Henri Gagnaire

Title: Innovations of Henri Gagnaire in Optical Detection

Introduction

Henri Gagnaire is a notable inventor based in Saint-Chamond, France. He has made significant contributions to the field of optical devices, particularly in the detection of gaseous hydrogen at cryogenic temperatures. His innovative work has implications for various scientific and industrial applications.

Latest Patents

Gagnaire holds a patent for an "Optical device for detecting traces of gaseous hydrogen in situ in an environment at cryogenic temperatures." This device utilizes a sensor with a fine film of palladium, whose optical properties change based on the concentration of hydrogen. The system includes a palladium micromirror, a light source, and detection means to analyze the light signal after it interacts with the micromirror. The device also features processor circuits that respond to variations in light intensity to determine hydrogen concentration, along with localized heating mechanisms to maintain the palladium in its α phase.

Career Highlights

Henri Gagnaire is associated with the Société Nationale d'Étude et de Construction de Moteurs d'Aviation, where he has applied his expertise in optical technologies. His work has been instrumental in advancing the capabilities of detection systems in challenging environments.

Collaborations

Gagnaire has collaborated with notable colleagues such as Xavier Bevenot and Michel Clement. Their combined efforts have contributed to the development of innovative technologies in the field.

Conclusion

Henri Gagnaire's contributions to optical detection technology highlight his role as a significant inventor in the field. His patented innovations pave the way for advancements in the detection of gaseous hydrogen, showcasing the importance of his work in scientific research and industrial applications.