Reed A Christenson

Title: Reed A Christenson: Innovator in Ellipsometry

Introduction

Reed A Christenson is a notable inventor based in Lincoln, NE (US). He has made significant contributions to the field of ellipsometry, particularly in developing systems that enhance the accuracy of polarization-dependent measurements. With a total of 3 patents, his work has had a considerable impact on optical measurement technologies.

Latest Patents

Christenson's latest patents include a system and method for compensating polarization-dependent sensitivity in ellipsometer systems. This innovative ellipsometer system features pivotal dispersive optics that receive polychromatic light from an analyzer without requiring further focusing after reflection from a substrate system. Additionally, a rotating compensator is positioned between the analyzer and the dispersive optics to reduce the detector element's polarization-dependent sensitivity to light. The method also incorporates mathematical correction factors for characterizing PSI and DELTA values, as well as Fourier ALPHA and BETA coefficients.

Career Highlights

Reed A Christenson is associated with J.A. Woollam Co., where he has been instrumental in advancing optical measurement technologies. His expertise in ellipsometry has led to the development of innovative solutions that address challenges in the field.

Collaborations

Throughout his career, Christenson has collaborated with notable colleagues, including Blaine D Johs and John A Woollam. These collaborations have further enriched his contributions to the field of optical measurements.

Conclusion

Reed A Christenson's work in ellipsometry exemplifies the importance of innovation in advancing measurement technologies. His patents and collaborations reflect a commitment to enhancing the accuracy and reliability of optical systems.