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hybrid light bulb

04.01.2012

The energy-saving lamps that are now common have a significant drawback: they do not flare up immediately when turned on, since the mercury contained in the lamp must first heat up and go into a vapor state.

The American firm "General Electric" began production of light bulbs in which a miniature halogen incandescent lamp is built. It lights up immediately, and as soon as the main lamp flares up, the auxiliary goes out. So far, hybrid light bulbs are produced only in two capacities - 15 and 20 watts.

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Powerful universal ultra-fast laser pulse 03.08.2020

Researchers at the University of Rochester are setting a new standard for ultrafast laser pulses over a wider range of wavelengths than traditional laser sources.

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The device creates an ultra-fast laser pulse - on the order of femtoseconds, or one quadrillionth of a second - that breaks free from the physical limits endemic to laser light sources - what laser scientists call laser amplification - and the limits of source wavelengths.

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The pulses are characterized by a wide spectral bandwidth and a compressed pulse duration of 210 femtoseconds, which is the shortest pulse duration observed in fiber Kerr resonators to date.

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