Spectral measurement with fiber spectrograph in 1000-2500 nm Sukurta: 03 December 2018 Unit: Faculty of Physics Keywords: Spectral measurement, fiber spectrograph, AvaSpec-NIR256-2. NIR fiber spectrograph AvaSpec-NIR256-2.5 is used. Application. The spectrum can be measured in the 1000-2500 nm range. Contacts: Dr. Rytis Butkus, tel. 8 5 2366046,