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inel_flat_plate_v1 [2009/09/25 05:18]
ianmadsen
inel_flat_plate_v1 [2009/09/25 09:00]
johnsoevans
Line 1: Line 1:
 +====== Inel Flat Plate Correction ======
 +
 +Macro below performs corrections necessary for an inel flat plate system.
 +
 <code topas> <code topas>
-macro INEL_FLAT_PLATE_V1(alpha, alpha_val, sd, sd_val)+macro Inel_Flat_Plate_V1(alpha, alpha_val, sd, sd_val)
  ' Version by Ian Madsen CSIRO Minerals  ' Version by Ian Madsen CSIRO Minerals
  ' Equations for correction of intensity and sample displacement for flat plate samples  ' Equations for correction of intensity and sample displacement for flat plate samples
Line 6: Line 10:
  ' Intensity correction derived from Toraya et al. (1993)  ' Intensity correction derived from Toraya et al. (1993)
  ' Sample displacement model derived by Ian Madsen  ' Sample displacement model derived by Ian Madsen
- ' ​  ​alpha = angle between incident beam and sample surface + ' alpha = angle between incident beam and sample surface 
- ' ​  ​2Theta = (alpha + beta) + ' 2Theta = (alpha + beta) 
- ' ​     where beta  = angle between diffracted beam(s) and sample surface + ' ​  ​where beta  = angle between diffracted beam(s) and sample surface 
- ' ​  ​sd = sample displacement (in same units as detector radius) + ' sd = sample displacement (in same units as detector radius) 
- ' ​  ​Rs = 250mm for the Inel CPS120 detector+ ' Rs = 250mm for the Inel CPS120 detector ​- Rs must be defined in the input file
 { {
    local alpha alpha_val    local alpha alpha_val

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