Company Filing History:
Years Active: 2004-2008
Title: Innovations of Poul-Erik Hansen
Introduction
Poul-Erik Hansen is a notable inventor based in Farum, Denmark. He has made significant contributions to the field of optical measurement and photonics, holding a total of 2 patents. His work focuses on advanced techniques for measuring and manipulating light in various applications.
Latest Patents
Hansen's latest patents include a "Method and apparatus for optically measuring the topography of nearly planar periodic structures." This invention presents a non-destructive method for measuring the 3D topography of samples with periodic microstructures. The optical system utilizes polarized light beams to measure spatial geometry, providing parameters such as profile height and sidewall angles. The method employs a broadband light source to produce a polarized beam that interacts with the periodic structure, allowing for detailed analysis through a reconstruction algorithm based on Maxwell's equations.
Another significant patent is the "Method and apparatus for diffractive transfer of a mask grating." This technique improves the exposure of photoresist through a grating mask, minimizing overlapping gratings and distortions. It is particularly beneficial for forming Bragg gratings on semiconductors used in optical communications. The method allows for greater flexibility in the thickness of the photoresist layer, reducing processing complexity and costs.
Career Highlights
Throughout his career, Poul-Erik Hansen has worked with reputable companies such as Ibsen Photonics A/S and Dansk Fundamental Metrologi A/S. His experience in these organizations has contributed to his expertise in photonics and optical measurement technologies.
Collaborations
Hansen has collaborated with various professionals in his field, including Niels Agersnap Larsen, enhancing the innovation process through shared knowledge and expertise.
Conclusion
Poul-Erik Hansen's contributions to optical measurement and photonics demonstrate his innovative spirit and technical prowess. His patents reflect a commitment to advancing technology in meaningful ways.