Laser Focus World Webcasts


On Demand Webcasts

Handheld Spectrometers

02/24/2015

Spectroscopy is a powerful and versatile tool that traditionally often required a large and bulky instrument. The combination of compact optics and modern packaging with powerful spectral sensors and microprocessors has allowed development of handheld spectrometers. This talk will review the basic principles, describe the range of instruments, and explain how some of them work.

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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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