More Test & Measurement Articles

$1 test that uses gold nanoparticles can screen for prostate cancer quickly


A newly developed test screens for prostate cancer with unprecedented sensitivity, and costs less than $1.

Optical Coherence Tomography: Synthetic aperture OCT extends focal depth in biological tissues


In optical coherence tomography (OCT) imaging, a high lateral resolution typically means a short depth of field or reduced axial resolution.

Headwall Photonics partners with Ocean Spray to test spectral-imaging agricultural analysis


Spectral imaging will be combined with machine vision to achieve the companies' goals.

Light-powered gyroscope has sub-millimeter dimensions


A team of applied physicists hopes to enable a new generation of phenomenally compact gyroscope-based navigation systems.

Optical Testing: Quantitative approach improves CGH alignment for asphere testing


Testing the form of a rotationally symmetric aspheric surface to be made in quantity is often done using a computer-generated hologram (CGH).

Microsecond Raman spectroscopy tool has potential in medical diagnostics


Researchers at Purdue University used a vibrational spectroscopy technology that can take images of living cells.

Business Forum: Best practices from Switzerland— Photonics and otherwise


This month I interview the husband–wife team of Professor Ursula Keller and Dr. Kurt Weingarten.

Standoff Raman spectrometer identifies liquids in gas pipelines


A standoff Raman spectrometer allows sensing from 2.4 m away at standard 2-m-height standoff pipes in the network.

Spatial light modulator business of CRi acquired by Meadowlark Optics


Meadowlark Optics has acquired the spatial light modulator (SLM) line of products from Cambridge Research & Instrumentation, part of PerkinElmer Life Sciences. 


Spectrum analyzer from Bristol measures laser wavelength from the visible to the mid-IR


The 771 Series laser spectrum analyzer measures laser wavelength from the visible to the mid-IR to an accuracy as high as ± 0.0001 nm.

Power meter from Radiantis measures power levels from 1 nW to 20 W


The PowerSense power meter can measure power levels from 1 nW to 20 W with a single detector head, with millisecond response.

Fiber-optic sensors are monitored 253 km away without amplification


Such sensors are useful for monitoring concrete and asphalt, as well as oil pipelines.

Mini spectrometer from Lasnix covers the visible to terahertz region


A mini all-IR spectrometer covers this region in a permanently aligned, drift-free device for real-time monitoring of collimated beams from any light source.

Spectroscopy camera from Horiba Scientific for low-light and ultrafast spectroscopy


The Synapse EM deep-cooled, EMCCD scientific camera is available in front- and back-illuminated versions.

Light sources from Labsphere are for use in calibration of cameras and sensors


CCS-1000 systems replace the halogen source inside a high-reflectance integrating sphere with 16 LEDs distributed over the visible and NIR range.

LASER World of Photonics China continues strong growth


Celebrating its 10th anniversary with exhibitors from 20 countries, LASER World of Photonics China attracted over 40,000 attendees to the Shanghai New International Expo Cente, March 17-19.


Spectroscopic studies on ITER fusion reactor walls use Andor ICCD camera

Spectroscopic studies on ITER fusion reactor walls use Andor ICCD camera


The laser-induced-breakdown spectroscopy (LIBS) analyses will help ITER's maintenance in future.

University of St. Andrews and M Squared Lasers form partnership for biophotonics research

University of St. Andrews and M Squared Lasers form partnership for biophotonics research


The commercial agreement will spur improved detection and treatment of cancer, Alzheimer's

LASER World of Photonics—don’t miss it


Every two years, Munich hosts an inspiring international trade fair and a technical conference that together draw over 1100 exhibitors and 25,000 researchers and professionals in lasers and optics.


Fluorescence spectroscopy method charts protein networks in living cells


A team of researchers has developed a fluorescence spectroscopy-based method to study the behavior of proteins in living cells.

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NIST Traceable Spectral Responsivity Calibration of Photodiode Detectors

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