John Oncea

Erie

Editor at RF Globalnet

Editor at Photonics Online

Father of @KatyOncea; @Dodgers @Penguins & @PennStateFball fan

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Articles

06.18.25 -- Fiber Optic Cables: How Far Is Too Far?

1 week ago | photonicsonline.com | John Oncea |Tony Kitazawa |Inc. Optoelectronic Components

With ideal conditions and amplification, optical fiber can transmit petabit speeds globally, but real-world limits depend on fiber type and network design. Zoom System For Coherent Imaging With No Moving Lens GroupsExplore a novel zoom system for interferometry, eliminating image drift and focus shifts while maintaining diffraction-limited resolution without moving optical elements.
06.17.25 -- Surprising Facts About Wire, Energy Harvesting And Matter For Smarter Homes, Combatting Electrical Arcing In Circuits & More

1 week ago | rfglobalnet.com | John Oncea |Maury Microwave |Marki Microwave

RF wire tech is rapidly evolving, enabling 5G/6G, defense, and smart monitoring, with miniaturization, durability, and sustainability driving innovation. Cutting The Cord: Energy Harvesting And Matter For Smarter HomesEnergy harvesting enables battery-free IoT devices, reducing waste and improving efficiency. Qorvo and e-peas demonstrate this with a smart, Matter-enabled light switch powered by indoor light.
How Integrated Circuits Power Today's Technology

1 week ago | rfglobalnet.com | John Oncea

By John Oncea, Editor Integrated circuits have evolved from simple microchips to complex, nanoscale marvels, driving advances in computing, communications, and next-generation technologies. Integrated circuits, commonly known as microchips or chips, are the invisible engines that power the modern digital world.
The Future of Photonics: What to Expect at SPIE Optics + Photonics 2025

1 week ago | photonicsonline.com | John Oncea

By John Oncea, Editor SPIE Optics + Photonics 2025 in San Diego is the leading event for photonics engineers, featuring innovative research, exhibitions, and professional development. Each August, SPIE Optics + Photonics convenes thousands of engineers, researchers, and innovators in San Diego for a week of discovery, networking, and technical advancement.
06.16.25 -- The Quest To Map The Universe, Using Remote Sensing To Detect Wildfires, Specifying Lenses For Megapixel Cameras & More

1 week ago | photonicsonline.com | John Oncea |Jason Palidwar |Claude Montcalm |Peter Hook

The Vera C. Rubin Observatory in Chile will revolutionize astronomy with its massive digital camera, real-time data, and a decade-long sky survey, hunting Planet 9. Fire Detectives In Orbit: Using Remote Sensing To Detect WildfiresAdvances in optical technology, combined with changing launch cost dynamics, have pushed optical Earth observation to the forefront of wildfire detection, tracking, and management.
How Drones Are Transforming Landmine Removal

2 weeks ago | rfglobalnet.com | John Oncea

By John Oncea, Editor Drone technology combined with AI is revolutionizing landmine clearance, making it faster, safer, and more cost-effective while overcoming challenges of accuracy and terrain limitations. More than 100 million landmines are currently buried in more than 60 countries, according to Minesweepers, an international robotic competition on humanitarian demining that aims to motivate researchers and developers to work on innovative solutions for this serious problem.
06.12.25 -- How To Speak Radar, The Importance Of Antenna Beamwidth In RF Testing & More

2 weeks ago | rfglobalnet.com | John Oncea |Arnold E. Acker

GPR, a non-invasive geophysical method that uses radar pulses to image the subsurface, allowed archaeologists to detect Richard III’s long-lost grave. How To Speak Radar: Basic Fundamentals And ApplicationsThe evolution of radar has grown steadily over the decades to employ sophisticated computerized techniques. Explore this introduction to radar technologies and to the application of radar equipment.
06.11.25 -- Laser World Of Photonics: Applications, Research, And Technology

2 weeks ago | photonicsonline.com | John Oncea |Dan Bukaty Jr. |Hongbai Lao

Laser World of Photonics, taking place in Munich from June 24–27, attracts visitors and exhibitors from all over the world. By attending, you’ll learn the latest trends and innovations in photonics technology, attend workshops and technical presentations, and interact with industry professionals.
How Photonics Are Used In The Manufacturing Of Sporting Goods

2 weeks ago | photonicsonline.com | John Oncea

By John Oncea, Editor Photonics technologies revolutionize sporting goods manufacturing through laser cutting, 3D printing, optical metrology, and precision measurement systems. Photonics tools are integrated with vision systems, conveyor automation, and CAD software, providing valuable context for engineers designing turnkey photonic solutions.
What We've Learned From Decades Of Numbers Station Operations

2 weeks ago | rfglobalnet.com | John Oncea

By John Oncea, Editor Numbers stations demonstrate decades of robust RF communication design, offering insights into propagation optimization and one-way transmission security. Explore AM/CW modulation, ionospheric physics, and one-way transmission designs that outlast modern digital systems. Unravel why stations use musical tones, synthetic voices, and machine-generated Morse code to evade detection while maintaining operational security.