id	keyword
american_scientific_journal-2139	laser
american_scientific_journal-2139	figure
american_scientific_journal-2139	control
american_scientific_journal-2139	module
american_scientific_journal-2139	signal
american_scientific_journal-2139	camera
american_scientific_journal-2139	source
american_scientific_journal-2139	detector
american_scientific_journal-2139	target
american_scientific_journal-2139	material