/******************************************************************************* * Instrument: Test_mirror_parabolic * * %I * Written by: Erik B Knudsen (erkn@fysik.dtu.dk) * Date: Jan '21 * Origin: DTU Physics * Version: 1.0 * %INSTRUMENT_SITE: Tests * * Unit test instrument for Mirror_parabolic * * %D * This is a test instrument for Mirror parabolic. A collimated beam impinges on a * with normal incidence on a parabolic mirror, is reflected to the focal point, and * back to flat detector some distance, D, away. * * %Example: D=0.0025 MM=1 Detector: detBB=1 * %Example: D=1 MM=1 Detector: detBB=0.104959 * * %P * D: [m] Distance between mirror apex and detector plane. * MM: [ ] Flag to deactivate the mirror. * * %E *******************************************************************************/ DEFINE INSTRUMENT Test_mirror_parabolic(D=1,MM=1) DECLARE %{ %} USERVARS %{ double bounce; %} INITIALIZE %{ %} TRACE COMPONENT origin = Progress_bar() AT (0, 0, 0) RELATIVE ABSOLUTE // insert components here (e.g. Insert -> Source -> ...) COMPONENT source = Source_div( focus_aw=0, focus_ah=0, xwidth=0.1, yheight=0.5e-2, E0=12, dE=1) AT (0, 0, 0) RELATIVE origin COMPONENT m2 = Mirror_parabolic( b=0.1, a=0, xwidth=0.2, zdepth=0.01, R=1) WHEN(MM==1) AT(0,0,5) RELATIVE origin ROTATED (-90,0,0) RELATIVE origin EXTEND %{ bounce=SCATTERED; %} COMPONENT det_a = Arm() AT(0,0,0) RELATIVE m2 ROTATED (-90,0,0) RELATIVE m2 COMPONENT fpi = PSD_monitor_4PI(restore_xray=1,radius=1, filename="fpi", restore_xray=1) AT(0,0,0) RELATIVE PREVIOUS COMPONENT det = PSD_monitor(xwidth=0.21, yheight=0.21, nx=201, ny=201,filename="det", restore_xray=1) AT(0,0,D) RELATIVE det_a COMPONENT detBB = PSD_monitor(xwidth=0.21, yheight=0.21, nx=201, ny=201,filename="detBB") AT(0,0,D) RELATIVE det_a COMPONENT detBB_dbl = PSD_monitor(xwidth=0.21, yheight=0.21, nx=201, ny=201,filename="detBB_dbl") WHEN(bounce>1) AT(0,0,D) RELATIVE det_a COMPONENT det_div = Monitor_nD(xwidth=0.21,yheight=0.21,options="ydiv auto", filename="det_BB_div", bins=201) AT(0,0,0) RELATIVE PREVIOUS FINALLY %{ %} END