Test & Measurement

The laserfocusworld.com Test & Measurement channel features articles and other content that discuss components and systems to quantify photonics.


(Courtesy of JJ Coello-Bravo)
FIGURE 1. Cooled lava becomes blocks, sometimes as large as houses.
Test & Measurement

Laser spectrometry method reveals the chemistry of volcanic magma

Oct. 11, 2023
Predicting and preparing for volcanic eruptions is highly desirable, and a new high-resolution analytical laser spectrometry approach could be just the way to do it.
FIGURE 1. International shipping is a major producer of greenhouse gas emissions and air pollutants, contributing to rising temperatures, climate change, and premature cardiopulmonary and lung cancer deaths.
Test & Measurement

UV spectroscopy becomes a powerhouse for emissions monitoring

Sept. 22, 2023
Spectroscopy is a powerful tool with a vast array of applications—and it can be used to protect the environment by monitoring and regulating air pollution.
(Photo credit: Charles Jischke, Purdue University)
FIGURE 1. Purdue researcher Bartek Rajwa (left) and Purdue postdoctoral fellow Sungho Shin review data produced with a portable LIBS spectroscopy device.
Test & Measurement

LIBS addresses food fraud

Sept. 19, 2023
Laser-induced breakdown spectroscopy (LIBS) has shown potential for analyzing geological and archaeological materials for scientific research. Now, it’s proven it can do more ...
(Courtesy of Lei Yang, Hefei University of Technology)
FIGURE 1. Laser-induced breakdown spectroscopy (LIBS) experimental system.
Test & Measurement

LIBS approach makes recyclable waste easier to ID and classify

Sept. 14, 2023
Identification, classification, and management of recyclable waste materials has become faster and more precise, thanks to a spectroscopy technique that detects different materials...
(Courtesy of Dwight Coleman)
FIGURE 1. InVADER project leader Pablo Sobron explains the system’s mission to the team of scientists onboard E/V Nautilus before ocean deployment.
Test & Measurement

Robotic vehicle plunges into ocean exploration with an optical sensing platform

Aug. 9, 2023
An optical sensing platform is helping identify, analyze, and catalog marine minerals and biodiversity along the sea floor. And as the technology matures, researchers say extraterrestri...
Laser Imaging 5 Oct 2023 651db905699a6
Detectors & Imaging

Military researchers ask industry to develop electro-optical imaging sensors for SWaP-constrained uses

Oct. 5, 2023
Decreasing the noise in optical detection could increase chances of deploying advanced optical technologies in SWaP-constrained systems.
(Courtesy of Gowerlabs)
FIGURE 1. The researchers use LUMO, a wearable, portable, high-density functional NIR imaging device equipped with modular tiles with built-in NIR light sources and detectors.
Bio&Life Sciences

Using near-infrared spectroscopy to help unravel the mysteries of dementia

Sept. 29, 2023
New work by a U.K. team demonstrates a new technique that enables a more detailed view of brain function, which could lead to more accurate and earlier diagnosis of diseases that...
Craic Technologies
Detectors & Imaging

Sample safety technology designed for microscopy and microspectroscopy

Sept. 27, 2023
SampleSafe technology ensures that samples are protected from both photobleaching and UV illumination damage.
Lk Metrology
Test & Measurement

Measuring arms suit harsh industrial environments

Sept. 22, 2023
The 6-axis FREEDOM Arm v2 products offer full IP54 protection from water splashes and the ingress of dust and particles.