Larry Donalds is Fiber Optic Center Fiber Design and Manufacturing Consultant, Specialty Optical Fiber Expert, bringing more than 35 years of experience from 3M Company in St. Paul, MN, after recently retiring. During his time with 3M Company, he spent 24 years in the development and manufacture of specialty optical fiber utilizing “voice of the customer,” helping 3M design and produce optical fibers to meet specific customer applications and performance criteria.
Projects included the development and production of PM, PZ, EDFA (Erbium Doped Fiber Amplifier) fiber, radiation-hardened fiber for gyroscopes, solution doping of preforms, patent development for Oxyfluoride Erbium fiber, organometallic rare earth deposition and a rare earth single mode fiber bend and position sensor.
In his fiber position at 3M, Larry maintained and operated MCVD equipment from SG Controls Ltd of Cambridge, England, whom FOC has represented in North America for over 25 years. Larry has achieved several awards during his career including 3M Golden Step Award, Photonics Circle of Excellence Award, R&D 100 Award, 3M Circle of Technical Excellence Awards in 1983, 2001 and 2008 and the 3M Ideation Challenge award in 2017.
Specific Areas of Expertise
- Fiber Draw
- Fiber Optic Draw Towers for High Volume Production
- Preform fabrication by MCVD
- MCVD Systems for Preform Production
- Proof Test Equipment and Rewind Systems
- Gas bulk storage cabinets
- Process gas driers
- Specialized gas handling systems
- Optical Fiber Preform