artiq/examples/photon_histogram.py

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from artiq import *
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from artiq.coredevice import comm_serial, core, dds, rtio
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class PhotonHistogram(AutoContext):
parameters = "bd bdd pmt repeats nbins"
def report(self, i, n):
print(i, n)
@kernel
def cool_detect(self):
with parallel:
self.bd.pulse(200*MHz, 1*ms)
self.bdd.pulse(300*MHz, 1*ms)
self.bd.pulse(210*MHz, 100*us)
with parallel:
self.bd.pulse(220*MHz, 100*us)
self.pmt.gate_rising(100*us)
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self.bd.on(200*MHz)
self.bdd.on(300*MHz)
return self.pmt.count()
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@kernel
def run(self):
hist = array(0, self.nbins)
for i in range(self.repeats):
n = self.cool_detect()
if n >= self.nbins:
n = self.nbins-1
hist[n] += 1
for i in range(self.nbins):
self.report(i, hist[i])
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def main():
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with comm_serial.Comm() as comm:
coredev = core.Core(comm)
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exp = PhotonHistogram(
core=coredev,
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bd=dds.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=0, rtio_switch=1),
bdd=dds.DDS(core=coredev, dds_sysclk=1*GHz,
reg_channel=1, rtio_switch=2),
pmt=rtio.RTIOIn(core=coredev, channel=0),
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repeats=100,
nbins=100
)
exp.run()
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if __name__ == "__main__":
main()