More Test & Measurement Articles

Cavity-Enhanced Absorption Spectroscopy: Mid-IR QCL with shock tube measures CO concentrations

11/05/2014 Researchers at Stanford University have given a boost to the venerable shock-tube approach to studying high-temperature chemical reactions by using a mid-infrared quantum-cascade laser (QCL) incorporated into a cavity-enhanced ...

Spectroscopy method measures cells to improve cancer drug development

11/05/2014 Animated Dynamics, a life sciences startup of Purdue University, has developed an optical method involving spectroscopy to help pharmaceutical companies find more effective drug candidates and improve the results of personalize...

Business Forum: The study of energy and sustainability reveals many opportunities in photonics

11/04/2014 I interviewed Professor Harry Atwater Jr. of the California Institute of Technology (Caltech) because of the Institute's reputation for scientific and technical excellence. He is the Howard Hughes Professor of Applied Physics a...

Mid-IR Imaging: Upconversion imager improves IR gas sensing

11/04/2014 A nonlinear upconversion detector shows near-shot-noise-limited performance and compares favorably -- while adding additional imaging information -- to conventional cryogenic detectors in the measurement of trace-level gases at...

Testing Detectors: Understanding key parameters of silicon photomultipliers

11/04/2014 Silicon photomultiplier users can expand on basic operating principles by understanding methods that experimentally determine key parameters of this detector such as gain, photon detection efficiency, and prevalence of noise.

Micro-patterned bull’s-eye improves SERS sensitivity

11/04/2014 To maximize the number of molecules delivered to the detection area of a substrate when performing surface-enhanced Raman spectroscopy (SERS), a team of researchers has developed a micropatterned bull’s-eye structure that uses ...

FBG sensor wavelength interrogator is simple, low cost

11/03/2014

A simple, integrated system for wavelength interrogation of fiber Bragg grating (FBG) sensors has been developed by a researchers at the U. of Alberta.

Photon Sensorama

11/03/2014 The Sensorama Simulator was patented by Morton Heilig in 1962 as one of his inventions to expand the art of the cinema. In this early virtual-reality experience, viewers peered into a box to watch a 3D movie while their other s...

Ion image sensor diagnoses Alzheimer’s and diabetes

11/03/2014

Researchers in Japan have developed an alternative potassium-ion-sensitive image sensor using intensified charge-coupled device (iCCD) technology that can diagnose early stage diabetes and even Alzheimer’s disease.

NIST launches new calibration service for high-power lasers up to 10 kW

NIST launches new calibration service for high-power lasers up to 10 kW

10/30/2014 The Quantum Electronics and Photonics Division of the National Institute of Standards and Technology (NIST; Boulder, CO) has launched a new calibration service for high-power lasers such as those used in industry for materials ...

Thorlabs acquires Corning's quantum cascade laser business

10/27/2014

Photonics products manufacturer Thorlabs acquired Corning Incorporated's quantum cascade laser (QCL) business and associated optical semiconductor technologies research group in a private transaction.

Ultrahigh-reliability high-power VCSEL array for 3D sensing and gesture recognition unveiled by Princeton Optronics

Ultrahigh-reliability high-power VCSEL array for 3D sensing and gesture recognition unveiled by Princeton Optronics

10/23/2014

Vertical-cavity surface-emitting laser (VCSEL) specialist Princeton Optronics has introduced a high-power 8-W VCSEL array for 3D sensing and illumination.

Safety of blue-light content of white-light LEDs discussed in new DOE technical brief

Safety of blue-light content of white-light LEDs discussed in new DOE technical brief

10/22/2014

In a new brief, the U.S. Department of Energy (DOE) has set out to clear up what it believes are misconceptions about LED lighting, in particular those that relate to the blue-light content of white-light LEDs.

NASA takes thermal-imaging video of SpaceX in powered descent, info to help with future Mars landings

NASA takes thermal-imaging video of SpaceX in powered descent, info to help with future Mars landings

10/20/2014

NASA captured thermal images of a SpaceX Falcon 9 rocket on its descent after it launched in September, 2014 from Cape Canaveral Air Force Station in Florida.

3D laser time-of-flight imager uses adaptive MEMS to shift its 'attention' to different objects

3D laser time-of-flight imager uses adaptive MEMS to shift its 'attention' to different objects

10/19/2014

Researchers at the three institutes of the Fraunhofer-Gesellschaft in Germany have combined laser time-of-flight (TOF) measurement and an adaptive MEMS microreflector component into a novel laser-scanning system.

Theranostic fluorescent nanoparticles identify and destroy ovarian cancer cells

10/15/2014

Theranostic research that describes a fluorescence technique for identifying and destroying ovarian cancer cells was selected as Editor's Choice for the September 2014 issue of Lasers in Surgery and Medicine (LSM).

Ocean and sea ice research project to use Headwall hyperspectral sensors

10/15/2014

Spectral sensing and imaging company Headwall Photonics delivered two high-performance hyperspectral imaging sensors to Columbia University as part of its Air-Se a-Ice Physics and Biogeochemistry Experiment.

Biophotonics innovators amongst Edmund Optics' 2014 Education Award winners

10/15/2014 Optical components maker Edmund Optics has named the recipients of its 2014 Educational Award program—an award given in recognition of outstanding undergraduate and graduate optics programs in science, technology, engineering, ...

Ways to celebrate IYL 2015

10/10/2014

With 2015 fast approaching, I'm disappointed that I don't have anything specifically lined up related to the event, so I thought I'd do a little research and find out what's on tap for IYL2015.

Gold nanoparticles, laser light pair to measure mucus

10/09/2014

Researchers at the University of North Carolina at Chapel Hill (UNC) have developed a way to use gold nanoparticles and laser light to measure the stickiness of the mucus that lines the airway.

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This webcast, sponsored by Hamamatsu, highlights some of the photonic technology used in spectroscopy, and the resulting applications.

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Fracking, climate change, and lasers:  new tools to reduce fugitive methane emissions

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