def go_to_highfield(s):
#Keep ODT on
ODT = gen.bstr('ODT',report)
if ODT == True:
s.digichg('odtttl',1)
s.wait(20.0)
ss = float(report['SEQ']['analogstepsize'])
# Cool and Compress MOT
# ENDCNC is defined as the time up to release from the MOT
motpow, repdet, trapdet, reppow, trappow, bfield, ENDCNC = cnc.cncRamps()
# Load UVMOT from CNCMOT
uvfppiezo, uvpow, motpow, repdet, trapdet, reppow, trappow, bfield, ENDUVMOT = uvcooling.uvcoolRamps(motpow, repdet, trapdet, reppow, trappow, bfield, ENDCNC)
# Set imaging values
camera = 'ANDOR'
motpow, repdet, trapdet, reppow, trappow, maxDT = cnc.imagingRamps_nobfield(motpow, repdet, trapdet, reppow, trappow, camera)
# Switch bfield to FESHBACH
overlapdt = float(report['ODT']['overlapdt'])
rampdelay = float(report['ODT']['rampdelay'])
rampbf = float(report['ODT']['rampbf'])
bf = float(report['ODT']['bf'])
feshbachdt = float(report['ODT']['feshbachdt'])
switchondt = float(report['FESHBACH']['switchondt'])
switchdelay = float(report['FESHBACH']['switchdelay'])
bias = float(report['FESHBACH']['bias'])
biasrampdt = float(report['FESHBACH']['rampdt'])
bfield.chop(ENDUVMOT-overlapdt)
bfield.appendhold(rampdelay)
bfield.linear( bf, rampbf)
bfield.extend(ENDUVMOT+feshbachdt)
bfield.linear(0.0, 0.0)
ENDBFIELD = feshbachdt
bfield.appendhold( switchondt + switchdelay)
bfield.linear(bias,biasrampdt)
rampupdt = float(report['ODT']['rampupdt'])
updt = float(report['ODT']['updt'])
overshootdt = float(report['ODT']['overshootdt'])
#~ odtpow0 = wfm.wave('odtpow', 0.0, ss)
#~ odtpow0.extend(ENDUVMOT-overlapdt-updt-rampupdt)
#~ odtpow0.odt_linear( 0.0 , f('ODT','odtpow0'), rampupdt)
#~ odtpow0.appendhold( updt)
#~ odtpow0.odt_linear(f('ODT','odtpow0'), f('ODT','odtpow'), overshootdt)
odtpow0 = wfm.wave('odtpow', f('ODT','odtpow0'), ss)
odtpow0.extend(ENDUVMOT-overlapdt)
odtpow0.odt_linear(f('ODT','odtpow0'), f('ODT','odtpow'), overshootdt)
EXTRA = max( overshootdt - (bfield.dt() - (ENDUVMOT-overlapdt-updt-rampupdt)) , 0.0)
print "...EXTRA time to allow for ODT overshoot = %f" % EXTRA
#Add waveforms to sequence
s.analogwfm_add(ss,[ motpow, repdet, trapdet, bfield, reppow, trappow, uvfppiezo, uvpow, odtpow0])
#wait normally rounds down using floor, here the duration is changed before so that
#the wait is rounded up
ENDUVMOT = ss*math.ceil(ENDUVMOT/ss)
#insert QUICK pulse for fast ramping of the field gradient
s.wait(-10.0)
quickval = 1 if gen.bstr('CNC',report) == True else 0
s.digichg('quick',quickval)
s.wait(10.0)
#insert UV pulse
uvtime = float(report['UV']['uvtime'])
s.wait(ENDCNC)
s.digichg('quick',0)
s.wait(uvtime)
#Shut down the UVAOM's and open the shutter
s.wait(-50.0)
s.digichg('uvaom1',0)
s.digichg('uvaom2',0)
s.digichg('uvshutter',1)
s.wait(50.0)
#Turn on UVAOM
s.digichg('uvaom1',1)
s.wait(-uvtime - ENDCNC)
#Go to MOT release time and set QUICK back to low
s.wait(ENDUVMOT)
s.digichg('quick',0)
#Leave UVMOT on for state transfer
fstatedt = float(report['ODT']['fstatedt'])
s.wait(fstatedt)
s.digichg('uvaom1',0)
s.wait(-fstatedt)
#RELEASE FROM MOT
waitshutter=5.0
s.wait(waitshutter)
s.digichg('uvshutter',0)
#~ s.wait(20.0)
#~ s.digichg('uvaom1',0)
#~ s.digichg('uvaom2',0)
#~ s.wait(-20.0)
s.wait(-waitshutter)
s.digichg('motswitch',0)
s.digichg('motshutter',1)
s.digichg('field',0)
#Insert ODT overlap with UVMOT and switch field to FESHBACH
overlapdt = float(report['ODT']['overlapdt'])
servodt = float(report['ODT']['servodt'])
s.wait(-overlapdt-servodt)
s.digichg('odt7595',1)
s.wait(servodt)
s.digichg('odtttl',1)
#feshbachdt = rampdelay + rampbf + holdbf
s.wait(overlapdt)
s.wait( feshbachdt )
s.digichg('feshbach',1)
#s.wait(overlapdt - feshbachdt)
#s.wait( -feshbachdt)
#s.wait(offdelay)
#s.wait(2*switchdt)
#s.wait(quickdelay)
s.wait(switchondt)
do_quick=1
s.digichg('field',1)
s.digichg('hfquick',do_quick)
s.digichg('quick',do_quick)
#Can't leave quick ON for more than quickmax
quickmax=100.
s.wait(quickmax)
s.digichg('hfquick',0)
s.digichg('quick',0)
s.wait(-quickmax)
s.wait(switchdelay+biasrampdt)
s.digichg('quick',0)
s.wait(-biasrampdt)
#s.wait(-switchdelay-quickdelay-2*switchdt-offdelay)
s.wait(-switchdelay - switchondt - feshbachdt - ss)
#At this point the time sequence is at ENDUVMOT
#This is the time until the end of the bfield ramp
#toENDBFIELD = biasrampdt + switchdelay + quickdelay + 2*switchdt + offdelay
toENDBFIELD = biasrampdt + switchdelay + switchondt + feshbachdt
return s, toENDBFIELD + EXTRA
s=gen.initial(s)
#Keep ODT on
ODT = gen.bstr('ODT',report)
if ODT == True:
s.digichg('odtttl',1)
s.wait(20.0)
ss=float(report['CNC']['cncstepsize'])
# Cool and Compress MOT
# DURATION is defined as the time up to release from the MOT
motpow, repdet, trapdet, reppow, trappow, bfield, ENDCNC = cnc.cncRamps()
# Load UVMOT from CNCMOT
uvfppiezo, uvpow, motpow, repdet, trapdet, reppow, trappow, bfield, ENDUVMOT = uvcooling.uvcoolRamps(motpow, repdet, trapdet, reppow, trappow, bfield, ENDCNC)
# Optical pumping
motpow, repdet, trapdet, reppow, trappow, bfield, ENDPUMPING= cnc.statetransfer_wprobe(motpow, repdet, trapdet, reppow, trappow, bfield)
ENDPUMPING=ENDPUMPING-ENDUVMOT
# Imaging
camera='ANDOR'
motpow, repdet, trapdet, reppow, trappow, bfield, maxDT = cnc.imagingRamps(motpow, repdet, trapdet, reppow, trappow, bfield,camera)
uvfppiezo.extend(maxDT)
uvpow.extend(maxDT)
#Add the waveforms
s.analogwfm_add(ss,[ motpow, repdet, trapdet, bfield, reppow, trappow, uvfppiezo, uvpow])
#wait normally rounds down using floor, here the duration is changed before so that
def go_to_highfield(s):
#Keep ODT on
ODT = gen.bstr('ODT',report)
if ODT == True:
s.digichg('odtttl',1)
s.wait(20.0)
ss = float(report['SEQ']['analogstepsize'])
# Cool and Compress MOT
# ENDCNC is defined as the time up to release from the MOT
motpow, repdet, trapdet, reppow, trappow, bfield, ENDCNC = cnc.cncRamps()
# Load UVMOT from CNCMOT
uvfppiezo, uvpow, motpow, repdet, trapdet, reppow, trappow, bfield, ENDUVMOT = uvcooling.uvcoolRamps(motpow, repdet, trapdet, reppow, trappow, bfield, ENDCNC)
# Set imaging values
camera = 'ANDOR'
motpow, repdet, trapdet, reppow, trappow, maxDT = cnc.imagingRamps_nobfield(motpow, repdet, trapdet, reppow, trappow, camera)
# Switch bfield to FESHBACH while UV cools in trap
overlapdt = float(report['ODT']['overlapdt'])
rampdelay = float(report['ODT']['rampdelay'])
rampbf = float(report['ODT']['rampbf'])
bf = float(report['ODT']['bf'])
holdbf = float(report['ODT']['holdbf'])
switchdt = float(report['FESHBACH']['switchdt'])
offdelay = float(report['FESHBACH']['offdelay'])
quickdelay = float(report['FESHBACH']['quickdelay'])
switchdelay = float(report['FESHBACH']['switchdelay'])
bias = float(report['FESHBACH']['bias'])
biasrampdt = float(report['FESHBACH']['rampdt'])
bfield.chop(ENDUVMOT-overlapdt)
bfield.appendhold(rampdelay)
bfield.linear( bf, rampbf)
bfield.appendhold(holdbf)
bfield.linear(0.0, 0.0)
ENDBFIELD=(rampdelay+rampbf+holdbf-overlapdt)
bfield.appendhold(-ENDBFIELD+offdelay+2*switchdt+quickdelay+switchdelay)
bfield.linear(bias,biasrampdt)
#Add waveforms to sequence
s.analogwfm_add(ss,[ motpow, repdet, trapdet, bfield, reppow, trappow, uvfppiezo, uvpow])
#wait normally rounds down using floor, here the duration is changed before so that
#the wait is rounded up
ENDUVMOT = ss*math.ceil(ENDUVMOT/ss)
#insert QUICK pulse for fast ramping of the field gradient
s.wait(-10.0)
quickval = 1 if gen.bstr('CNC',report) == True else 0
s.digichg('quick',quickval)
s.wait(10.0)
#insert UV pulse
uvtime = float(report['UV']['uvtime'])
s.wait(ENDCNC)
s.digichg('quick',0)
s.wait(uvtime)
s.digichg('uvaom1',1)
s.wait(-uvtime - ENDCNC)
#Go to MOT release time
s.wait(ENDUVMOT)
s.digichg('quick',0)
#Leave UVMOT on for state transfer
fstatedt = float(report['ODT']['fstatedt'])
s.wait(fstatedt)
s.digichg('uvaom1',0)
s.wait(-fstatedt)
#RELEASE FROM MOT
waitshutter=5.0
s.wait(waitshutter)
s.digichg('uvshutter',0)
s.wait(-waitshutter)
s.digichg('motswitch',0)
s.digichg('motshutter',1)
s.digichg('field',0)
#Insert ODT overlap with UVMOT and switch field to FESHBACH
overlapdt = float(report['ODT']['overlapdt'])
s.wait(-overlapdt)
s.digichg('odtttl',1)
s.digichg('odt7595',1)
feshbachdt = rampdelay + rampbf + holdbf
s.wait( feshbachdt )
s.digichg('feshbach',1)
s.wait(overlapdt - feshbachdt)
s.wait(offdelay)
s.wait(2*switchdt)
s.wait(quickdelay)
do_quick=1
s.digichg('field',1)
s.digichg('hfquick',do_quick)
s.digichg('quick',do_quick)
#Can't leave quick ON for more than quickmax
quickmax=100.
s.wait(quickmax)
s.digichg('hfquick',0)
s.digichg('quick',0)
s.wait(-quickmax)
s.wait(switchdelay+biasrampdt)
s.digichg('quick',0)
s.wait(-biasrampdt)
s.wait(-switchdelay-quickdelay-2*switchdt-offdelay)
#At this point the time sequence is at ENDUVMOT
#This is the time until the end of the bfield ramp
toENDBFIELD = biasrampdt + switchdelay + quickdelay + 2*switchdt + offdelay
return s, toENDBFIELD
s.digichg('hfimg',1)
#Keep ODT on
ODT = gen.bstr('ODT',report)
if ODT == True:
s.digichg('odtttl',1)
s.wait(20.0)
ss = float(report['SEQ']['analogstepsize'])
# Cool and Compress MOT
# ENDCNC is defined as the time up to release from the MOT
motpow, repdet, trapdet, reppow, trappow, bfield, ENDCNC = cnc.cncRamps()
# Load UVMOT from CNCMOT
uvfppiezo, uvpow, motpow, repdet, trapdet, reppow, trappow, bfield, ENDUVMOT = uvcooling.uvcoolRamps(motpow, repdet, trapdet, reppow, trappow, bfield, ENDCNC)
# Set imaging values
camera = 'ANDOR'
motpow, repdet, trapdet, reppow, trappow, maxDT = cnc.imagingRamps_nobfield(motpow, repdet, trapdet, reppow, trappow, camera)
#Switch bfield to FESHBACH
switchdt = float(report['FESHBACH']['switchdt'])
offdelay = float(report['FESHBACH']['offdelay'])
quickdelay = float(report['FESHBACH']['quickdelay'])
switchdelay = float(report['FESHBACH']['switchdelay'])
bias = float(report['FESHBACH']['bias'])
biasrampdt = float(report['FESHBACH']['rampdt'])
bfield.linear(0.0,0.0)
bfield.appendhold(offdelay)
bfield.appendhold(2*switchdt)
def go_to_highfield(s):
#Keep ODT on
ODT = gen.bstr('ODT', report)
if ODT == True:
s.digichg('odtttl', 1)
s.wait(20.0)
ss = float(report['SEQ']['analogstepsize'])
# Cool and Compress MOT
# ENDCNC is defined as the time up to release from the MOT
motpow, repdet, trapdet, reppow, trappow, bfield, ENDCNC = cnc.cncRamps()
# Load UVMOT from CNCMOT
uvfppiezo, uvpow, motpow, repdet, trapdet, reppow, trappow, bfield, ENDUVMOT = uvcooling.uvcoolRamps(
motpow, repdet, trapdet, reppow, trappow, bfield, ENDCNC)
# Set imaging values
camera = 'ANDOR'
motpow, repdet, trapdet, reppow, trappow, maxDT = cnc.imagingRamps_nobfield(
motpow, repdet, trapdet, reppow, trappow, camera)
# Switch bfield to FESHBACH while UV cools in trap
overlapdt = float(report['ODT']['overlapdt'])
rampdelay = float(report['ODT']['rampdelay'])
rampbf = float(report['ODT']['rampbf'])
bf = float(report['ODT']['bf'])
holdbf = float(report['ODT']['holdbf'])
switchdt = float(report['FESHBACH']['switchdt'])
offdelay = float(report['FESHBACH']['offdelay'])
quickdelay = float(report['FESHBACH']['quickdelay'])
switchdelay = float(report['FESHBACH']['switchdelay'])
bias = float(report['FESHBACH']['bias'])
biasrampdt = float(report['FESHBACH']['rampdt'])
bfield.chop(ENDUVMOT - overlapdt)
bfield.appendhold(rampdelay)
bfield.linear(bf, rampbf)
bfield.appendhold(holdbf)
bfield.linear(0.0, 0.0)
ENDBFIELD = (rampdelay + rampbf + holdbf - overlapdt)
bfield.appendhold(-ENDBFIELD + offdelay + 2 * switchdt + quickdelay +
switchdelay)
bfield.linear(bias, biasrampdt)
#Add waveforms to sequence
s.analogwfm_add(
ss,
[motpow, repdet, trapdet, bfield, reppow, trappow, uvfppiezo, uvpow])
#wait normally rounds down using floor, here the duration is changed before so that
#the wait is rounded up
ENDUVMOT = ss * math.ceil(ENDUVMOT / ss)
#insert QUICK pulse for fast ramping of the field gradient
s.wait(-10.0)
quickval = 1 if gen.bstr('CNC', report) == True else 0
s.digichg('quick', quickval)
s.wait(10.0)
#insert UV pulse
uvtime = float(report['UV']['uvtime'])
s.wait(ENDCNC)
s.digichg('quick', 0)
s.wait(uvtime)
s.digichg('uvaom1', 1)
s.wait(-uvtime - ENDCNC)
#Go to MOT release time
s.wait(ENDUVMOT)
s.digichg('quick', 0)
#Leave UVMOT on for state transfer
fstatedt = float(report['ODT']['fstatedt'])
s.wait(fstatedt)
s.digichg('uvaom1', 0)
s.wait(-fstatedt)
#RELEASE FROM MOT
waitshutter = 5.0
s.wait(waitshutter)
s.digichg('uvshutter', 0)
s.wait(-waitshutter)
s.digichg('motswitch', 0)
s.digichg('motshutter', 1)
s.digichg('field', 0)
#Insert ODT overlap with UVMOT and switch field to FESHBACH
overlapdt = float(report['ODT']['overlapdt'])
s.wait(-overlapdt)
s.digichg('odtttl', 1)
s.digichg('odt7595', 1)
feshbachdt = rampdelay + rampbf + holdbf
s.wait(feshbachdt)
s.digichg('feshbach', 1)
s.wait(overlapdt - feshbachdt)
s.wait(offdelay)
s.wait(2 * switchdt)
s.wait(quickdelay)
do_quick = 1
s.digichg('field', 1)
s.digichg('hfquick', do_quick)
s.digichg('quick', do_quick)
#Can't leave quick ON for more than quickmax
quickmax = 100.
s.wait(quickmax)
s.digichg('hfquick', 0)
s.digichg('quick', 0)
s.wait(-quickmax)
s.wait(switchdelay + biasrampdt)
s.digichg('quick', 0)
s.wait(-biasrampdt)
s.wait(-switchdelay - quickdelay - 2 * switchdt - offdelay)
#At this point the time sequence is at ENDUVMOT
#This is the time until the end of the bfield ramp
toENDBFIELD = biasrampdt + switchdelay + quickdelay + 2 * switchdt + offdelay
return s, toENDBFIELD
