is a notable inventor based in Malvern, GB. He has made significant contributions to the field of optical technology, particularly in the development of advanced conversion systems. His work has led to the creation of innovative devices that enhance the capabilities of optical signal processing.

Latest Patents

Johnstone holds a patent for a "High speed optical analog to digital converter and digital optical wavemeter." This invention is designed to convert an input analogue voltage signal into a digital output. The system includes means for frequency modulating an optical signal with the input analogue voltage signal, delay means for splitting the frequency modulated optical signal, and generating differentially delayed signals. Additionally, it features combining means to merge delayed optical signals with reference signals, and converter means to transform the combined signal output into a digital code. The digital optical wavemeter aspect of his patent generates a digital representation of the wavelength of an input optical signal, further showcasing his innovative approach to optical technology.

Career Highlights

Alan Johnstone is currently employed at Qinetiq Limited, where he continues to push the boundaries of optical technology. His work at this esteemed company has allowed him to collaborate with other talented professionals in the field, contributing to advancements in optical systems.

Collaborations

One of his notable coworkers is Meirion F Lewis, with whom he has likely shared insights and expertise in their respective areas of optical technology.

Conclusion

Alan Johnstone's contributions to the field of optical technology, particularly through his patented inventions, highlight his role as an innovator. His work continues to influence advancements in optical signal processing and digital conversion systems.