Test & Measurement

Sapphire Fiber Could Enable Cleaner Energy and Air-Travel

Researchers at Oxford University have used a sapphire optical fiber – a thread of industrially grown sapphire less than half a millimeter thick – that can withstand...

Method Measures Temperature Within 3D Objects

Engineers have remotely determined the temperature beneath the surface of certain materials using a new technique called depth thermography. The method may be useful in applications where...

Testing Sensors in Fog to Make Future Transportation Safer

Self-flying drones and autonomous taxis that can safely operate in fog may sound futuristic, but new research at Sandia National Laboratories’ fog facility is bringing the...

New Products: November 2021 Photonics & Imaging Technology

Infrared lens testers, fiber optic transceivers, spectral radiometers, and more.

Photo-Induced Emission Analysis to Identify Surface Contaminants

The instrument identifies, quantifies, and characterizes contamination, even on irregularly shaped surfaces.

Graphene-Based Photonics Devices for Remote Sensing

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

Macroflash Cup Cryostat

The compact instrument measures thermal conductivity of materials at below ambient temperatures.

Monitoring Additive Manufacturing with an Optical Microphone

Learn about a membrane-free, broadband microphone for the highest ultrasound frequencies.

An Immersive Solution for Thermally Safer EV Batteries

An R&D project indirectly leads to potentially greater power density, EV range, and battery life.

Product of the Month: May 2021 Tech Briefs

A smart temperature transmitter delivers measurements via Bluetooth.

Practical Design Solutions to Improve Contactless Current Sensing in Electric Vehicles

With new vehicles, automotive manufacturers will need to closely monitor the current flowing to the motor.

Supercool Mini-Thermometer

Applications include monitoring the temperature of processor chips in superconductor-based quantum computers, which must stay cold to work properly.

Possible Significant Response Speedup from Detuning a Resonator Bolometer

The response time of kinetic inductance bolometers can be greatly enhanced by electrothermal feedback for devices that are both sensitive and speedy.

Signal-to-Noise Ratio (SNR) in Hyperspectral Imagers

Learn how to obtain large signals from hyperspectral imagers.

New Method Measures Temperature Within 3D Objects

University of Wisconsin–Madison engineers have made it possible to remotely determine the temperature beneath the surface of certain materials using a new technique they call depth...

Venting for EV Battery Packs

Cell chemistries, thermal dynamics, vehicle packaging, and even weather present challenges for optimizing electric vehicle battery functional safety.

New Products: August 2020 Battery Technology

Power switches, battery pack adhesives, supercapacitor modules, and more...

Directional UAV Localization of Power Line Ultraviolet Corona

This method detects power line faults using a drone.

Machine Learning Enables Rapid Rocket Engine Design

This method provides a fast way to assess rocket engine performance in a variety of operating conditions.

New on the Market: July 2020

Photoelectric sensors, cable connectors, power monitors, and USB3 cameras.

New Products: June 2020 Sensor Technology

Small Accurate Temperature Sensor

Würth Elektronik (Waldenburg, Germany) is introducing a 2.0 × 2.0 × 0.5 mm temperature sensor. Its accuracy in the measuring range of -40 to 125°C is...