John R Mitchell

Title: **John R. Mitchell: Innovator in Optical Particle Sensing Technologies**

Introduction

John R. Mitchell is a prominent inventor based in Boulder, Colorado, known for his significant contributions to the field of optical particle sensing technologies. With a portfolio of seven patents, his work has led to advancements in particle detection methods that enhance the sensitivity and functionality of various optical particle counters.

Latest Patents

Two of John R. Mitchell's latest patents demonstrate his innovative approach in the domain of particle analysis:

1. **Fluid Refractive Index Optimizing Particle Counter**

This patent provides systems and methods for optical particle counters that effectively account for the refractive index of the analyzing carrier fluid. The systems are versatile, applicable to obscured light, reflected light, emitted light, and scattered light particle counters. This invention notably allows the detection and characterization of smaller particles, including nanoscale sizes, by improving sensitivity through adjustments for refractive index differences between fluids.

2. **Two-Dimensional Optical Imaging Methods and Systems for Particle Detection**

This invention introduces a two-dimensional optical imaging-based particle sensing platform. The systems utilize advanced detection sensitivity and the capability to generate reproducible signals from optical scattering or emission. This platform enables accurate detection, identification, and characterization of particles in both liquid and gas phase samples, marking a significant leap from conventional optical particle counters.

Career Highlights

Currently, John R. Mitchell is employed at Particle Measuring Systems, Inc., where he leverages his expertise to develop cutting-edge technologies in particle measurement. Through his inventive work, he has contributed to enhancing the capabilities of particle detection systems across various industries.

Collaborations

Throughout his career, John has collaborated with notable colleagues, including Dwight A. Sehler and Jon C. Sandberg. These collaborations have fostered an environment of innovation and knowledge-sharing, further advancing the field of optical particle sensing.

Conclusion

In conclusion, John R. Mitchell stands out as an influential inventor whose patented technologies are shaping the future of particle detection and analysis. His work not only paves the way for enhanced measurement techniques but also contributes broadly to the scientific understanding of particle dynamics in various fluid environments.