William R Johnson

Title: **William R Johnson: Innovations in Infrared Spectrometry**

Introduction

William R Johnson, an accomplished inventor based in Brea, California, holds five patents that contribute significantly to the field of infrared spectrometry. His work focuses on developing advanced devices that enhance our understanding of various spectral ranges, which have crucial applications in space exploration and calibration methodologies.

Latest Patents

Among Johnson's most notable innovations are:

1. **Mid-wave and Long-wave Infrared Point Spectrometer**

This patent discloses methods and devices for implementing mid-wave and long-wave infrared point spectrometers. The innovative concept utilizes bi-faceted gratings along with high-operating-temperature barrier infrared and thermal detectors. These spectrometers can be designed for flight applications, covering broad solar reflectance and thermal emission spectral ranges. They are particularly suitable for small spacecraft reconnaissance missions targeting asteroids, the Moon, and planetary satellites, as well as mass-constrained landed missions.

2. **Black Silicon Blackbody Calibration Target**

This patent focuses on a blackbody calibration target that features a textured silicon substrate. It comprises a base with a plurality of needle-like structures that extend from the base and achieve a total emissivity of over 99.5% when exposed to electromagnetic radiation with wavelengths between 400 nanometers and 1 millimeter. The disclosure includes a system and method for calibrating instruments using this blackbody calibration target.

Career Highlights

William R Johnson's professional journey includes significant contributions while working with prestigious organizations such as the California Institute of Technology and the National Aeronautics and Space Administration (NASA). These experiences have equipped him with a unique perspective and expertise in developing cutting-edge technologies in spectrometry.

Collaborations

Throughout his career, Johnson has collaborated with notable individuals such as Daniel W Wilson and Gregory H Bearman. These partnerships have contributed to the successful development of his innovative devices and the advancement of scientific knowledge in the field.

Conclusion

William R Johnson's work has made a substantial impact on the development of infrared spectrometry. His patents not only enhance the capabilities of spectroscopic instruments but also open new avenues for research and exploration. With a commitment to innovation, Johnson continues to influence the technology landscape in significant ways.