55 Current news about the topic light sources

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New light source: A million times brighter than the sun

PhD thesis investigated application of a special white-light laser for semiconductor industry and microbiology

14-Feb-2022

A new high-performance white-light laser is expected to speed up quality control in the semiconductor industry and provide closer monitoring of toxicity tests in microbiology. In one step, this laser enables the two-sided characterization of surfaces and can be integrated into production chains. ...

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Innovative sensing technique could improve greenhouse gas analysis

Innovative sensing technique could improve greenhouse gas analysis

12-Oct-2018

An international team of researchers has used an unconventional imaging technique known as ghost imaging to make spectroscopic measurements of a gas molecule. The new approach by scientists at Tampere University of Technology in Finland, the University of Eastern Finland and the University of ...

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Quantum Dot White LEDs Achieve Record Efficiency

16-Jul-2018

Researchers have demonstrated nanomaterial-based white-light-emitting diodes (LEDs) that exhibit a record luminous efficiency of 105 lumens per watt. Luminous efficiency is a measure of how well a light source uses power to generate light. With further development, the new LEDs could reach ...

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Capturing light in a waveguide array

07-Jun-2018

Cheaper and more efficient photonic devices, such as lasers, optical fibers, and other light sources may be possible with confined light that is unaffected by imperfections in the material that confines it, according to new research. A team of physicists from Penn State, the University of ...

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Tech bends light more efficiently, offers wider angles for light input

11-May-2018

Engineering and physics researchers at North Carolina State University have developed a new technology for steering light that allows for more light input and greater efficiency - a development that holds promise for creating more immersive augmented-reality display systems. At issue are ...

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Molecules Brilliantly Illuminated

25-Apr-2018

Molecules are the building blocks of life. Like all other organisms, we are made of them. They control our biorhythm, and they can also reflect our state of health. Researchers at the Laboratory for Attosecond Physics (LAP) – a joint venture between Ludwig-Maximilians-Universität (LMU) and the ...

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A Keen Sense for Molecules

27-Feb-2018

Laser physicists from the Laboratory of Attosecond Physics at the Ludwig-Maximilians-Universität and the Max Planck Institute of Quantum Optics have developed an extremely powerful broadband infrared light source. This light source opens up a whole new range of opportunities in medicine, life ...

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A new way of generating ultra-short bursts of light

08-Feb-2018

Although critical for varied applications, such as cutting and welding, surgery and transmitting bits through optical fiber, lasers have some limitations - namely, they only produce light in limited wavelength ranges. Now, researchers from the Ginzton Lab at Stanford University have modified ...

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New microscopic technique could help detect, diagnose metastatic melanomas

08-May-2017

The fight against skin cancer just got a new weapon. For years, melanoma researchers have studied samples that were considered uniform in size and color, making them easier to examine by more conventional means. But melanomas don't always come in the same shape and hue; often, melanomas are ...

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China develops world's brightest VUV free electron laser research facility

16-Jan-2017

A team of Chinese scientists announced on Jan. 13 that they have developed a new bright VUV FEL light source, the Dalian Coherent Light Source (DCLS), which can deliver world's brightest FEL light in an energy range from 8 to 24 eV, making it unique of the same kind that only operates in the VUV ...

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