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Lasers Tech Pulse (9/30/2014)

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Photonics Media - The Pulse of the Industry

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Tuesday, September 30, 2014
Diode Lasers Break into New Wavelengths, New Applications
Diode Lasers Break into New Wavelengths, New Applications New wavelengths, new production technologies and microassembly are all expected to help extend the reach of diode lasers in the future.
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Had a few too many? A laser is waiting for you.
An intelligent laser system can detect alcohol vapors in moving cars even before an officer has pulled over the vehicle.
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Mid-IR Semiconductor Lasers Enable Sensors for Trace-Gas-Sensing Applications
Commercial and research QCL sources can target strong fundamental rotational-vibrational gas absorption lines in the mid-IR spectral range and pure rotational lines in the terahertz range that are one to two orders of magnitude stronger than overtone transitions in the NIR.
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Laser Wavelength Meters Laser Wavelength Meters
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The best way to determine the absolute wavelength of CW lasers is with the 621 Series Laser Wavelength Meter. This system provides real-time wavelength information measured to an accuracy as high as ± 0.2 parts per million. This accuracy is guaranteed by continuous calibration with a built-in wavelength standard which ensures the reliable accuracy that is needed to generate the most meaningful experimental results.
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Lasers Power Improved Materials Processing
Lasers Power Improved Materials Processing No matter the material, manufacturing fine features can often be improved with the use of sufficiently short pulses. A look at several examples shows how lasers are enabling advanced materials processing, although challenges remain.
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Laser Mirror Counteracts Deformation
When photons push against mirrors inside laser cavities, the mirrors get deformed. But scientists now have a way to push back.
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Diamond Enhances Laser Beams
A team from Macquarie University’s Photonics Research Center has discovered how to increase the quality of high-power laser beams by exploiting the optics of an 8-mm diamond.
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