Global IR-Emitters Market By Type (Near IR Emitters, SWIR Emitters, MWIR Emitters, LWIR Emitters, and FAR IR Emitters), By Application (Sensing,Monitoring and Detection, Gesture Recognition, Machine Vision, Data Transmission, and Others), By Region, and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2020-2029