Test & Measurement

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

Highlights

(Image credit: Duma Optronics)
Test & Measurement

Back to the future of electronic autocollimation

March 7, 2024
Upgrades to these sensitive measuring devices expand their usability in photonics applications.
(Courtesy of JJ Coello-Bravo)
FIGURE 1. Cooled lava becomes blocks, sometimes as large as houses.
FIGURE 1. Cooled lava becomes blocks, sometimes as large as houses.
FIGURE 1. Cooled lava becomes blocks, sometimes as large as houses.
FIGURE 1. Cooled lava becomes blocks, sometimes as large as houses.
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.
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.
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.
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.
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.
FIGURE 1. Purdue researcher Bartek Rajwa (left) and Purdue postdoctoral fellow Sungho Shin review data produced with a portable LIBS spectroscopy device.
FIGURE 1. Purdue researcher Bartek Rajwa (left) and Purdue postdoctoral fellow Sungho Shin review data produced with a portable LIBS spectroscopy device.
FIGURE 1. Purdue researcher Bartek Rajwa (left) and Purdue postdoctoral fellow Sungho Shin review data produced with a portable LIBS spectroscopy device.
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.
FIGURE 1. Laser-induced breakdown spectroscopy (LIBS) experimental system.
FIGURE 1. Laser-induced breakdown spectroscopy (LIBS) experimental system.
FIGURE 1. Laser-induced breakdown spectroscopy (LIBS) experimental system.
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...
Test & Measurement

Process analyzer features a UV-visible spectrometer

Jan. 31, 2024
The OMA process analyzer continuously measures chemical concentrations and physical properties.
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White Papers

Overcoming the Challenges of Measuring High Power NIR Lasers

Requirements for more accuracy have turned high power NIR fiber lasers into a growing option. Parameters must be tracked to ensure process control and quality assurance.
Test & Measurement

Analog front-end sensor drives eight LED emitters

Jan. 23, 2024
The AS7058 analog front-end (AFE) sensor is designed for wearable products, such as smartwatches.
(Photo credit: attocube systems AG)
Executive Forum

Insights on nanotechnology solutions in research and industries

Jan. 16, 2024
attocube systems AG CEO Peter Kraemer talks with EPIC’s Technology Manager for Quantum and Photonic Integrated Circuits in this Q&A.