《自然》[Nature]12年08月16日出版pdf全文

zorro

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# K. M! N1 ?) L0 q; a2 p+ H4 b" ?        The maser is the microwave-frequency precursor of the now ubiquitous laser — or 'optical maser', as it was once known. But it has had little technological impact compared with the laser, in large part because of inconvenience: masers typically require vacuum and/or low-temperature operating conditions. Overcoming these obstacles would pave the way for significant maser-based innovations, including drastically more sensitive measurements across a range of scientific disciplines, from molecular biology to radio astronomy. And, if the history of the laser is any indication, applications not yet dreamt of. Mark Oxborrow, Jonathan Breeze and Neil Alford have now developed a solid-state room-temperature maser, based on an organic molecular crystal, that should enhance the potential of the maser as a tool for science and technology. On the cover is their maser crystal inside its sapphire ring' }; t# i7 K" y# c) q  i

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ljs

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泫之沙

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yuheng

谢谢！

leozarah

thanks
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andyz0922

nature   cell  都出来了 啊  呵呵

zb_ming

有目录没

tpwang

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