Global Beam Splitters Market By Type (Plate Type, Pellicle Type, Cube Type), By Application (Scientific Instruments (e.g. interferometers, spectrometers and fluorimeters), Optical Instruments (e.g. microscopes, binoculars, range finders and survey equipment)), By Region and Key Companies - Industry Segment Outlook, Market Assessment, Competition Scenario, Trends and Forecast 2019–2028