John Oncea
John Oncea is the Editor of RF Globalnet and Photonics Online.
ARTICLES BY JOHN ONCEA
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![GettyImages-1023417244 Thin-Film Coatings]( "How Thin-Film Coating Advancements Are Improving Device Performance")
How Thin-Film Coating Advancements Are Improving Device Performance10/16/2025Thin-film coatings – crucial in telecommunications, healthcare diagnostics, consumer electronics, aerospace defense, automotive, and industrial automation – continue to evolve, and their role in enabling high-capacity data transmission and improving device functionality is becoming more prominent.
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![Bathymetric LiDAR GettyImages-1247857268]( "Beyond The Surface: How Laser Technology Revolutionized Marine Mapping")
Beyond The Surface: How Laser Technology Revolutionized Marine Mapping10/9/2025From George Hickman's 1968 pioneering flight to NASA's space-based systems, bathymetric LiDAR has revolutionized underwater mapping and marine exploration.
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![Machine Vision GettyImages-180250809]( "How Machine Vision Transformed Fiber-Optic Reliability")
How Machine Vision Transformed Fiber-Optic Reliability10/6/2025Automated machine vision paired with photonics revolutionized fiber-optic connectivity in the 1990s, enabling consistent, high-speed internet by ensuring connectors remained clear of microscopic defects.
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![Quantum Computing GettyImages-1173798980]( "TWPA And The Future Of Scalable Quantum Computing")
TWPA And The Future Of Scalable Quantum Computing9/30/2025Qubic's cryogenic traveling-wave parametric amplifier slashes quantum computer heat emissions by 10,000x, enabling scalable, efficient, next-generation quantum systems.
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![Advanced Optics GettyImages-182681532]( "Photonics Redefined: Crystalline Coatings And Graphene In Advanced Optics")
Photonics Redefined: Crystalline Coatings And Graphene In Advanced Optics9/24/2025Explore the latest breakthroughs in crystalline optical coatings and graphene-based photonic components, highlighting their mechanisms and transformative applications.
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![GettyImages-1494345445 spectroscopy]( "Illuminating Skin Diagnostics: The Promise Of Diffuse Reflectance Spectroscopy")
Illuminating Skin Diagnostics: The Promise Of Diffuse Reflectance Spectroscopy9/23/2025Diffuse reflectance spectroscopy is redefining skin diagnostics through non-invasive, quantitative, and portable analysis – advancing cancer detection, skin health monitoring, and future personalized care.
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![Stealth Military Technology GettyImages-2209445890]( "The Science Behind Stealth Detection Through Atmospheric Disturbances")
The Science Behind Stealth Detection Through Atmospheric Disturbances9/18/2025Electro-Optical MASINT uses atmospheric disturbances and optical sensors to detect stealth aircraft, UAVs, and missiles even after engine cutoff, countering low-observable tech.
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![Light Emitting Diode (LED) GettyImages-135195605]( "From Incandescent To LED: The Evolution Of Efficient Artificial Lighting")
From Incandescent To LED: The Evolution Of Efficient Artificial Lighting9/16/2025LED lighting offers 80-90% energy efficiency, vastly outperforming incandescent bulbs, saves costs, lasts longer, and reduces environmental impact due to the use of fewer toxic materials.
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![GettyImages-1279940681]( "From Laboratory To Li-Fi: The Transformative Journey Of White Lasers")
From Laboratory To Li-Fi: The Transformative Journey Of White Lasers9/11/2025White laser technology evolved from a 2015 ASU breakthrough to enable multi-gigabit Li-Fi, enhanced displays, quantum sensing, and next-gen communication systems.
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![GettyImages-926750858]( "Using Fiber Optics For High-Speed Internet, Remote Sensing, And … Detecting Icequakes?")
Using Fiber Optics For High-Speed Internet, Remote Sensing, And … Detecting Icequakes?9/4/2025Fiber optics have been used in many ways by many industries. Now, the technology is being used to help detect earthquake’s little brother, icequakes.
