# al-zfilter-phase-p1p3-cycling-p2.in # approach: 48-phase cycling the first pulse, the third pulse and the receiver # spin-5/2 echo amplitude optimization # versus the second-pulse duration # in three-pulse z-filtered phase-modulated +3Q-MAS sequence, # the first-pulse duration p1 = 4 micro seconds # the third-pulse duration p3 = 2 micro seconds spinsys { channels 27Al nuclei 27Al quadrupole 1 2 3e6 0 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 p3 2 } proc pulseq {} { global par maxdt $par(tsw) pulse $par(p1) $par(rf) $par(ph1) store 10 reset acq $par(ph31) for {set i 1} {$i < $par(np)} {incr i} { reset prop 10 pulse [expr ($i)*$par(tsw)] $par(rf) x pulse $par(p3) $par(rf3) $par(ph3) acq $par(ph31) } } proc main {} { global par foreach p {{ 0 0 270}\ { 30 0 180}\ { 60 0 90}\ { 90 0 0}\ {120 0 270}\ {150 0 180}\ {180 0 90}\ {210 0 0}\ {240 0 270}\ {270 0 180}\ {300 0 90}\ {330 0 0}\ { 0 90 0}\ { 30 90 270}\ { 60 90 180}\ { 90 90 90}\ {120 90 0}\ {150 90 270}\ {180 90 180}\ {210 90 90}\ {240 90 0}\ {270 90 270}\ {300 90 180}\ {330 90 90}\ { 0 180 90}\ { 30 180 0}\ { 60 180 270}\ { 90 180 180}\ {120 180 90}\ {150 180 0}\ {180 180 270}\ {210 180 180}\ {240 180 90}\ {270 180 0}\ {300 180 270}\ {330 180 180}\ { 0 270 180}\ { 30 270 90}\ { 60 270 0}\ { 90 270 270}\ {120 270 180}\ {150 270 90}\ {180 270 0}\ {210 270 270}\ {240 270 180}\ {270 270 90}\ {300 270 0}\ {330 270 270}} { 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 27Al: " puts [resfreq 27Al $par(proton_frequency)] } # SIMP # NP=17 # SW=4000000 # TYPE=FID # DATA # 0 0 # 0.184807329 0.0197118085 # -0.410359356 0.0423285966 # -0.283930032 0.0577404838 # 1.22507496 0.0592309482 # 3.66077943 0.0484154985 # 6.29791325 0.0292606439 # 8.60238616 0.00167450905 # 9.9042556 -0.0329846857 # 9.19752393 -0.0636314479 # 5.79335662 -0.0747252942 # 0.209245772 -0.0608686767 # -5.90001434 -0.031549143 # -10.8831412 0.000166525677 # -14.0540888 0.0295769204 # -15.5133137 0.0574262637 # -15.4382008 0.0792932812 # END