Quadratic mixing of radio frequency signals using superconducting quantum interference filters
The authors demonstrate quadratic mixing of weak time harmonic electromagnetic fields applied to superconducting quantum interference filters (SQIFs), manufactured from high-Tc grain boundary Josephso...
The authors demonstrate quadratic mixing of weak time harmonic electromagnetic fields applied to superconducting quantum interference filters (SQIFs), manufactured from high-Tc grain boundary Josephso...
Evidence of unquenched Re orbital magnetic moment in AA![[prime]](http://scitation.aip.org/stockgif3/prime-script.gif)
FeReO6 double perovskites
Spin and orbital magnetic moments of rhenium in AAFeReO6 double perovskites (A,A=Ba, Sr, and Ca) have been directly probed employing x-ray magnetic circular dichroism at the Re L2,3 edges. A considera...
FeReO6 double perovskitesSpin and orbital magnetic moments of rhenium in AAFeReO6 double perovskites (A,A=Ba, Sr, and Ca) have been directly probed employing x-ray magnetic circular dichroism at the Re L2,3 edges. A considera...
Modified Sagnac interferometer for high-sensitivity magneto-optic measurements at cryogenic temperatures
Appl. Phys. Lett. 89, 062508 (2006); doi:10.1063/1.2336620
Published 9 August 2006
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The authors describe a geometry for a Sagnac interferometer with a zero-area Sagnac loop for measuring the magneto-optic Kerr effect at cryogenic temperatures. The apparatus is capable of measuring absolute Kerr rotation without any modulation of the magnetic state of the sample and is intrinsically immune to reciprocal effects such as linear birefringence and thermal fluctuations. A single strand of polarization-maintaining fiber is fed into a He-3 cryostat, eliminating the need for optical viewports. With an optical power of only 10 µW, they demonstrate static Kerr measurements with a shot-noise-limited sensitivity of 1×10–7 rad/
down to 0.5 K.
©2006 American Institute of Physics
| History: | Received 24 March 2006; accepted 27 June 2006; published 9 August 2006 |
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http://link.aip.org/link/?APPLAB/89/062508/1 |
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