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added OVA and OVA sweep measurement
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jslaby6 committed Jun 11, 2024
1 parent e7a9b37 commit 5a517e3
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109 changes: 109 additions & 0 deletions LabExT/Instruments/OpticalVectorAnalyzer.py
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#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
LabExT Copyright (C) 2021 ETH Zurich and Polariton Technologies AG
This program is free software and comes with ABSOLUTELY NO WARRANTY; for details see LICENSE file.
"""

from LabExT.Instruments.InstrumentAPI import Instrument, InstrumentException
import numpy as np
import win32com.client
import os
import numpy as np
import pythoncom

class OpticalVectorAnalyzer(Instrument):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs)

def open(self):
pythoncom.CoInitialize()

self.labview_app = win32com.client.Dispatch("LabVIEW.Application")

# Load the VI #TODO: Needs to be generic
vi_path = os.path.join('C:\\', 'OVA_5000_SDK_v5.14.3','LabVIEW','ConfigureOVA.vi')
vi = self.labview_app.GetVIReference(vi_path)

vi.Run

# Grab data in graph object
instrFound = np.array(vi.GetControlValue("instrFound"))

CfgOK = np.array(vi.GetControlValue("Cfg OK?"))

if not instrFound or not CfgOK:
raise InstrumentException("Instrument Not Found or Config is Wrong")
else:
return

def grab_data(self, find_dut_L: bool = True, plot_data_type: str = "INSERTION_LOSS", center_wavelength: float = 1550.00, wl_range: float = 2.54):
# Load the VI #TODO: Needs to be generic
# labview_app = win32com.client.Dispatch("LabVIEW.Application")
vi_path = os.path.join('C:\\', 'OVA_5000_SDK_v5.14.3','LabVIEW','Example Top-Level VIs','_AcquireSingleScan.vi')
vi = self.labview_app.GetVIReference(vi_path)

wl_range_dict = {
'0.63': 0,
'1.27': 1,
'2.54': 2,
'5.09': 3,
'10.22': 4,
'20.58': 5,
'41.72': 6,
'85.78': 7
}

plot_data_dict = {
'INSERTION_LOSS' : 0,
'GROUP_DELAY' : 1,
'CHROMATIC_DISPERSION' : 2,
'POLARIZATION_DEPENDENT_LOSS' : 3,
'POLARIZATION_MODE_DISPERSION' : 4,
'LINEAR_PHASE_DEVIATION' : 5,
'QUADRATIC_PHASE_DEVIATION' : 6,
'JONES_MATRIX_ELEMENT_AMPLITUDES' : 7,
'JONES_MATRIX_ELEMENT_PHASES' : 8,
'TIME_DOMAIN_AMPLITUDE' : 9,
'TIME_DOMAIN_WAVELENGTH' : 10,
'MIN_MAX_LOSS' : 11,
'SECOND_ORDER_PMD' : 12,
'PHASE_RIPPLE_LINEAR' : 13,
'PHASE_RIPPLE_QUADRATIC' : 14
}

# Set control values if any
vi.SetControlValue("Find DUT Length?", find_dut_L)
vi.SetControlValue("New Scan", True)
vi.SetControlValue("Plot Data", True)
vi.SetControlValue("Graph Sel", plot_data_dict[plot_data_type])
vi.SetControlValue("Center WL", center_wavelength)
vi.SetControlValue("WL Range", wl_range_dict[wl_range])

vi.Run

# Grab data in graph object
result = np.array(vi.GetControlValue("Graph"))

return result

def save_data(self):
# labview_app = win32com.client.Dispatch("LabVIEW.Application")
vi_path = os.path.join('C:\\', 'OVA_5000_SDK_v5.14.3','LabVIEW','WriteOVASprdshtFile.vi')
vi = self.labview_app.GetVIReference(vi_path)

# Set control values if any
vi.SetControlValue("Output Spreadsheet File Path", "C:\\Users\\Luna\\Documents\\test.txt")
vi.SetControlValue("Graph Data to Output", [True] * 20)

vi.Run

# def close(self):
# pythoncom.CoUninitialize()
# return

def idn(self):
return f"OVA"

def get_instrument_parameter(self):
return {'idn': self.idn()}
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Binary file added LabExT/Measurements/LabviewVIs/_AcquireSingleScan.vi
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101 changes: 101 additions & 0 deletions LabExT/Measurements/Luna_sweep.py
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from LabExT.Measurements.MeasAPI import *

class Luna_sweep(Measurement):
def __init__(self, *args, **kwargs):
super().__init__(*args, **kwargs) # calling parent constructor

self.name = 'Luna_sweep'
self.settings_path = 'Luna_sweep_settings.json'
self.ova = None

@staticmethod
def get_default_parameter():
return {
'center wavelength': MeasParamFloat(value=1550.0, unit='nm'),
'wavelength range': MeasParamList(
options = ['0.63', '1.27', '2.54', '5.09', '10.22', '20.58', '41.72', '85.78'],
unit = 'nm'
),
'Plot Measurement Type': MeasParamList(
options = ["INSERTION_LOSS", "GROUP_DELAY", 'CHROMATIC_DISPERSION', 'POLARIZATION_DEPENDENT_LOSS', 'POLARIZATION_MODE_DISPERSION', 'LINEAR_PHASE_DEVIATION', 'QUADRATIC_PHASE_DEVIATION', 'JONES_MATRIX_ELEMENT_AMPLITUDES', 'JONES_MATRIX_ELEMENT_PHASES', 'TIME_DOMAIN_AMPLITUDE', 'TIME_DOMAIN_WAVELENGTH', 'MIN_MAX_LOSS', 'SECOND_ORDER_PMD', 'PHASE_RIPPLE_LINEAR', 'PHASE_RIPPLE_QUADRATIC']
)
}

@staticmethod
def get_wanted_instrument():
return ['OVA']

def algorithm(self, device, data, instruments, parameters):
self.ova = instruments["OVA"]
self.ova.open()

center_wavelength = parameters.get('center wavelength').value
wl_range = parameters.get('wavelength range').value
plot_data_type = parameters.get('Plot Measurement Type').value

result = self.ova.grab_data(
center_wavelength = center_wavelength,
wl_range = wl_range,
plot_data_type = plot_data_type,
)

self.ova.save_data()

match plot_data_type:
case "INSERTION_LOSS":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Insertion Loss (dB)'] = result[0, 1, :].tolist()
case "GROUP_DELAY":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Group Delay (dB)'] = result[0, 1, :].tolist()
case "CHROMATIC_DISPERSION":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Chromatic Dispersion (dB)'] = result[0, 1, :].tolist()
case "POLARIZATION_DEPENDENT_LOSS":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Polarization Dependent Loss (dB)'] = result[0, 1, :].tolist()
case "POLARIZATION_MODE_DISPERSION":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Polarization Mode Dispersion (dB)'] = result[0, 1, :].tolist()
case "LINEAR_PHASE_DEVIATION":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Linear Phase Deviation(dB)'] = result[0, 1, :].tolist()
case "QUADRATIC_PHASE_DEVIATION":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Quadratic Phase Deviation (dB)'] = result[0, 1, :].tolist()
case "JONES_MATRIX_ELEMENT_AMPLITUDES":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Jones Matrix Element Amplitudes A'] = result[0, 1, :].tolist()
data['values']['Jones Matrix Element Amplitudes B'] = result[1, 1, :].tolist()
data['values']['Jones Matrix Element Amplitudes C'] = result[2, 1, :].tolist()
data['values']['Jones Matrix Element Amplitudes D'] = result[3, 1, :].tolist()
case "JONES_MATRIX_ELEMENT_PHASES":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Jones Matrix Element Phases A'] = result[0, 1, :].tolist()
data['values']['Jones Matrix Element Phases B'] = result[1, 1, :].tolist()
data['values']['Jones Matrix Element Phases C'] = result[2, 1, :].tolist()
data['values']['Jones Matrix Element Phases D'] = result[3, 1, :].tolist()
case "TIME_DOMAIN_AMPLITUDE":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Time Domain Amplitude (dB)'] = result[0, 1, :].tolist()
case "TIME_DOMAIN_WAVELENGTH":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Time Domain Wavelength (nm)'] = result[0, 1, :].tolist()
case "MIN_MAX_LOSS":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Min Insertion Loss (dB)'] = result[0, 1, :].tolist()
data['values']['Max Insertion Loss (dB)'] = result[1, 1, :].tolist()
case "SECOND_ORDER_PMD":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Second Order PMD'] = result[0, 1, :].tolist()
case "PHASE_RIPPLE_LINEAR":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Phase Ripple Linear'] = result[0, 1, :].tolist()
case "PHASE_RIPPLE_QUADRATIC":
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['Phase Ripple Quadratic'] = result[0, 1, :].tolist()
case _ :
data['values']['wavelength [nm]'] = result[0, 0, :].tolist()
data['values']['transmission (dB)'] = result[0, 1, :].tolist()

return data
4 changes: 4 additions & 0 deletions configs/fiber_attach_setup_config.config
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"Camera":
[
{"visa": "None", "class": "CameraThorLabsCS165CU", "channels": [0], "args":{"sn": "13434"}}
],
"OVA":
[
{"visa": "None", "class": "OpticalVectorAnalyzer", "channels": [0]}
]
},
"Mover":
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5 changes: 5 additions & 0 deletions requirements.in
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# extra GUI widgets
ttkwidgets
pillow
pyqt5

# documentation generation
mkdocs
Expand All @@ -39,6 +40,10 @@ mkdocstrings-python
# auxiliary data structures
bidict

# interface with instruments
labjack-ljm
pylablib

# tools for development
# pip-tools
# build
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