Mark C Janelle

Title: Mark C Janelle: Innovator in Optical Technologies

Introduction

Mark C Janelle is a notable inventor based in Bedford, NH (US), recognized for his contributions to optical technologies. He holds 2 patents that showcase his innovative designs and engineering expertise. His work primarily focuses on advanced telescope systems and laser communication technologies.

Latest Patents

One of Janelle's latest patents is the Athermal Cassegrain Telescope. This design features a silicon primary mirror bonded into a silicon-carbide (SiC) telescope metering tube. The secondary mirror is directly bonded to the telescope window, which is secured in a SiC bezel attached to the SiC telescope tube. A graphite snout is integrated into the rear of the primary mirror, extending forward into the telescope. This snout includes a field stop that effectively blocks stray light and sources outside the acquisition field of view (FOV). Additionally, a lens cell is threaded into the snout, holding two lenses that collimate the light exiting the telescope.

Another significant patent is the Space Lasercom Optical Bench. This optical bench is designed with a lasercom coefficient of thermal expansion (CTE)-matched system, featuring optional star-tracker capability. It includes a Transmitter (TX) fiber collimator that creates a Gaussian beam from either a singlemode (SM) or polarization maintaining (PM) fiber. The system also incorporates a tiltball directly bonded to the optical bench, which performs centration of the TX beam with the telescope's optical axis. Furthermore, it includes a TX beam diverger for creating both wide and narrow beams for acquisition and tracking communications.

Career Highlights

Mark C Janelle is currently employed at BAE Systems Information and Electronic Systems Integration Inc. His role involves developing cutting-edge technologies that enhance optical systems for various applications. His innovative designs have significantly contributed to advancements in the field of optical engineering.

Collaborations

Throughout his career, Janelle has collaborated with esteemed colleagues, including Robert T Carlson and Ian B Murray. These partnerships have fostered a creative environment that encourages the development of groundbreaking technologies.

Conclusion

Mark C Janelle is a distinguished inventor whose work in optical technologies has led to significant advancements in telescope design and laser communication systems. His innovative patents reflect his commitment to pushing the boundaries of engineering and technology.