VERS 50504 358 2006 MODE SEQ NAME Gaussian beam for trials of apodisation NOTE 0 Computing a Gaussian beam by normal ray-tracing NOTE 4 NOTE 0 (1) A Gaussian beam is focused in this example, showing that we can compute the Gaussian irradiance profile at that image or waist by the Huygens method. NOTE 4 NOTE 0 (2) The Gaussian beam is launched as an apodised entrance pupil. See Gen/Aperture. The AMPLITUDE apodisation factor is 2, so the INTENSITY of the illumination falls to 1/e^4, about two per cent of the NOTE 0 central intensity at truncation (43.8 mm). This suppresses the first Airy ring. Try factors of 1.0 (13.5 per cent of the central intensity at truncation) and 0.5 (36.8 per cent). Then the first Air NOTE 0 y ring begins to appear. The example lens operating at f/1 was proposed for use with a high-power laser in particle physics. UNIT MM X W X CM ENPD 4.380000000000E+001 PUPD 5.235857924444E+001 4.380000000000E+001 GFAC 2.000000000000E+000 1 GCAT RAD_HARD RAIM 1.0E-8 0 1 1 0 0 0 0 PUSH 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0 SDMA 1.000000000000E+001 1 0.000000000000E+000 FTYP 0 0 1 1 0 0 ROPD 2 PICB 1 XFLD 0.000000000000E+000 XFLN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 YFLD 0.000000000000E+000 YFLN 0.000000000000E+000 3.000000000000E-001 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 FWGT 2.000000000000E+000 FWGN 2.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 ZVDX 0.000000000000E+000 VDXN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 ZVDY 0.000000000000E+000 VDYN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 ZVCX 0.000000000000E+000 VCXN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 ZVCY 0.000000000000E+000 VCYN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 ZVAN 0.000000000000E+000 VANN 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 0.000000000000E+000 WAVL 5.320000000000E-001 WAVN 5.320000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 5.500000000000E-001 WWGT 1.000000000000E+000 WWGN 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 1.000000000000E+000 WAVM 1 5.320000000000E-001 1.000000000000E+000 WAVM 2 5.500000000000E-001 1.000000000000E+000 WAVM 3 5.500000000000E-001 1.000000000000E+000 WAVM 4 5.500000000000E-001 1.000000000000E+000 WAVM 5 5.500000000000E-001 1.000000000000E+000 WAVM 6 5.500000000000E-001 1.000000000000E+000 WAVM 7 5.500000000000E-001 1.000000000000E+000 WAVM 8 5.500000000000E-001 1.000000000000E+000 WAVM 9 5.500000000000E-001 1.000000000000E+000 WAVM 10 5.500000000000E-001 1.000000000000E+000 WAVM 11 5.500000000000E-001 1.000000000000E+000 WAVM 12 5.500000000000E-001 1.000000000000E+000 WAVM 13 5.500000000000E-001 1.000000000000E+000 WAVM 14 5.500000000000E-001 1.000000000000E+000 WAVM 15 5.500000000000E-001 1.000000000000E+000 WAVM 16 5.500000000000E-001 1.000000000000E+000 WAVM 17 5.500000000000E-001 1.000000000000E+000 WAVM 18 5.500000000000E-001 1.000000000000E+000 WAVM 19 5.500000000000E-001 1.000000000000E+000 WAVM 20 5.500000000000E-001 1.000000000000E+000 WAVM 21 5.500000000000E-001 1.000000000000E+000 WAVM 22 5.500000000000E-001 1.000000000000E+000 WAVM 23 5.500000000000E-001 1.000000000000E+000 WAVM 24 5.500000000000E-001 1.000000000000E+000 PWAV 1 POLS 1 0.000000000000E+000 1.000000000000E+000 0.000000000000E+000 0.000000000000E+000 1 0 GLRS 2 0 GSTD 0 100.00000 100.00000 100.00000 100.00000 100.00000 100.00000 0 1 1 0 0 NSCD 100 500 0.000000000000E+000 1.000000000000E-006 5 1.000000000000E-006 0 0 0 0 0.000000000000E+000 0 COFN COATING.DAT SCATTER_PROFILE.DAT ABG_DATA.DAT PROFILE.GRD SURF 0 TYPE STANDARD CURV 0.000000000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 MIRR 2 0.000000000E+000 SLAB 9 DISZ INFINITY DIAM 0.000000000000E+000 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 1 TYPE STANDARD CURV 0.000000000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 MIRR 2 0.000000000E+000 SLAB 1 DISZ 3.000000000000E+001 DIAM 0.000000000000E+000 1 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 2 TYPE STANDARD CURV 9.857584735450000300E-003 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 MIRR 2 0.000000000E+000 SLAB 2 DISZ 8.022322973702E+000 GLAS SF6G05 0 0 1.69476336 30.69313039 0.00400000 0 0 0 0.00000000 0.00000000 DIAM 2.409000000000E+001 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 3 TYPE STANDARD CURV -3.314565600605999900E-004 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 MIRR 2 0.000000000E+000 SLAB 4 DISZ 7.842773253063E+000 DIAM 2.348511619485E+001 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 4 TYPE STANDARD CURV -2.385462857577000000E-002 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 MIRR 2 0.000000000E+000 SLAB 5 DISZ 1.201156046630E+001 GLAS SF6G05 0 0 1.80906130 25.27727355 0.00000000 0 0 0 0.00000000 0.00000000 DIAM 2.300222315603E+001 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 5 TYPE STANDARD CURV -2.160924065244000000E-002 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 MIRR 2 0.000000000E+000 SLAB 3 DISZ 9.970249829806E-001 DIAM 2.502075439998E+001 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 6 STOP TYPE STANDARD CURV 2.672765637387999900E-002 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 MIRR 2 0.000000000E+000 SLAB 6 DISZ 9.338429301364E+000 GLAS SF6G05 0 0 1.80906130 25.27727355 0.00000000 0 0 0 0.00000000 0.00000000 DIAM 2.042790006638E+001 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 7 TYPE STANDARD CURV 8.088263905284999800E-003 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 MIRR 2 0.000000000E+000 SLAB 11 DISZ 4.663050895709E+000 DIAM 2.052456131182E+001 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 8 TYPE STANDARD CURV -1.027600178866000000E-002 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 MIRR 2 0.000000000E+000 SLAB 10 DISZ 1.198854084385E+001 GLAS SF6G05 0 0 1.80906130 25.27727355 0.00000000 0 0 0 0.00000000 0.00000000 DIAM 1.945276336905E+001 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 9 TYPE STANDARD CURV -1.046143306058000000E-002 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 MIRR 2 0.000000000E+000 SLAB 7 DISZ 2.596223416704E+001 DIAM 1.684716708194E+001 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 SURF 10 TYPE STANDARD CURV 0.000000000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 HIDE 0 0 0 0 0 0 0 0 MIRR 2 0.000000000E+000 SLAB 8 DISZ 0.000000000000E+000 DIAM 4.661494470731E-003 0 0 POPS 0 0 0 0 0 0 0 0 1 1 1.000000000000E+000 1.000000000000E+000 0 0.000000000000E+000 0.000000000000E+000 CONF 1 0 0 0 0 0 0 0 BLNK TOL TOFF 0 0 0 0 0 0 0 MNUM 1 APER 0 1 4.380000000000E+001 0 0 0 1 1 1.000000000000E+000 0.000000000000E+000 0