Location History:
- Seattle, WA (US) (1993)
- Bellevue, WA (US) (1992 - 1994)
- Belleview, WA (US) (1993 - 1995)
Company Filing History:
Years Active: 1992-1995
Title: Innovations of Peter J DeGroot
Introduction
Peter J DeGroot is a notable inventor based in Belleview, WA (US). He has made significant contributions to the field of optical metrology, holding a total of five patents. His work focuses on enhancing the precision and functionality of optical devices.
Latest Patents
One of his latest patents is an apparatus for coupling an optical fiber to a structure at a desired angle. This optical metrology apparatus includes a laser probe that features a frame made from a material with a predetermined coefficient of thermal expansion. The design incorporates a beamsplitter that generates both a sample beam optical path and a reference beam optical path. The system utilizes a piezoelectric stack to phase modulate the reference beam optical path length, ensuring that any expansion or contraction of the frame is matched, resulting in a net zero change in the non-common beam path lengths.
Another significant patent is an interferometric laser profilometer that employs a multimode laser diode. This apparatus is designed for determining characteristics of an object's surface. It includes a multiple wavelength source that provides a synthetic wavelength for metrology purposes. The system utilizes a beamsplitter to create a reference beam and a measurement beam, which are essential for detecting phase differences and determining surface characteristics.
Career Highlights
Peter J DeGroot has had a distinguished career at Hughes Aircraft Company, where he has applied his expertise in optical technologies. His innovative work has contributed to advancements in metrology and optical systems, showcasing his commitment to enhancing measurement precision.
Collaborations
Throughout his career, Peter has collaborated with notable colleagues, including David H Kittell and Guy H Hayes. These partnerships have fostered a collaborative environment that encourages innovation and the sharing of ideas.
Conclusion
Peter J DeGroot's contributions to optical metrology through his patents and work at Hughes Aircraft Company highlight his role as a significant inventor in the field. His innovative approaches continue to influence advancements in optical technologies.
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