# na-zfilter-phase-p1p3-cycling-p3.in # approach: 48-phase cycling the first pulse, the third pulse and the receiver # spin-3/2 echo amplitude optimization # versus the third-pulse duration # in three-pulse z-filtered phase-modulated -3Q-MAS sequence, # the first-pulse duration p1 = 4 micro seconds # the second-pulse duration p2 = 4 micro seconds spinsys { channels 23Na nuclei 23Na quadrupole 1 1 1e6 1 0 0 0 } par { spin_rate 5000 variable tsw 0.25 sw 1.0e6/tsw np 17 crystal_file rep100 gamma_angles 10 proton_frequency 800e6 start_operator I1z detect_operator I1c verbose 1101 variable rf 90000 variable rf3 93000 variable p1 4 variable p2 4 } proc pulseq {} { global par maxdt $par(tsw) acq $par(ph31) pulse $par(p1) $par(rf) $par(ph1) pulse $par(p2) $par(rf) x for {set i 1} {$i < $par(np)} {incr i} { pulse $par(tsw) $par(rf3) $par(ph3) acq $par(ph31) } } proc main {} { global par foreach p {{ 0 0 270}\ { 30 0 0}\ { 60 0 90}\ { 90 0 180}\ {120 0 270}\ {150 0 0}\ {180 0 90}\ {210 0 180}\ {240 0 270}\ {270 0 0}\ {300 0 90}\ {330 0 180}\ { 0 90 0}\ { 30 90 90}\ { 60 90 180}\ { 90 90 270}\ {120 90 0}\ {150 90 90}\ {180 90 180}\ {210 90 270}\ {240 90 0}\ {270 90 90}\ {300 90 180}\ {330 90 270}\ { 0 180 90}\ { 30 180 180}\ { 60 180 270}\ { 90 180 0}\ {120 180 90}\ {150 180 180}\ {180 180 270}\ {210 180 0}\ {240 180 90}\ {270 180 180}\ {300 180 270}\ {330 180 0}\ { 0 270 180}\ { 30 270 270}\ { 60 270 0}\ { 90 270 90}\ {120 270 180}\ {150 270 270}\ {180 270 0}\ {210 270 90}\ {240 270 180}\ {270 270 270}\ {300 270 0}\ {330 270 90}} { set par(ph1) [lindex $p 0] set par(ph3) [lindex $p 1] set par(ph31) [lindex $p 2] set g [fsimpson] if [info exists f] { fadd $f $g funload $g } else { set f $g } } fsave $f $par(name).fid funload $f puts "Larmor frequency (Hz) of 23Na: " puts [resfreq 23Na $par(proton_frequency)] } # SIMP # NP=17 # SW=4000000 # TYPE=FID # DATA # 0 0 # 0.127795698 -3.33066907e-16 # 0.153849443 -1.11022302e-15 # 0.0071825619 -3.60822483e-16 # -0.326891787 -6.9388939e-16 # -0.802336705 -8.60422844e-16 # -1.33025188 -2.35922393e-16 # -1.81051246 -8.04911693e-16 # -2.16410041 -1.0269563e-15 # -2.35439796 -8.25728375e-16 # -2.39152474 -6.66133815e-16 # -2.3208468 -6.52256027e-16 # -2.20201985 -6.10622664e-16 # -2.08685205 -4.71844785e-16 # -2.00313094 -1.05471187e-15 # -1.94858498 -6.66133815e-16 # -1.89563253 -9.35015954e-16 # END