Laser Focus World Webcasts


Upcoming Webcasts

Handheld Spectrometers

Date 02/24/2015

Spectroscopy can be a powerful measurement tool, and handheld spectrometers offer the ultimate in portability, so the instrument can be applied wherever measurements are necessary. Advances in microelectronics including microprocessors, CCD imaging, and smartphones can put considerable processing power into a handheld instrument. Available instruments range from low-cost add-ons to smartphones used by citizen scientists to make environmental measurements to powerful professional instruments that can perform sophisticated measurements such as Raman spectroscopy. Some are special-purpose instruments designed for particular measurements, like the color rendering index of LED lighting. Others are more general-purpose. This webcast will describe some examples of available systems and their working principles.

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On Demand Webcasts

Fracking, climate change, and lasers:  new tools to reduce fugitive methane emissions

01/28/2015

This webcast, sponsored by Hamamatsu Corporation, covers recent developments and field deployments of compact quantum-cascade-laser (QCL)-based methane sensors to quantify methane emissions from the Barnett, Marcellus, and Monterey Shales. Fugitive methane concentrations, plume sizes, and distribution of emissions rates from shale gas extraction, storage, and transmission will be presented, along with a summary of the technical and sampling challenges needed to quantify fugitive methane emissions from the lifecycle of the natural-gas supply chain.

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Opportunities in the Mid-IR

12/10/2014

The technology for exploiting the mid-IR is developing rapidly:  it includes quantum-cascade lasers and other sources, spectroscopic instruments of many types, and mid-IR imaging and detectors. Here, Claire Gmachl of MIRTHE gives an overview of mid-IR optical technology and the opportunities that arise from their development.

Please join us for this webcast sponsored by Electro Optics Technology and Hamamatsu Corporation.

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Fiber Optic Sensors – Fundamentals, Principles and Applications

12/04/2014

In this webcast, sponsored by Nufern, we focus on optical fiber sensing technology.  Fundamental concepts will be presented first, followed by the underlying principles and techniques of sensing.  Finally, selected applications will be discussed.  Prime focus will be on optical fiber, which is the key enabling component for optical fiber sensing.  Relevant fiber designs and their key characteristics for selected applications will be discussed.

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Infinite Possibilities – Easily Combining Scanner and Servo Motion

10/15/2014

High precision motion control applications such as laser micromachining, 2-photon polymerization, glass panel and film patterning, and additive manufacturing now seek to take advantage of the improved precision offered with many high-speed galvanometers. In the past, either very small fields of view had to be used to allow advanced optical configurations with these scanners, or exotic and error-inducing routines such as step-and-scan strategies would be needed to allow processing of larger work pieces. Now an advanced drawing post-processor, along with motion controller enhancements, allows simple interleaving of servo and scanner motion over large fields of view and virtually any pattern type, without the need for time-consuming optimization.

Please join us for this webcast sponsored by Aerotech, Inc.

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Solutions in Search of Problems: What Spectroscopy Can Do for You

10/07/2014

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 technologies have been applied to more challenging applications -- from monitoring patient vital signs at bedside to identifying suspicious materials on the battlefield. Join us as we explore how familiar technologies -- and new ways to exploit them -- are addressing a wider range of measurement problems. From adding wireless capabilities to your spectrometer to reducing its footprint to the size of a matchbox, new technology is inspiring innovative solutions for untapped application needs.

Please join us for this webcast sponsored by Ocean Optics.

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