James Assif

Title: Innovations of James Assif in Photoacoustic Measurement Technology

Introduction

James Assif is an accomplished inventor based in Billerica, MA (US). He has made significant contributions to the field of photoacoustic measurement technology. His innovative work focuses on the measurement of light absorption in particulate and gaseous species, which has important applications in environmental monitoring and analysis.

Latest Patents

James Assif holds a patent for an "Apparatus and methods for photoacoustic measurement of light absorption of particulate and gaseous species." This patent describes a measurement instrument that utilizes a photoacoustic effect to analyze species in gas. The instrument features a pair of differential acoustic cells, including a sample cell for receiving sample gas and a reference cell for receiving a filtered version of the sample gas. An excitation light source provides an amplitude-modulated beam to each cell, while an array of microphones measures the acoustic waves generated by light absorption. This innovative design allows for precise concentration calculations of the species based on differential signals.

Career Highlights

James Assif is currently employed at Aerodyne Research, Inc., where he continues to develop and refine technologies related to photoacoustic measurements. His work has contributed to advancements in environmental science and has implications for various industries that require accurate gas analysis.

Collaborations

James has collaborated with notable colleagues, including Zhenhong Yu and Paul L Kebabian. Their combined expertise has fostered a productive research environment, leading to innovative solutions in their field.

Conclusion

James Assif's contributions to photoacoustic measurement technology exemplify the impact of innovative thinking in scientific research. His patent and ongoing work at Aerodyne Research, Inc. highlight the importance of advancements in environmental monitoring.