Latest Stories

R&D
Photonics/Optics

Optical Fiber Sensor Measures Deviations in Spine

The sensors have already been used to monitor the curvature of structures and robotic arms. But measuring both the magnitude and direction of the spine’s curvature presents an additional challenge.

Briefs
Manufacturing & Prototyping

Compact, Temperature-Tuned OFDR Laser

NASA has focused on OFDR, an alternative FBG interrogation technique based on laser interferometry.

R&D
Medical

Tiny Optical Sensors Could End Hospital Bed Sores

Scientists have designed tiny smart bed sensors embedded in hospital mattresses could put an end to painful and potentially life-threatening pressure sores, thanks to new technology. The...

Briefs
Test & Measurement

AI-Enabled Optical Fiber Sensor Device Monitors Brain Injury

The results from tests on animal brain tissues suggest it could help clinicians to better monitor both disease progression and patients’ response to treatment than is currently possible.

Articles
Unmanned Systems

Positioning to Centimeter Level Improves Ag Productivity

Precision navigation, which is essential to autonomous machines, is knowing a moving vehicle’s absolute and relative position in 3D space accurately, reliably and repeatably....

Articles
RF & Microwave Electronics

The Next Generation of Mission-Critical Communications Infrastructure is Here

The critical role of spectrum superiority in the success of battlefield campaigns is evidenced by the enormous investments being made in electronic warfare (EW)...

Briefs
Photonics/Optics

Optical De-Multiplexing Method for QKD Encryption

Classical laser communication gimbals are coupled to 105um multimodal receiving fibers for the high-power transmission of data, fine pointing, and tracking. These fibers cannot be used in...

Technology Leaders
Photonics/Optics

Ensuring Optical Fiber Alignment

Most optical networks have many fiber couplings and even minor losses at these junctions will produce significant signal losses that cause problems in data transmission. Precise fiber alignment at the optical...

Articles
Imaging

Using CoaXPress-over-Fiber for High-Speed Machine Vision

High-speed digital imaging expands the benefits of traditional machine vision (MV), transforming it from a process control tool into a diagnostic tool. Traditional MV systems use...

Briefs
Communications

Optical Signal Amplifying Technique

Optical Signals can be retrieved from inherent background noise using Talbot effect to amplify them.

Briefs
Photonics/Optics

Flexible Imaging Device

3D micro-printing was used to develop this small, flexible scope for looking inside blood vessels.

Briefs
Sensors/Data Acquisition

Multimode Optical Fiber Sensing

Although a vast majority of fiber optic strain sensors use single mode fiber, multimode fiber has a higher nonlinear threshold that enables higher light levels and lower noise.

Application Briefs
Imaging

Visualizing Value at the Speed of Light

See how hyperspectral imaging adds value to food inspection systems.

Articles
Photonics/Optics

500°C-Rated Optical Fiber for High Temperature Applications

A metal-coated fiber capable of withstands high temperatures.

Application Briefs
Photonics/Optics

Measuring Aggressive Launch Loads on Spacecraft

What began as a research tool to collect aerodynamic data from research aircraft is now solving technical challenges for NASA.

Briefs
Test & Measurement

Nanoscale Sensors Measure Elusive Water Levels in Leaves

A new technology uses nanoscale sensors and fiber optics to measure water status just inside a leaf’s surface, where water in plants is most actively managed.

Q&A
Materials

How to Measure High Voltage with No Physical Contact

Dr. Israel Owens and his team at Sandia National Laboratories have used a crystal smaller than a dime and a laser smaller than a shoebox to safely measure 20 million volts without making physical contact to the electrode.

Articles
Semiconductors & ICs

SPIE Photonics West 2022 Preview

The main Photonics West exhibition opens on Tuesday, January 25.

Briefs
Photonics/Optics

Miniature Optical Fiber Treatment Device Offers More Effective Cancer Immunotherapy

The device infuses antibodies through the miniature fiber to the tumor to activate T cells around tumor cells.

Application Briefs
Lighting

Illumination Design Considerations for Robotic Surgery Vision Systems

To have a successful product, one must consider all the required sub-systems to deliver high-quality illumination.

Briefs
Communications

Unique Amplifier Could Change Optical Communication

Researchers at Chalmers University of Technology have developed an optical amplifier that they expect will revolutionize both space and fiber communication.

Briefs
Electronics & Computers

Graphene-Based Photonics Devices for Remote Sensing

Growing large-area graphene on optical substrates enables use in photonics devices.

Technology Leaders
Photonics/Optics

Optimizing 5G Fiber Optic Filament Production

Ball screws are helping manufacturers meet the growing demand for fiber optic cables generated by 5G communications.

Briefs
Mechanical & Fluid Systems

Soft Robotic Gripper Based on Twining Plants

The robot firmly but gently grasps objects as small as 1 millimeter in diameter.

Briefs
Imaging

Diffraction Grating Provides Wider Angles for Light Input

This technology bends light more efficiently, enabling more immersive augmented reality display systems.

Briefs
Motion Control

Transport of Mechanical Energy, Even Through Damaged Pathways

This work could lead to much more robust devices that continue to operate in spite of damage.

R&D
Semiconductors & ICs

Ultra-Sensitive, Small Optomechanical Ultrasound Sensor

An optomechanical ultrasound sensor on a silicon photonic chip provides unprecedented sensitivity due to an innovative optomechanical waveguide.

Technology Leaders
RF & Microwave Electronics

Testing 800G Direct Modulated Optical Signaling

Test technologies are available as technologies evolve to 800Gbps and 1.6Tbps for next-generation data center architectures.

Briefs
Photonics/Optics

Passive Polarized Fiber Optic Sensing

This technique has applications in strain, temperature, pressure, vibration, and acoustic sensing.