Jeff Hecht

Contributing Editor

Jeff Hecht is a regular contributing editor to Laser Focus World and has been covering the laser industry for 35 years. A prolific book author, Jeff's published works include “Understanding Fiber Optics,” “Understanding Lasers,” “The Laser Guidebook,” and “Beam Weapons: The Next Arms Race.” He also has written books on the histories of lasers and fiber optics, including “City of Light: The Story of Fiber Optics,” and “Beam: The Race to Make the Laser.” Find out more at

(Courtesy of Omnivision)
FIGURE 1. Camera placement for driver assistance and autonomous cars.
Test & Measurement

Challenges of full autonomy for sensing in autonomous vehicles

March 8, 2022
New sensing technology is helping to build on the success of existing driver-assist systems to make cars fully autonomous.
FIGURE 1. Uses of fiber transmission in 5G networks and their exterior connections in datacenters and the global network. Inside the wireless system, fibers connect central offices and local data centers to cell towers and to small 28 GHz cells placed on buildings or poles.
Fiber Optics

Beyond 5G to wireless optical networks

Jan. 31, 2022
With 5G wireless networks spreading around the world, standards writers are turning to optical communications for high wireless bandwidths over short distances.
(Courtesy of National Renewable Energy Laboratory)
FIGURE 1. NREL Best Efficiencies of Research Photovoltaic Cells, as compiled in 2021.

Perovskites: The hottest material in solar cells

Dec. 16, 2021
Solar cells containing a tandem pair of photovoltaic junctions with different bandgaps can boost efficiency to help meet goals for clean green electricity.