More Test & Measurement Articles

Technology Review: Top 20 technologies for 2014 cover the range from basic R&D to new apps


Senior editor John Wallace identifies his top picks for the 20 most interesting photonics technology developments covered by Laser Focus World in 2014.

Infraredx's TVC Imaging System, a dual-modality imaging system that can identify lipid-core plaques using near-infrared spectroscopy (NIRS)

Near-infrared spectroscopy could help predict future cardiovascular events risk

12/10/2014 In a new study, Infraredx evaluated the ability of intravascular near-infrared spectroscopy (NIRS) to identify lipid core-containing plaques, which are believed to be implicated in most heart attacks, as a means to predict the ...

Two banner years


A list of the best of anything is a sure-fire publishing technique to attract an audience-and, true to form, our annual December Top 20 Technology Picks is one of the most-read articles online throughout the year.

Technician education helps meet staffing needs of the photonics community

Business Forum: Technician education helps meet staffing needs of the photonics community

12/08/2014 Dr. Chrys Panayiotou, the director and principal investigator of the Laser & Fiber Optics Southeast Regional Center (LASER-TEC), talks about the well-recognized shortage of technicians in the photonics industry and progress...
Small real-time lidars could allow UAVs to conduct underwater scans

Small real-time lidars could allow UAVs to conduct underwater scans

12/04/2014 A team at the Georgia Tech Research Institute (GTRI; Atlanta, GA) has designed a new approach that could lead to bathymetric lidars (which scan beneath the water's surface) that are much smaller and more efficient than the curr...

Core/shell nanoparticle ratio changes microdisk-resonator sensing properties


Microring and microdisk optical resonators are sensitive detectors of nanoparticles, including individual cells or viruses.

LC retarder helps lidar measure both wind-velocity magnitude and direction

LC retarder helps lidar measure both wind-velocity magnitude and direction


Inexpensive wind-sensing lidars based on continuous-wave (CW) narrow-linewidth laser-diode light sources are becoming useful to the wind-energy industry as anemometers.

Raman spectroscopy method could diagnose bone diseases noninvasively

Raman spectroscopy method could diagnose bone diseases noninvasively

12/02/2014 A team of researchers used a Raman spectroscopy method that could enable doctors to identify bone diseases without having to use invasive diagnostic methods or exposing patients to radiation associated with current x-ray techni...
Avantes CEO Benno Oderkerk gets EPIC Phoenix Award 2014 for entrepreneurship in photonics

Avantes CEO Benno Oderkerk gets EPIC Phoenix Award 2014 for entrepreneurship in photonics

12/01/2014 Benno Oderkerk, who cofounded and is CEO of Avantes (Apeldoorn, The Netherlands), which makes miniaturized fiber optic spectrometers, has received the EPIC Phoenix Award 2014 from the European Photonics Industry Consortium. The...

Terahertz time-domain spectrometer from Menlo Systems provides up to 80 dB SNR


The TERA K15 terahertz time-domain spectrometer provides up to 4.5 THz bandwidth and up to 80 dB signal-to-noise ratio.

Airborne lidar finds ancient Roman goldmines in Spain

Airborne lidar finds ancient Roman goldmines in Spain

11/25/2014 Using an airborne laser teledetection system and flying over the Eria Valley in León, Spain), researchers from the University of Salamanca (Salamanca, Spain) discovered a gold-mining network created by the Romans two thousand y...

Laser power meter from Coherent offers continuous sampling at repetition rates of up to 20 kHz


The LabMax-Pro SSIM laser power meter works with the company’s PowerMax-Pro sensors to enable high speed measurements of lasers from 300 nm to 11 micron.

IR spectrometer from Radiantis delivers greater than 1000 spectra per second


The SeaWave IR spectrometer delivers >1000 spectra/s and measures spectra across the NIR (900–1700 nm) range, and offers 3 nm resolution (FWHM) and low optical loss.

Amanda Wu uses digital image correlation to image a part produced by additive manufacturing

New method measures residual stress in parts produced by additive manufacturing


Lawrence Livermore National Laboratory (LLNL) researchers have developed an efficient method to measure residual stress in metal parts produced by powder-bed fusion additive manufacturing.

Digital height gage from Mitutoyo America measurements include step and width


The QM-Height digital height gage line offers accuracy of 4.5 micron and improvements in design and capability to the previous generation of QM-Height gages.

Laser diodes from SemiNex are TO-56 packaged


The SemiNex TO-56 high-power, 1550 nm pulsed laser diodes have this company's 2.5-mm-long laser diodes.

Tabletop fluorescence and electron microscope from Delmic designed for fast imaging


The Delphi integrated correlative tabletop fluorescence and electron microscope, a collaborative effort of Delmic and Phenom-World, can perform fast correlative microscopy with overlay precision.

Laser power meter from Firebird Sensors uses single crystal silicon carbide sensor


The MEGA laser power meter uses a single-crystal silicon carbide sensor to measure up to 1 kW of average power emitted from pulsed and CW lasers.

CCD camera from Point Grey is designed for metrology apps


The Blackfly BFLY-U3-13S2 camera is based on color and monochrome versions of Sony’s ICX445.

Pyrometers from Process Sensors have applications in metal processing


The PSC-SR56N series of self-contained pyrometers offers a choice of four sighting methods and high-resolution fixed focus optics with small spot sizes.

Featured Laser Videos


Opportunities in the Mid-IR

The technology for exploiting the mid-IR is developing rapidly:  it includes quantum-cascade lasers and other sources, spectroscopic instruments of many...

Fiber Optic Sensors – Fundamentals, Principles and Applications

In this webcast, sponsored by Nufern, we focus on optical fiber sensing technology.  Fundamental concepts will be presented first, followed by the under...

Infinite Possibilities – Easily Combining Scanner and Servo Motion

High precision motion control applications such as laser micromachining, 2-photon polymerization, glass panel and film patterning, and additive manufacturing...

Solutions in Search of Problems: What Spectroscopy Can Do for You

Spectroscopy is so pervasive that most of us take it for granted. We use it for routine laboratory and test measurements without appreciating how those same ...

White Papers

Scalable and modular diode laser architecture for fiber coupling that combines high-power, high-brightness, and low weight

The demand for high-power and high-brightness fiber coupled diode laser devices is mainly driven by applications for solid-state laser pumping and materials ...

Miniature Spectrometers for Narrowband Laser Characterization

In less than 60 years, lasers have transformed from the imagined “ray gun” of science fiction into everyday reality. Used everywhere from bar code scanners t...

Ultra-narrowband optical bandpass filters with large format and improved temperature stability

Hard coated ultra-narrowband optical filters made using modern plasma processes offer much improved transmission, temperature stability and out of band block...

Moxtek ICE Cube™ polarizing beamsplitter

The Moxtek ICE CubeTM polarizing beamsplitter (PBS) product performance is compared to a MacNeille PBS cube.  Cube beamsplitters are found in a variety ...

Technical Digests

HIGH-ENERGY LASER COATINGS: Eliminating laser damage proactively

High-power and high-energy thin-film antireflection coatings for laser optics require careful design and manufacture to enable the coatings to survive the ve...
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LIBS -- spectroscopy for remote identification of materials

Laser-induced-breakdown spectroscopy (LIBS) uses a pulsed laser to vaporize a small sample of a specimen, which is then spectrally measured. But it only take...
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Laser Tools for Materials Processing

Laser materials processing requires not only the appropriate industrial laser system, but also a host of “tools” to ensure that the laser beam is delivered t...
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