More Test & Measurement Articles

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

01/19/2015

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

01/16/2015

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

01/15/2015

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

01/13/2015

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

01/13/2015

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

01/12/2015

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

01/12/2015

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

01/12/2015

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

01/10/2015

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

01/08/2015

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

01/08/2015

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

01/07/2015

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

01/07/2015

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

01/06/2015

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

01/03/2015

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

01/02/2015

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

01/02/2015

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

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