More Test & Measurement Articles

Photon Systems Deep-UV NeCu laser to power Mars 2020 Raman fluorescence instrument

08/11/2014 A narrow-linewidth, deep-UV laser developed by Photon Systems is at the heart of the Scanning Habitable Environments with Raman & Luminescence for Organics & Chemicals (SHERLOC) instrument that was selected by NASA for ...

SPIE Optics + Photonics product preview: Optics and photonics to proliferate on exhibit floor


The SPIE Optics + Photonics 2014 exhibition, set to take place August 19-21, 2014, in San Diego, CA, will host 181 companies that will showcase their products and solutions.

Pen-sized device employs spectroscopy methods to boost skin cancer detection


A team of researchers has designed a noninvasive, low-cost probe that employs a combination of spectroscopy methods to reduce unnecessary biopsies.

Photonics Applied: Energy: Multivariate optical computing enables accurate harsh-environment sensing for the oil and gas industry

08/06/2014 Multivariate optical computing, an all-optical technique for analog calculation, allows simple, robust chemical measurements of fluid samples, enabling in situ determination of sample parameters for the oil and gas industry.

Commercializing light-based technologies


The benefits of turning optical research into tools that help society are nowhere more obvious than in the life sciences, especially in applications of biomedicine and bioimaging.

Femtosecond IR laser setup helps explain how DNA avoids damage from UV light


Thanks to an ultrafast laser setup, an international team of researchers has found how DNA responds when exposed to ultraviolet (UV) light.

Ambient speech is recovered from video of a bag of chips

Ambient speech is recovered from video of a bag of chips

08/05/2014 In a technical paper to be presented at SIGGRAPH 2014 (10-14 Aug. 2014; Vancouver, BC, Canada), researchers at the Massachusetts Institute of technology's Computer Science and Artificial Intelligence Laboratory (MIT CSAIL; Bost...

Process Sensors offers pyrometers with fixed focus optics


PSC-SR54N and PSC-SR54NV pyrometers offer fixed focus optics with small spot sizes, digital RS485 communication interface, and analog 4–20 mA output.

Mahr Federal optical surface measurement systems deliver subnanometer resolution


Two new optical surface measuring systems provide non-contact 3D scanning and evaluation of surface details with subnanometer resolution.

Spectroscopy techniques assist in revealing how potential HIV drug destroys the virus

08/01/2014 Building on 15 years of work, a team of researchers used advanced spectroscopy techniques to help them determine the mechanism behind the action of the HIV drug they developed, which they believe could help them develop better ...

Business Forum: Collaboration is key to success in biophotonics


The juncture of higher education and entrepreneurship is especially relevant in biophotonics. Prof. David R. Walt discusses these two universes and how they mutually benefit each other.

When optically pumped from afar, tiny rhodamine-doped lasing domes serve as remote wall-mounted temperature sensors

07/31/2014 Two researchers at the Microsystems Research Laboratory of Southern Methodist University (Dallas, Texas) have created very small (110-μm-diameter) dome-shaped doped optical resonators that, when optically pumped remotely by a Q...
NIST/Caltech demo first all-optical control on 'comb on a chip' atomic clock

NIST/Caltech demo first all-optical control on 'comb on a chip' atomic clock

07/30/2014 Researchers from the National Institute of Standards and Technology (NIST; Boulder, CO) and California Institute of Technology (Caltech; Pasadena, CA) have reported the first all-optical control of a silicon-chip-based microres...

Conference Preview: Strategies in Biophotonics to meld technology development and commercialization themes

07/29/2014 Strategies in Biophotonics is a two-and-a-half-day event that will include keynotes, conference sessions, and an exhibition. Point-of-care medical technology -- a burgeoning field that offers potentially huge business opportuni...

Fiber-optic spectrograph enables Google street view of galaxies


A new instrument based on bundles of optical fibers is giving Australian astronomers the first 'Google street view' of the cosmos--incredibly detailed views of huge numbers of galaxies.

Hooked onto glasses, small optical pupillometer aims to to detect diabetic autonomic neuropathy sooner

Hooked onto glasses, small optical pupillometer aims to detect diabetic autonomic neuropathy sooner

07/28/2014 A group of Taiwanese researchers has developed a wearable optical pupillometer that can automatically detect an early complication of diabetes (autonomic neuropathy, or damage to the involuntary nervous system) sooner, when it ...

Point-by-point UV exposure makes optimum fiber-optic long-period gratings


Researchers at Cranfield University have developed a process to reproducibly fabricate long-period gratings (LPGs) with phase-matching at the turning point.

Strategies in Biophotonics announces keynote speaker lineup


The impressive keynote speaker lineup for Strategies in Biophotonics includes Robert S. Langer, Greg Olsen, Gregory Altshuler, and Aydogan Ozcan.

Raman technique could lead to much higher-speed cell and tissue imaging

07/22/2014 A research team from the National Institute of Standards and Technology (NIST), working with the Cleveland Clinic, has demonstrated a dramatically improved technique for analyzing biological cells and tissues based on character...

Fluorescence-based biosensor can diagnose Type 1 diabetes at low cost

07/22/2014 Researchers have developed a fluorescence- and microchip-based biosensor device for diagnosing Type 1 diabetes that could improve patient care worldwide and help researchers better understand the disease. What's more, the ...

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 ...

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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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