John B Asbury

Title: Innovations of John B. Asbury in Transient Absorption Spectroscopy

Introduction

John B. Asbury is a notable inventor based in State College, PA (US). He has made significant contributions to the field of spectroscopy, particularly in the development of high-sensitivity transient absorption spectrometers. His work focuses on enhancing the measurement capabilities of minuscule signals under low excitation intensities.

Latest Patents

John B. Asbury holds a patent for a "Short pulsewidth high repetition rate nanosecond transient absorption spectrometer." This innovative device is designed for measuring transient absorption spectra with high sensitivity. It features an excitation source that generates a pulsewidth of less than 5 nanoseconds at frequencies exceeding 100 Hz. The spectrometer includes a probe light source that produces a high photon flux, enabling the measurement of transient absorption spectra before and after excitation. Additionally, it incorporates a DC-coupled detector for synchronous measurement and a digital oscilloscope capable of collecting trigger events at frequencies up to 1 MHz.

Career Highlights

John B. Asbury is affiliated with the Penn State Research Foundation, where he continues to advance research in spectroscopy. His work has been instrumental in developing techniques that allow for the precise measurement of transient absorption spectra, which are crucial for various scientific applications.

Collaborations

Throughout his career, John has collaborated with notable colleagues, including Christopher Grieco and Eric Kennehan. These collaborations have contributed to the advancement of research in the field of transient absorption spectroscopy.

Conclusion

John B. Asbury's innovative contributions to transient absorption spectroscopy highlight his expertise and dedication to advancing scientific measurement techniques. His patent and ongoing research continue to influence the field significantly.