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Small pulsed organic laser is highly efficient

An organic optically pumped solid-state laser called a vertical external-cavity surface-emitting organic laser, developed at the Laboratoire de Physique des Lasers at Université Paris, produces a high-quality beam at a conversion efficiency of 43%.

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2.8 fs deep-UV pulses are spectroscopist's tool

Femtosecond and attosecond light pulses are now allowing scientists to deeply explore the workings of atoms, molecules, and nanoparticles.

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Large-area photoconductive emitters improve terahertz source efficiency

Large-area photoconductive emitters with high conversion efficiency and the generation of intense terahertz radiation without biasing based on the photo-Dember effect overcome the limits of available photoconductive-antenna-based terahertz sources.

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Shifting semiconductor laser wavelengths poses challenges

Nonlinear optics can generate new lines from semiconductor lasers by harmonic generation and frequency mixing, but it requires high power, good beam quality, and narrow linewidth.

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Structured fiber advances short-pulse laser performance

Chirally coupled core fiber enables scaling of single-mode fiber core size—essential for the high peak power laser operation needed in high-precision materials processing applications.

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Zinc-oxide materials and their alloys redefine UV sensing

Zinc oxide and its alloy MgZnO are emerging as promising UV-sensing candidates due to their direct wide bandgap and the ability to tailor their electronic, magnetic, and optical properties.

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New techniques boost photovoltaic efficiency

Developers are exploring new solar cell designs and structures, which they hope can give a big boost to energy conversion efficiency.

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Early cancer diagnosis--the next-best thing to a cure

Methods for early and accurate cancer diagnosis are finally emerging from the laboratory, thanks to the latest optical and photonic innovations.

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Robot Guidance

System integrators are combining a variety of image sensors and robots to speed industrial automation tasks.

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Understanding image-interpolation techniques

In image processing, various methods and algorithms are used to perform detail-oriented operations on zoomed digital images.

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Capture the Speeding Web

Using a variety of CCD and CMOS imagers, linescan cameras are tackling high-speed web applications with increased accuracy.

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Camera uses depth maps to focus near and far objects

A lens can only focus at a single distance; a relatively large depth of focus allows objects to appear sharp across a range of distances from the system.

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Understanding the latest features in optical spectrum analyzers

New capabilities such as in-band OSNR and wider dynamic range are expanding the potential of OSAs in next-gen networks and extending them to other applications.

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Innovative optical systems control light in novel ways
Overview:The realm of optical systems extends far beyond the traditional setup of a series of lenses and some sort of image sensor. For example, the addition of ...
Industry White Papers

Featured White Papers

Machine Vision Assures Automotive Part Quality
“First Tier” automotive suppliers make subassemblies fromparts provided by “Second Tier” manufacturers. Thesesubassemblies – for example, ...
New Camera Interface Offers Extended Range, Lower Cost
Increasing resolution and faster frame rates have caused cameras for machine vision systems to steadily grow in their need for bandwidth. The popular Camera Link ...
The Power of Next Generation GigE Vision v1.2
In the four years since its introduction, GigE Vision has more than lived up to its promises. Not only has it seen widespread acceptance as a standard interface, ...
Vision 2009

Opto Insider Blog
Tom Hausken
by Tom Hausken

What went wrong with GSI?

What’s going to happen to GSI? GSI announced in May that it would emerge from restructuring this summer. We got some interest this summer from investors checking out the laser market. One can imagine that some pieces of GSI will get traded. There will...

DABBling
David Belforte
by David Belforte

The Korean powerhouse

After traveling 9000 miles in 16 hours, it is a bit much to present, over six days, three seminars on the current state of industrial laser material processing and to rub shoulders with CEOs of the leading South Korean laser system manufacturers. But you...

Larry's VC View
Larry Marshall
by Larry Marshall

Atlassian

There is a little Aussie startup in Sydney that bootstrapped its way to north of $50M in revenue on $10,000 borrowed from the CEO’s dad--you can do this with software, really! They just scored a massive investment from Accel, not Peter Wagner whom many of...

Working Smart in Photonics

Now that we have clean optics . . . we need to know how they work!

The assumption is . . . if you work with optics, you obviously know how they work. As crazy as it sounds, this is often not the case. For years I've given a pretest to every student I've ever taught for two primary reasons: first, if I know what...