More Test & Measurement Articles

Single-shot cross-correlator has >1010 dynamic range


Scientists have developed a single-shot cross-correlator (SSCC) that permits pulse-contrast measurement with a dynamic range higher than 1010.

Ponderomotive spectroscopy improves molecular and atomic studies


University of Michigan physicists have demonstrated "ponderomotive spectroscopy"--a new tool that allows them to study and control matter with 1000X better resolution and precision.

Spectrometer from SphereOptics can be handheld and identify spectral signatures from 350 to 2500 nm


The QualitySpec Trek handheld spectrometer from ASD designed for applications including academic research, quality control, material analysis, surface inspection, and classification.

Atomic force microscope from Bruker developed for integration with inverted optical microscope


BioScope Resolve atomic-force microscope provides single-button imaging and a quantitative nanomechanics package to map the surfaces of soft biological samples.

He-Ne lasers meet metrology challenges at PTB


LASOS developed custom He-Ne lasers for Germany’s National Metrology Institute, PTB.


IR pyrometers from Ametek Land come in 8 models with a temperature measurement range from 250 to 1800C


SPOT non-contact infrared pyrometers come in a choice of wavelengths. They offer Ethernet, Modbus TCP, analog inputs and outputs, and alarm contacts.

Photodiode from Opto Diode detects energy from 1 to 1000 nm wavelengths


The SXUV300C photodiode has a 22.05 × 15.85 mm rectangular active area and has a sizable surface for handling reflective scatter measurements.

Vacuum blackbodies from HGH Infrared Systems provide radiometric calibration over 3 to 5 or 8 to 14 micron


Vacuum blackbodies are infrared reference sources that operate in a vacuum chamber at cryogenic or ambient temperatures.

Video measuring microscope from Mahr Federal features image processing capability


The MarVision QM 300 video measuring microscope incorporates a CCD color camera with a 23-in. touchscreen PC and M3 software.

Cherenkov effect improves optical dosimetry for safer cancer therapy

Cherenkov effect improves optical dosimetry for safer cancer therapy


The Cherenkov effect can be measured and used in optical dosimetry to make cancer therapies safer and more effective.

NIST to offer laser-interferometric calibration service for accelerometers

NIST to offer laser-interferometric calibration service for accelerometers


NIST's accelerometer-calibration service will have a sensitivity of a few nm and can measure at frequencies up to 50 kHz.

Laser Marketplace Seminar: Morning Highlights

Laser ablation of coralline alga helps characterize ocean acidification

Laser ablation of coralline alga helps characterize ocean acidification


pH values of the northern Pacific ocean over the past 120 years are being measured with a monthly resolution.

Innovation Awards deadline extended to March 2nd; CLEO exhibitors enter now!

02/24/2015 The submission deadline has been extended to Monday, March 2nd for the CLEO/Laser Focus World Innovation Awards.

Si-Ware MEMS sensors chosen for spectrometer-based soil analysis


Si-Ware Systems has had its MEMS spectral sensors chosen by Dutch Sprouts for use in its NIR portable spectrum analyzers.

MAP-2 second-generation NIST program accurately characterizes lighting LEDs

MAP-2 second-generation NIST program accurately characterizes lighting LEDs


For LED characterization, NIST has begun offering customers the second generation of its SSL Measurement Assurance Program.

CLEO/LFW Innovation Award deadline is Monday; enter now!


Deadline for the prestigious CLEO/LFW Innovation Awards program is Monday, February 23, 2015. Enter now!

Laser frequency comb in single-mode fiber can aid search for exoplanets (with video)

Laser frequency comb in single-mode fiber can aid search for exoplanets (with video)


A solar telescope can be combined with a laser frequency comb to allow spectral analysis of distant stars.

Squamous cell carcinoma (a type of skin cancer) showing different areas of ablation treatment (numbered)

Raman spectroscopy following laser ablation shows promise for cancer surgery


Researchers used Raman spectroscopy to distinguish normal from cancerous skin tissue following high-powered laser ablation.

Minus K announces academic vibration isolator giveaway


Minus K is again giving away $20,000 worth of patented negative-stiffness-mechanism vibration isolators to colleges and universities within the US.

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