ACOUSTIC DETECTION MODULES implementing custom quartz tuning forks, realized in collaboration with PolySenSe Lab are commercialized by THORLABS
https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=11241 
QEPAS BOX. A compact and complete system for methane (CH4) detection based on QEPAS spectroscopy and realized in collaboration with PolySenSe Lab has been recently start to be commercialized by THORLABS.
https://www.thorlabs.com/newgrouppage9.cfm?objectgroup_id=16188
