  import nplab

# Create an experiment using the nplab library
experiment = nplab.Experiment()

# Add a shutter to the experiment
shutter = nplab.Shutter()
experiment.add_device(shutter)

# Add a spectrometer to the experiment
spectrometer = nplab.Spectrometer()
experiment.add_device(spectrometer)

# Define the irradiation time and wait time
irradiation_time = 10 # seconds
wait_time = 5 # seconds

# Define the user interface for the experiment
ui = nplab.UI()

# Add a data browser to the UI
data_browser = nplab.DataBrowser()
ui.add_widget(data_browser)

# Add spectrometer controls to the UI
spectrometer_controls = nplab.SpectrometerControls()
ui.add_widget(spectrometer_controls)

# Add shutter controls to the UI
shutter_controls = nplab.ShutterControls()
ui.add_widget(shutter_controls)

# Define the experiment loop
def loop():
    # Open the shutter
    shutter.open()

    # Wait for the irradiation time
    experiment.wait(irradiation_time)

    # Close the shutter
    shutter.close()

    # Wait for the wait time
    experiment.wait(wait_time)

    # Take a spectrum
    spectrum = spectrometer.take_spectrum()

    # Add the spectrum to the data browser
    data_browser.add_data(spectrum)

# Start the experiment loop
experiment.start(loop)

# Test the experiment using dummy spectrometer and shutter
# ...

# Run the experiment
experiment.run()

# Close the experiment
experiment.close()