More Test & Measurement Articles

Ondax to showcase terahertz Raman spectroscopy system at SPIE BiOS and SPIE Photonics West 2015


THz-Raman spectroscopy systems combine chemical detection and structural analysis for forensic and scientific analyses.

Optical Filters: Optical filter performance keeps improving-measurement techniques must keep pace

01/16/2015 Measuring the new generation of steep bandpass filters with bandwidths less than 1 nm tests the resolution capabilities of instrumentation; more credible measurements in these high-performance regimes are now required to advanc...

Ultraviolet LEDs: UVC LEDs enable cost-effective spectroscopic instruments


The traditional light sources used in UV spectroscopy can, for some uses, be replaced by LEDs, greatly reducing both capital and operating costs.

Surrounded by light


The UN designation of 2015 as the International Year of Light and Light-based Technologies provides an excellent framework for highlighting the role and value of light in the world at large.

Spectrum Scientific to introduce UV spectrometer at SPIE Photonics West 2015


The UV 470-151 spectrometer incorporates the company's aberration-corrected concave holographic grating to provide high throughput and f/2.0 performance.

Photonic-crystal nanolaser biosensor uses detection of surface charge to simplify DNA detection

Photonic-crystal nanolaser biosensor uses detection of surface charge to simplify DNA detection


A photonic-crystal nanolaser biosensor developed by a group at Yokohama National University (Yokohama, Japan) detects the adsorption of biomolecules based on the laser's wavelength shift.

STS microspectrometer from Ocean Optics

Ocean Optics to showcase microspectrometer at SPIE BiOS and SPIE Photonics West 2015


The STS microspectrometer measures 40 × 42 × 24 mm and performs across the UV (190–650 nm), visible (350–800 nm), and NIR (650–1100 nm).

Ophir Photonics to display non-contact focus spot and position monitor at SPIE Photonics West 2015


The BeamWatch 2.0 non-contact focus spot and position monitor for very high-power YAG and fiber lasers has utility in material processing applications.

Spectroscopy method helps decode protein used in optogenetics


Researchers at Ruhr University Bochum (RUB) and colleagues in Germany used a spectroscopy technique to help shed light upon the mode of action of the channelrhodopsin-2 protein with high spatiotemporal resolution.

Picosecond laser from Photonics Industries for satellite laser ranging


The software-controllable RG-L series picosecond laser has a short pulse width that allows high-altitude-orbit satellite geodesy.

The main components are shown for the METIS coronagraph

Astronomy: In-space UV calibration of the METIS solar coronagraph


How is it possible to calibrate the ultraviolet (UV) channel of an imaging solar coronagraph as it flies through space? Just look to the stars.

Novel Detectors: SiC bolometer laser power sensor has advanced specs


A laser-power meter (LPM) that uses a volume absorbing, single-crystal, silicon carbide (SiC) bolometer and detects wavelengths from 190 nm to 200 μm has been developed at Firebird Sensors.

Gigahertz-Optik to show spectral light and color meter at SPIE Photonics West 2015


The BTS2048-VL spectral light and color meter for use in industrial applications provides photometric, scotopic, colorimetric, and radiometric measurement results in 7 ms via LAN interface.

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.

Featured Laser Videos


Multichannel Spectroscopy: Technology and Applications

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

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...

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

This webcast, sponsored by Hamamatsu Corporation, covers recent developments and field deployments of compact quantum-cascade-laser (QCL)-based methane senso...

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...

White Papers

Narrow-line fiber-coupled modules for DPAL pumping

A new series of fiber coupled diode laser modules optimized for DPAL pumping is presented, featuring greater than 400W from a 600µm core fiber of 0.22NA. Add...

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...

Optical Isolators Improve Engraving Performance of Pulsed Fiber Lasers

The deleterious effects of back reflections on pulsed fiber lasers used in marking and engraving are well-known. This paper looks at some of those conditions...

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 ...

Technical Digests

ADHESIVES, SEALANTS, AND COATINGS: Solutions for optical technologies

A vast array of optical systems of various types and degrees of complexity require the use of adhesives, encapsulants, and other curing compounds for assembl...

WAVELENGTH-SWEPT LASERS: Dispersion-tuned fiber laser sweeps over a 140 nm range for OCT

By eliminating the use of mechanical tunable filters and instead tuning by intensity-modulation in a highly dispersive laser cavity, a fiber laser sweeps a 1...

Keeping pace with developments in photonic materials research

For demanding or custom spectroscopy solutions, care must be taken in selecting and integrating a number of critical electro-optical components. Development ...

Financial News

Article Archive

View Laser Focus World past articles now.


There is no current content available.


There is no current content available.
Copyright © 2007-2014. PennWell Corporation, Tulsa, OK. All Rights Reserved.PRIVACY POLICY | TERMS AND CONDITIONS