Category Archives: The Instrument

MISANS looking at water

Posted on 03/01/2020 by Jeroen Plomp

In the week of the 9th of December 2019 we had the opportunity to measure a “MIEZE” signal within a SANS measurement -> MISANS. With this technique we are able to look into the self-diffusion of water.  So within the … Continue reading →

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Larmor celebration at ISIS, closure of project

Posted on 05/09/2019 by Jeroen Plomp

On the 27th of August a group of 13 traveled to ISIS to participate in the celebration of the closure of the Larmor project. In the evening there was a diner at the Cosener’s house in Abingdon. The next day … Continue reading →

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Combining SANS and Diffraction: a breakthrough!

Posted on 13/06/2018 by Katia Pappas

The collaboration between TU Delft and ISIS has recently delivered a new high angle bank for Larmor which has now been used for the first time June 2018. The Figures below show preliminary results of a simultaneous SANS and diffraction … Continue reading →

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Impression of LARMOR instrument in SESANS mode

Posted on 09/10/2017 by Jeroen Plomp

Here an impression of the instrument in SESANS mode, mid September 2017.  

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LARMOR Meeting at Beatrixgebouw Jaarbeurs, Utrecht, September 27th 2017

Posted on 04/09/2017 by Katia Pappas

Following the first calls of proposals a meeting is organised at the Beatrixgebouw Jaarbeurs, in Utrecht, September 27th 2017. Registration is open at : https://www.aanmelder.nl/96671/subscribe. The program  includes a general introduction to the instrument and beam-time access procedures as well as a series of scientific pitches on scientific applications … Continue reading →

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The Instrument

Posted on 03/11/2011 by Jeroen Plomp

LARMOR is one of the four “phase 2” instruments planned to be built at the Second Target Station of the UK spallation source ISIS. The go ahead for these instruments came March 2011, with the allocation of 21M£. LARMOR will … Continue reading →

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MISANS

Posted on 25/10/2011 by Jeroen Plomp

The Modulated Intensity Small Angle Neutron Scattering option. We modulate the polarization as function of time upstream of the sample. MISANS uses only the resonant flippers in front of the sample, driven at different frequencies, which leads to a high-frequency … Continue reading →

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TOFLAR

Posted on 25/10/2011 by Jeroen Plomp

The Time Of Flight Amplitude Regulation option. An increased resolution can be measured via a Fourier  transform. TOFLAR uses only the Larmor labelling elements in front of the sample to modulate the beam as shown in the figure. In this … Continue reading →

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N(R)SE

Posted on 25/10/2011 by Jeroen Plomp

The Neutron Resonance Spin-Echo option with magnets moved to 90 degree angle.  The accepted scattered beam divergence is low.       By replacing the RF magnet systems by a combination of RF flippers and large coils we can increase … Continue reading →

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High reslolution Larmor diffraction

Posted on 25/10/2011 by Jeroen Plomp

High resolution Larmor diffraction will use the same components as SESANS but at wide-angle diffraction configuration and with the two precession fields in the same direction, shown in the figure, measuring lattice  spacings Δd/d with accuracies as high as high … Continue reading →

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