More Test & Measurement Articles

Mode controller from Arden Photonics controls LED or VCSEL light


The ModCon mode controller can be used to modify an LED or VCSEL light source to provide repeatable EF-compliant launch conditions.

Multispectral light sensor could enable low-cost medical imaging

05/27/2014 A team of researchers at the University of Surrey in England have developed a multispectral light sensor that detects ultraviolet (UV) to visible and near-infrared (NIR) light, and allows medical and security imaging via low-co...
Terahertz reflectometry characterizes coats of paint without damaging them

Terahertz reflectometry characterizes coats of paint without damaging them

05/22/2014 A father-and-son research team at Applied Research and Photonics (Harrisburg, PA) has developed a technique that uses terahertz reflectometry to measure the thickness of paint layers (for example on cars) to a tens-of-nanometer...

Raman spectroscopy can analyze living cells quickly and accurately


A team of cell biologists at the Fraunhofer Institute for Interfacial Engineering and Biotechnology (IGB) can now analyze living cells quickly and accurately with the help of Raman spectroscopy.

Rotary sensor for industry uses polarization of light for sensing

Rotary sensor for industry uses polarization of light for sensing

05/18/2014 Researchers at Fraunhofer Institute for Integrated Circuits (IIS; Erlangen, Germany) have developed a new kind of rotary sensor that combines precision measurement with flexible handling, allowing it to be customized to specifi...

Portable NIR spectroscopy imaging tool has utility in concussion evaluation

05/16/2014 Two separate projects, spearheaded by University of Pittsburgh Schools of the Health Sciences researchers, represented important steps toward demonstrating on patients the utility of portable, optical brain imaging for concussi...
Optical-fiber-based grating plus microcavity could become ultrasensitive sensor

Optical-fiber-based grating plus microcavity could become ultrasensitive sensor

05/12/2014 Optical cavities can enhance the interaction between light and matter, ideally serving as sensitive sensors, for example. Xia Yu and his team at the A*STAR Singapore Institute of Manufacturing Technology have now developed an o...

Coated suspended-core fiber detects trace amounts of explosives

05/09/2014 n Australian-led group of researchers has enhanced a suspended core microstructured optical fiber with a conjugated-polymer coating to allow sensitive detection of explosives in a liquid volume within the fiber.
Laser phosphorescence detects trace human waste contamination in water

Laser phosphorescence detects trace human waste contamination in water

05/06/2014 A laser-phosphorescence cavity-enhanced spectroscopic technique capable of sampling water systems to find indicators of fecal-matter contamination at concentrations that are thousandths and even millionths of times more dilute ...

Fraunhofer IPMS develops portable biometric retinal eye scanner


The Fraunhofer Institute for Photonic Microsystems has developed a retinal eye scanner small enough to fit in a purse; it will be shown for the first time at Optatec in Frankfurt, Germany.

Optatec 2014 product preview: Exhibition set to be largest yet


Now in its 12th year, the Optatec 2014 exhibition and conference will be held May 20-22, 2014, with an anticipated 5000+ attendees.

Avantes to show beam splitter/combiner at Optatec 2014


A beam splitter/combiner enables combination of two light signals into one spectrometer or splitting a light signal into two spectrometers, with the option to switch between channels automatically.

Ocean Optics to display UV microspectrometer, high-sensitivity spectrometer at Optatec 2014


The STS-UV microspectrometer has utility in ultraviolet (UV; 190-650 nm) applications, while the QE Pro high-sensitivity, back-thinned CCD array spectrometer offers 18-bit A/D for monitoring emission spectroscopy.

Plasmonic color-change pressure-sensing film could end up in baseball gloves

Plasmonic color-change pressure-sensing film could end up in baseball gloves

05/05/2014 University of California, Riverside (UCR) researchers have created a pressure-sensing substance based on a self-assembled color-changing surface-plasmonic material.

Trioptics to showcase precision goniometer, camera module measurement system at Optatec 2014

05/05/2014 The PrismMaster goniometer performs prism angle measurements with 0.2 arcsec accuracy, while the ProCam Align camera module measurement system can be used to align the sensor with the camera optics in up to six degrees of freed...

Business Forum: Integrating photonics with electronics

05/02/2014 In this issue I interview Dr. Alex Fang, founder and CEO of Aurrion in Santa Barbara, CA. I do so because integrating photonic and electronic circuits gets photonics onto the same playing field as electronics in the digital age...

Optofluidics: Optofluidics and the next generation of health-care engineering


Instruments that can do medical diagnoses at home or other places far from hospitals are the wave of the future. Optofluidic devices, some of which can be used with smartphones, have a part to play in this future.

Spectroscopy: Ground-based VUV spectrometer supports satellite studies of planetary atmospheres


A vacuum-ultraviolet spectrometer supports development of improved absorption cell photometers to measure gas isotope ratios that hold clues to the history and future of planetary atmospheric evolution.

Research priorities

05/01/2014 To understand the emerging framework for photonics R&D priorities in the U.S., I urge you to review the recommendations of the Fast-Track Action Committee on Optics and Photonics (FTAC-OP), just released by the National Sci...

Laser Science in China: A rich history of photonics research continues to bear fruit at SIOM


Celebrating its 50th anniversary, the Shanghai Institute of Optics and Fine Mechanics has pioneered advances in high-power lasers, high-field laser physics, and quantum optics.

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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