Location History:
- Ridgewood, NJ (US) (2000 - 2005)
- New York City, NY (US) (2019)
Company Filing History:
4 out of 2,489 
2 out of 2,123 
2 out of 2,372 
Years Active: 2000-2019
Title: **Inventor Kenneth B. Eisenthal: Pioneering Research in Interfacial Charge States**
Introduction
Kenneth B. Eisenthal is a notable inventor based in New York, NY, with a strong background in the field of spectroscopy and interfacial phenomena. With a total of four patents to his name, he has made significant contributions to our understanding of charge states at interfaces, leveraging advanced optical techniques.
Latest Patents
One of Eisenthal's most recent patents is focused on the **optical quantification of interfacial charge states**. This invention details an apparatus designed for probing an interface through second harmonic generation (SHG) spectroscopy. The apparatus includes a sample cell made of a noncentrosymmetric material oriented relative to a reference axis, optics to illuminate the interface, and a detector for the SHG signal. This technology enables the detection of both bulk and interfacial second harmonic signals, providing crucial data about interfacial electrostatic parameters such as interfacial potential and charge density.
Moreover, he has also developed methods for generating SHG signals from interfaces involving noncentrosymmetric materials like α-quartz. These methods utilize the unique properties of these materials to function as internal phase references, allowing for the determination of various interfacial electrostatic characteristics, including the charge sign.
Career Highlights
Throughout his career, Kenneth B. Eisenthal has held positions at prominent institutions such as Columbia University and Northwestern University. His work in the field has emphasized the intersection of physics and chemistry, where he has advanced the understanding of molecular interactions at surfaces.
Collaborations
Eisenthal has collaborated with several esteemed colleagues, including Franz M. Geiger and Paul E. Ohno. These partnerships reflect his commitment to advancing scientific inquiry and application in spectroscopy and interface studies.
Conclusion
Kenneth B. Eisenthal stands out as a pivotal figure in the field of optical spectroscopy, with significant innovations pertaining to interfacial charge states. His continued research and development efforts not only contribute to the body of scientific knowledge but also pave the way for future innovations in materials science and electrochemistry.