R Michael Madden

Title: R Michael Madden: Innovator in Photodetection Technology

Introduction

R Michael Madden is a notable inventor based in Newbury Park, CA (US). He has made significant contributions to the field of photodetection technology, particularly with his innovative designs that enhance the performance of photomultiplier tubes.

Latest Patents

Madden holds a patent for an Avalanche Photomultiplier Tube. This invention features a small, rugged design achieved by closely spacing a large area avalanche photodetector with respect to a photocathode within an opaque casing that includes a window for incident light. The design ensures that the photocathode and the avalanche photodetector have comparable areas and are closely spaced. The avalanche photodetector incorporates a PN junction positioned near the surface to maximize electron response while minimizing direct light response. This innovation eliminates the need for an electrostatic lens, which is typically required to focus electrons onto the small target characteristic of prior art photomultiplier tubes.

Career Highlights

Madden is associated with Advanced Photonix, Inc., where he continues to develop cutting-edge technologies in photodetection. His work has been instrumental in advancing the capabilities of photomultiplier tubes, making them more efficient and reliable for various applications.

Collaborations

Madden has collaborated with notable colleagues such as Jan S Iwanczyk and Thomas T Lewis, contributing to the advancement of photodetection technologies through teamwork and shared expertise.

Conclusion

R Michael Madden's contributions to the field of photodetection, particularly through his patent for the Avalanche Photomultiplier Tube, highlight his innovative spirit and dedication to advancing technology. His work continues to influence the industry and pave the way for future advancements in photodetection.