Laser: user specification for optical properties (4f0c8811) · Commits · XRFLab109 / Allpix Squared

src/modules/DepositionLaser/DepositionLaserModule.cpp

+42 −38

Original line number	Diff line number	Diff line
		@@ -96,30 +96,16 @@ DepositionLaserModule::DepositionLaserModule(Configuration& config, Messenger* m
		}

		void DepositionLaserModule::initialize() {

		// Check for unsupported detector materials, warn user if present

		std::vector<std::shared_ptr<Detector>> detectors = geo_manager_->getDetectors();
		for(auto& detector : detectors) {
		auto material = detector->getModel()->getSensorMaterial();
		if(material != SensorMaterial::SILICON) {
		LOG(WARNING) << "Detector " << detector->getName() << " has unsupported material and will be ignored";
		}
		}
		// Check for incompatible passive objects, warn user if there are any
		auto passive_configs = geo_manager_->getPassiveElements();
		for(const auto& item : passive_configs) {
		auto shape = item.get<std::string>("type");
		if(shape != "box") {
		LOG(WARNING) << item.getName() << " passive object has unsupported type (" << shape << ") and will be ignored";
		}
		}

		// Check if there are user-specified optical properties for materials
		is_user_optics_ = (config_.count({"absorption_length", "refractive_index"}) == 2);
		if(is_user_optics_) {
		absorption_length_ = config_.get<double>("absorption_length");
		refractive_index_ = config_.get<double>("refractive_index");
		LOG(DEBUG) << "Setting user-defined optical properties for sensor material";
		} else {
		// Load data
		std::string laser_data_path = ALLPIX_LASER_DATA_DIRECTORY;

		std::ifstream f(std::filesystem::path(laser_data_path) / "silicon_photoabsorption.data");

		// wavelength: {absorption_length, refractive_index}
		std::map<double, std::pair<double, double>> optics_lut;
		double wl = 0;
		@@ -130,7 +116,7 @@ void DepositionLaserModule::initialize() {
		optics_lut[Units::get(wl, "nm")] = {abs_length, refr_ind};
		}

		LOG(DEBUG) << "Loading absorption data: " << laser_data_path;
		LOG(DEBUG) << "Loading optical properties for sensor material from LUT: " << laser_data_path;

		// Find or interpolate absorption depth for given wavelength

		@@ -146,11 +132,29 @@ void DepositionLaserModule::initialize() {
		refractive_index_ =
		(optics_lut[wl1].second * (wl2 - wavelength_) + optics_lut[wl2].second * (wavelength_ - wl1)) / (wl2 - wl1);
		}

		}
		LOG(DEBUG) << "Wavelength = " << Units::display(wavelength_, "nm")
		<< ", absorption length: " << Units::display(absorption_length_, {"um", "mm"})
		<< ", refractive index: " << refractive_index_;

		// Check for unsupported detector materials, warn user if present

		std::vector<std::shared_ptr<Detector>> detectors = geo_manager_->getDetectors();
		for(auto& detector : detectors) {
		auto material = detector->getModel()->getSensorMaterial();
		if(material != SensorMaterial::SILICON && !is_user_optics_) {
		LOG(WARNING) << "Detector " << detector->getName() << " has unsupported material and will be ignored";
		}
		}
		// Check for incompatible passive objects, warn user if there are any
		auto passive_configs = geo_manager_->getPassiveElements();
		for(const auto& item : passive_configs) {
		auto shape = item.get<std::string>("type");
		if(shape != "box") {
		LOG(WARNING) << item.getName() << " passive object has unsupported type (" << shape << ") and will be ignored";
		}
		}

		// Create Histograms
		if(output_plots_) {
		LOG(DEBUG) << "Initializing histograms";
		@@ -481,7 +485,7 @@ std::optional<DepositionLaserModule::PhotonHit> DepositionLaserModule::track(con
		std::vector<std::pair<std::shared_ptr<Detector>, std::pair<double, double>>> intersection_segments;

		for(auto& detector : detectors) {
		if(detector->getModel()->getSensorMaterial() != SensorMaterial::SILICON) {
		if(detector->getModel()->getSensorMaterial() != SensorMaterial::SILICON && !is_user_optics_) {
		continue;
		}
		auto intersection = intersect_with_sensor(detector, position, direction);

src/modules/DepositionLaser/DepositionLaserModule.hpp

+1 −0

Original line number	Diff line number	Diff line
		@@ -133,6 +133,7 @@ namespace allpix {
		double absorption_length_;
		double refractive_index_;
		double pulse_duration_;
		bool is_user_optics_;

		// Histograms
		bool output_plots_;