Instantaneous trace gas fingerprint with laser frequency combs
Scientists at the MPQ record ultrasensitive absorption broadband spectra within tens of microseconds by combining cavity enhancement and frequency comb spectroscopy.
uniprotokolle,
Sun Nov 29 23:25:33 PST 2009
• Found on Yahoo! News
Spin polarization achieved in room temperature silicon
(PhysOrg.com) -- A group in The Netherlands has achieved a first: injection of spin-polarized electrons in silicon at room temperature. This has previously been observed only at extremely l...
PhysOrg,
Fri Nov 27 03:51:54 PST 2009
• Found on Yahoo! News
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• Found on Topix News