More Test & Measurement Articles

Business Forum: Collaboration and excellence are the keys to educating photonics professionals


I interviewed Professor Xi-Cheng Zhang, director of the Institute of Optics at the University of Rochester because it is a leading optical center that has made a major impact on the optics and photonics community.

Multiple diamond defects provide subpicotesla magnetometer sensitivity

01/06/2015 A single nitrogen-vacancy defect center in a diamond can, when its optical properties and spin properties are queried by laser readout (for example, measuring the resulting polarization), serve as a magnetometer with a room-tem...

Market Insights: Growing our core photonics businesses: Transcending the $10-million plateau


According to research from SPIE, there are about 2750 companies worldwide supplying photonics components and materials, and they employ 700,000 people.

Color-changing sensor, aided by light microscopy, demonstrates lack of space in living cells

Color-changing sensor, aided by light microscopy, demonstrates lack of space in living cells

01/06/2015 Researchers in Germany have designed a sensor that changes color, depending on how confined the space in a living cell is. Then, using light microscopy, they were able to analyze the effects of the lack of space in the cells.

Photonics and the Internet of Things


Boost your bottom line by packaging your photonics products into an IoT application 

Positronium photons characterize gummy bear nanopores

Positronium photons characterize gummy bear nanopores


In experiments on gummy bears, researchers at Technische Universität München (TUM; Munich, Germany) have determined relevant gelatin properties using positron-annihilation-lifetime spectroscopy (PALS).

Emerson acquires Cascade Technologies to expand gas emission monitoring portfolio


Emerson acquired Cascade Technologies, manufacturer of gas analyzers and monitoring systems using quantum cascade laser (QCL) technology.

Surface-plasmon-based biosensor enables point-of-care detection of dengue fever virus

VIDEO: Surface-plasmon-based biosensor enables point-of-care detection of dengue-fever virus

01/02/2015 Researchers at the University of Ottawa (UO; Ottawa, ON, Canada) and the University of Malaya (UM; Kuala Lumpur, Malaysia) have collaborated to develop a biosensor for rapid diagnosis of the dengue virus, which affects a half b...

Laser beam profiler from Gentec-EO allows 2D, 3D, and XY displays


The Beamage-4M laser beam profiler has 4.2 Mpixels on a sensor measuring 11.3 × 11.3 mm.

SPIE Photonics West will draw a crowd of over 20,000 engineers, scientists, and students to Moscone Center in San Francisco from February 7-12, 2015

Photonics West Preview: SPIE Photonics West 2015 excites with neurology, 3D printing, and silicon photonics

12/31/2014 Twenty-thousand photonics technologists and executives will unite at the 2015 SPIE Photonics West conference this February in San Francisco to explore, among many other things, how photonics could potentially improve, repair, a...

Top 10 photonics stories tell the tale of 2014


The top stories that were viewed on our website say a lot about what was hot.


Thorlabs and partners awarded ARPA-E contract to develop mid-IR methane-sensing lasers

12/29/2014 Thorlabs wholly owned subsidiary Thorlabs Quantum Electronics (TQE) and Maxion Technologies in collaboration with partners from Praevium Research and Rice Universityhave been selected to participate in a $30 million program foc...
A reconstruction of a pair of synaptically connected neurons

Optogenetics, two-photon microscopy observe neuronal transmission in live mouse brain


Using optogenetics, scientists at École Polytechnique Fédérale de Lausanne (EPFL) have observed and measured synaptic transmission in a live animal for the first time.

Infraredx, MGH's Tearney to collaborate on next-gen cardiovascular imaging

12/26/2014 Cardiovascular imaging device maker Infraredx will collaborate with coronary imaging researcher Gary Tearney, MD, Ph.D., who is best known for pioneering research efforts developing optical coherence tomography (OCT) imaging, w...
Sharp unveils optical sensor that measures glycation of blood vessels

Sharp unveils optical sensor that measures glycation of blood vessels


As noted in Tech-On!, Sharp (Tokyo, Japan) has developed an optical sensor that quantifies the accumulation of advanced glycation endproducts (AGEs), which are protein saccharified in blood vessels.

From Ozcan's lab at UCLA: a smartphone fluorescence microscope and a lens-free cancer-detecting microscope

From Ozcan's lab at UCLA: a smartphone fluorescence microscope and a lens-free cancer-detecting microscope

12/17/2014 Aydogan Ozcan's lab at the University of California, Los Angeles (UCLA) has always been on the leading edge of microscope technology (see related links directly below). Now, Ozcan and his colleagues have created two of their ne...

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...

Featured Laser Videos


Laser Measurements Critical to Successful Additive Manufacturing Processes

Maximizing the stability of the variables going into any manufacturing process is what ensures ts consistency and high quality. Specifically, when a laser is...

Handheld Spectrometers

Spectroscopy is a powerful and versatile tool that traditionally often required a large and bulky instrument. The combination of compact optics and modern pa...

Femtosecond Lasers – Getting the Photons to the Work Area

Ultrashort-pulse lasers, both picosecond and femtosecond, are now available from a large number of manufacturers, with new players entering the field at a ra...

Ray Optics Simulations with COMSOL Multiphysics

The Ray Optics Module can be used to simulate electromagnetic wave propagation when the wavelength is much smaller than the smallest geometric entity in the ...

Multichannel Spectroscopy: Technology and Applications

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

White Papers

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...

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 ...

Accurate LED Source Modeling Using TracePro

Modern optical modeling programs allow product design engineers to create, analyze, and optimize LED sources and LED optical systems as a virtual prototype p...

Tailored bar concepts for 10 mm-mrad fiber coupled modules scalable to kW-class direct diode lasers

In this paper, laser modules based on newly developed tailored bars are presented. The modules allow efficient fiber coupling of more than 320 W into 10 mm-m...

All About Aspheric Lenses

The most notable benefit of aspheric lenses is their ability to correct for spherical aberration. Spherical aberration results from using a spherical surface...

Technical Digests

REMOTE FIBER-OPTIC SENSING: Data in abundance from difficult environments

The use of optical fibers to measure strain, temperature, and other parameters at desired points distributed anywhere along a length of fiber opens up new te...

SCANNERS FOR MATERIALS PROCESSING: Serving demanding applications

Galvanometer-based scanners are an essential component in laser-based materials-processing systems; scanners are what do the work required to precisely shape...

OPTICAL COATINGS: Evolving technology produces new benefits

The antireflection, high-reflection, and/or spectral characteristics provided by optical coatings are an essential component of virtually all high-performanc...

Financial News

Article Archive

View Laser Focus World past articles now.


There is no current content available.


There is no current content available.
Copyright © 2007-2015. PennWell Corporation, Tulsa, OK. All Rights Reserved.PRIVACY POLICY | TERMS AND CONDITIONS