Location History:
- Darmstadt, DE (1997 - 2001)
- Kassel, DE (2001 - 2016)
Company Filing History:
6 out of 700 
2 out of 2 
1 out of 1 Years Active: 1997-2016
Title: Hartmut Hillmer: Innovator in Optical Filter Technology
Introduction
Hartmut Hillmer is a notable inventor based in Kassel, Germany. He has made significant contributions to the field of optical filter technology, holding a total of 11 patents. His work focuses on developing innovative methods and devices for examining electromagnetic radiation.
Latest Patents
Among his latest patents is an optical filter and method for its production, which includes a device for the examination of electromagnetic radiation. This invention features an optical filter array that consists of a substrate permeable to electromagnetic radiation, a first DBR mirror, a second DBR mirror, and multiple cavity sections with varying optical lengths. The design allows for the reflection of a stopband determined by the DBR mirrors while providing narrow transmission bands for each filter element. The production method utilizes a nanoimprint process to create cavity sections of different thicknesses, making the filter inexpensive to produce and capable of detecting multiple wavelengths without the need for tuning the DBR mirrors.
Career Highlights
Throughout his career, Hartmut Hillmer has worked with prominent companies, including Deutsche Telekom AG. His experience in the telecommunications sector has contributed to his expertise in optical technologies.
Collaborations
He has collaborated with notable individuals in his field, including Bernd Klepser and Wolfgang Koecher. These partnerships have likely enhanced his innovative capabilities and broadened the impact of his inventions.
Conclusion
Hartmut Hillmer's contributions to optical filter technology demonstrate his commitment to innovation and excellence. His patents reflect a deep understanding of electromagnetic radiation and its applications, solidifying his reputation as a leading inventor in this domain.