Dean Whittaker at 15:46, 4 August 2008

2008-08-04T15:46:58Z

Dean Whittaker at 13:53, 3 April 2008

2008-04-03T13:53:21Z

New page

==Structure==

The elements of the object are as follows:

{| {{Tablestyle}}
|-
! {{Headcellstyle}} | Field
!{{Headcellstyle}} | Type
! {{Headcellstyle}} | Description
|-
|name || char || Name of the slit package eg. sloppy
|-
| distance || real || Distance of the package from the sample (m)
|-
| frequency || real || Frequency of rotation (Hz)
|-
| period|| real || Period of chopper rotation (s) (1/frequency)
|-
| radius || real || moderator thickness (m)
|-
| curvature || real || angle of normal to incident beam (rad)
|-
| slit_width || real || Slit width (m) (fermi)
|-
| slit_spacing || real || Spacing between slit centres (m)
|-
| blade_width || real || Thickness of neutron absorbing slat
|-
| width || real || Width of aperture (m)
|-
| height || real || Height of aperture (m)
|-
| energy || real || Energy of neutrons transmitted by chopper (meV)
|}

==F90 syntax==

<pre>use IXMfermi_chopper

type(IXTfermi_chopper):: monochromator
type(IXTstatus):: status</pre>

==Operations==

The following operations may be performed on this data type:

*[[General Operations]]
*[[Special Subroutines]]

Class Specific Operations:

*[[IXFtransmission_fermi_chopper]]
*[[IXFtransmission_odd_fermi_chopper]]
*[[IXFvariance_fermi_chopper]]
*[[IXFvariance_odd_fermi_chopper]]

@@ Line 1: / Line 1: @@
+Nearest equivalent NeXus class: NXfermi_chopper
 ==Structure==
 The elements of the object are as follows:
@@ Line 14: / Line 13: @@
 ! {{Headcellstyle}} | Description
 |-
-|name ||	 char ||	 Name of the slit package eg. sloppy
+|'''base'''
 |-
-| distance 	|| real ||	 Distance of the package from the sample (m)
+| '''distance''' 	|| real ||	 Distance of the package from the sample (m)
 |-
-| frequency ||	 real ||	 Frequency of rotation (Hz)
+| '''frequency''' ||	 real ||	 Frequency of rotation (Hz)
 |-
-| period|| 	 real ||	 Period of chopper rotation (s) (1/frequency)
+| '''period'''|| 	 real ||	 Period of chopper rotation (s) (1/frequency)
 |-
-| radius ||	 real ||	 moderator thickness (m)
+| '''radius''' ||	 real ||	 moderator thickness (m)
 |-
-| curvature ||	 real ||	 angle of normal to incident beam (rad)
+| '''curvature''' ||	 real ||	 angle of normal to incident beam (rad)
 |-
-| slit_width 	|| real 	|| Slit width (m) (fermi)
+| '''slit_width''' 	|| real 	|| Slit width (m) (fermi)
 |-
-| slit_spacing 	|| real ||	 Spacing between slit centres (m)
+| '''slit_spacing''' 	|| real ||	 Spacing between slit centres (m)
 |-
-| blade_width 	|| real ||	 Thickness of neutron absorbing slat
+| '''blade_width''' 	|| real ||	 Thickness of neutron absorbing slat
 |-
-| width ||	 real 	|| Width of aperture (m)
+| '''width''' ||	 real 	|| Width of aperture (m)
 |-
-| height ||	 real 	|| Height of aperture (m)
+| '''height''' ||	 real 	|| Height of aperture (m)
 |-
-| energy 	|| real 	|| Energy of neutrons transmitted by chopper (meV)
+| '''energy''' 	|| real 	|| Energy of neutrons transmitted by chopper (meV)
 |}

IXTfermi chopper - Revision history

Dean Whittaker at 15:46, 4 August 2008

Dean Whittaker at 13:53, 3 April 2008