The compactness, ruggedness, high beam quality, and efficiency of fiber lasers make them attractive devices for applications in signal processing, optical communications and sensing as well as in medicine and industry. <br><br> <strong>Technology</strong><br> This multi-segment all-fiber laser includes active fiber laser segments, a first grating and a second grating as well as a coupling fiber segment arranged between the first and the second grating. The coupling fiber segment enables the coupling of gain and phase between the two gratings with the gain and/or phase being controllable. Preferably, the first and the second grating are distributed feed-back (DFB) grating structures. This all-fiber laser emits well-defined optical pulses and/or pulse trains of well-defined but adjustable wavelength.<br><br> <strong>Benefits</strong><br>
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Low-vibration sample holder for cryo fluorescence microscopic applications
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Variable number of threads in braiding machines
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In an experiment at the Department of Energy's SLAC National Accelerator Laboratory, scientists precisely measured the temperature and structure of aluminum as...
The IPH presents a solution at HANNOVER MESSE 2015 to make ship traffic more reliable while decreasing the maintenance costs at the same time. In cooperation with project partners, the research institute from Hannover, Germany, has developed a sensor system which continuously monitors the condition of the marine gearbox, thus preventing breakdowns. Special feature: the monitoring system works wirelessly and energy-autonomously. The required electrical power is generated where it is needed – directly at the sensor.
As well as cars need to be certified regularly (in Germany by the TÜV – Technical Inspection Association), ships need to be inspected – if the powertrain stops...
When an earthquake hits, the faster first responders can get to an impacted area, the more likely infrastructure--and lives--can be saved.
The Atlantic overturning is one of Earth’s most important heat transport systems, pumping warm water northwards and cold water southwards. Also known as the Gulf Stream system, it is responsible for the mild climate in northwestern Europe.
Scientists now found evidence for a slowdown of the overturning – multiple lines of observation suggest that in recent decades, the current system has been...
Because they are regularly subjected to heavy vehicle traffic, emissions, moisture and salt, above- and underground parking garages, as well as bridges, frequently experience large areas of corrosion. Most inspection systems to date have only been capable of inspecting smaller surface areas.
From April 13 to April 17 at the Hannover Messe (hall 2, exhibit booth C16), engineers from the Fraunhofer Institute for Nondestructive Testing IZFP will be...
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