Difference between revisions of "Chopper Parameters"

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These have following parameters:  
 
These have following parameters:  
(1)    MERLIN FERMI chopper
 
  
Radius of curvature =1.3 meter=1300mm
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{| class="wikitable" style="color:blue;
 
+
| Chopper
Width of slits is 2.30 mm
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| Curvature Radius (mm)
 
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| Slit width (mm)
Absorber thickness is 0.55 mm
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| Absorber Thickness (mm)
 
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| Total Package Thickness (mm)
Total thickness of package is 98mm
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|-
 
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| Fermi Chopper:
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| 1300
 
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| 2.30
(2)    MERLIN-Gd chopper
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| 0.55
 
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| 98.
Radius of curvature =infinity
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|-
 
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| Gd Chopper:
Width of slits is  0.2 mm
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| Inf
 
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| 0.2
Gd-Absorber thickness is 20 micro-meter=0.02mm
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| 0.02
 
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| 10.
Total thickness of package is 10mm
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|}

Revision as of 12:15, 17 March 2016

MARI Choppers

MARI uses range of Fermi choppers with the following parameters:

 Length of slits: 100mm
 Slats: Boron fibre reinforced resin
 Slits: Hollow aluminium frame

Other parameters:

Chopper Curvature Radius (mm) Slit width (mm) Slat width (mm)
Chopper A (500mEv): 1300 0.76 0.55
Chopper B (200mEv): 820 1.14 0.55
Chopper С (100mEv): 580 1.52 0.55
Chopper В (50mEv): 410 1.52 0.55
Chopper S (Sloppy): 1300 2.28 0.55

MERLIN Choppers

These have following parameters:

Chopper Curvature Radius (mm) Slit width (mm) Absorber Thickness (mm) Total Package Thickness (mm)
Fermi Chopper: 1300 2.30 0.55 98.
Gd Chopper: Inf 0.2 0.02 10.