Francis Provencal

Title: Innovations of Francis Provencal in Thermal Radiation Detection

Introduction

Francis Provencal is an accomplished inventor based in California, known for his significant contributions to the field of thermal radiation detection. With a focus on advanced materials and innovative designs, he has developed technologies that enhance the performance of thermal detectors.

Latest Patents

One of Provencal's notable patents is for a thermal radiation detector that utilizes carbon-nanotube-based optical absorbers. This invention includes a substrate, a platform suspended above the substrate, and a support structure that holds the platform. A temperature sensor is placed on the platform, with its electrical parameter varying according to temperature changes. The carbon-nanotube-based optical absorber is in thermal contact with the temperature sensor, designed to absorb electromagnetic radiation and generate heat, thereby altering the temperature of the sensor. The optical absorber may consist of a carbon nanotube film, which can be produced through spray coating. Additionally, the detector features a passivation layer structure over the optical absorber, potentially made from metal compounds like titanium or aluminum oxide. This thermal radiation detector can take various forms, including microbolometer detectors, thermocouple/thermopile detectors, or pyroelectric detectors. Arrays of these detectors and their fabrication methods are also part of his patent.

Career Highlights

Francis Provencal has made significant strides in his career, particularly through his work at the Institut National D'Optique. His innovative approach to thermal radiation detection has positioned him as a key figure in the field, contributing to advancements that have practical applications in various industries.

Collaborations

Throughout his career, Provencal has collaborated with notable colleagues, including Hassane Oulachgar and Francis Genereux. These partnerships have fostered a collaborative environment that encourages the exchange of ideas and the development of cutting-edge technologies.

Conclusion

Francis Provencal's work in thermal radiation detection exemplifies the impact of innovative thinking in technology. His contributions, particularly through his patented inventions, continue to influence the field and pave the way for future advancements.