Stephen D Hawker

Title: The Innovations of Stephen D. Hawker

Introduction

Stephen D. Hawker is a notable inventor based in Birmingham, GB. He has made significant contributions to the field of optical displacement sensors, holding a total of 3 patents. His work focuses on developing advanced technologies that enhance measurement accuracy in various environments.

Latest Patents

Hawker's latest patents include innovative designs for optical displacement sensors. One of his patents describes an optical displacement sensor using dual reference reflectors. This sensor comprises first and second optical fibers that transmit light to and receive light reflected from fixed reflectors. A third optical fiber is used to measure displacement by receiving light reflected from a moving reflector. This design allows for accurate displacement measurement, unaffected by variations in transmissivity and refractive index of the medium.

Another patent details an optical displacement sensor suitable for use in drowned environments. This sensor employs reflected light of four wavelengths, with the first two in the infrared region and the latter two in the visible spectrum. A zone plate focuses these wavelengths to measure the position of a reflective element accurately. The use of a cold mirror in this design helps to correct measurements based on the refractive index of the medium, ensuring precise readings.

Career Highlights

Stephen D. Hawker is associated with Lucas Industries Public Limited Company, where he has contributed to various projects and innovations. His expertise in optical technologies has positioned him as a key figure in the development of advanced measurement systems.

Collaborations

Hawker has worked alongside notable colleagues, including Robert A. Pinnock and Roger J. Hazelden. Their collaborative efforts have furthered the advancements in optical sensor technologies.

Conclusion

Stephen D. Hawker's contributions to the field of optical displacement sensors demonstrate his innovative spirit and technical expertise. His patents reflect a commitment to enhancing measurement accuracy in challenging environments.