Name：Bristol 771B-IR

Product features: spectral resolution up to 2 GHz, wavelength accuracy up to ± 0.0001 nm, continuous calibration using built - in wavelength standards, optical suppression ratio > 40 dB, working range from 375 nm to 12 μm, support for continuous and high - repetition - rate pulsed lasers, convenient pre - aligned fiber input with wavelengths up to 2.6 μm, and display software provided for controlling measurement parameters, displaying spectra, and reporting wavelength data