magnetic_scattrelease-4.2.2ticket-1009ticket-1249
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Last change
on this file since 5251ec6 was
5ed76f8,
checked in by Paul Kienzle <pkienzle@…>, 7 years ago
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docs: use latex in equations rather than unicode + rst markup
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File size:
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| [ec392464] | 1 | .. kiessig_calculator_help.rst |
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| 2 | |
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| 3 | .. This is a port of the original SasView html help file to ReSTructured text |
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| 4 | .. by S King, ISIS, during SasView CodeCamp-III in Feb 2015. |
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| 5 | |
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| 6 | Kiessig Thickness Calculator Tool |
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| 7 | ================================= |
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| 8 | |
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| 9 | Description |
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| 10 | ----------- |
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| 11 | |
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| [5ed76f8] | 12 | This tool estimates real space dimensions from the position or spacing of |
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| 13 | features in recipricol space. In particular a particle of size $d$ will |
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| 14 | give rise to Bragg peaks with spacing $\Delta q$ according to the relation |
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| 15 | |
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| 16 | .. math:: |
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| 17 | |
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| 18 | d = 2\pi / \Delta q |
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| 19 | |
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| 20 | Similarly, the spacing between the peaks in Kiessig fringes in reflectometry |
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| 21 | data arise from layers of thickness $d$. |
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| [ec392464] | 22 | |
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| 23 | .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ |
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| 24 | |
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| [a9dc4eb] | 25 | Using the tool |
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| 26 | -------------- |
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| [ec392464] | 27 | |
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| [5ed76f8] | 28 | To get a rough thickness or particle size, simply type the fringe or peak |
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| [1e01486] | 29 | position (in units of 1/|Ang|\) and click on the *Compute* button. |
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| 30 | |
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| 31 | .. ZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZZ |
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| 32 | |
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| [5ed76f8] | 33 | .. note:: This help document was last changed by Paul Kienzle, 05Apr2017 |
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