Request InfoTeledyne Princeton InstrumentsTRENTON, N.J., Oct. 17, 2018 — Princeton Instruments has announced 532-nm Raman accessories for its FERGIE spectrometer product line. FERGIE is an aberration-free spectroscopy system. Raman measurements at 532 nm offer better sensitivity with a higher Raman cross-section compared to Raman measurements at 785 nm or longer wavelengths. The 53-nm excitation wavelength also delivers higher spatial resolution for Raman microscopy measurements, making it ideal for carbon materials and other thin-film material characterization. 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