Raman Spectroscopy, Modular Spectrometers, and OEM/OED Solutions Spectrometer manufacturer and leader in Raman spectroscopy. We offer Raman spectrometers, spectroscopy applications, and instrumentation. B&W Tek, the worldwide leader in Raman spectroscopy, provides a wide range of UV, Vis, & NIR spectrometer and laser solutions for both OEM/OED and end-users. Learn more about handheld Raman spectrometers, laboratory Raman spectroscopy, and UV, Vis, & NIR spectrometer modules!