Princeton Instruments Instrument description Double grating 75-cm long monochromator Description and functionality Double grating 75-cm long monochromator (Princeton Instruments) for high-spectral resolution optical measurements operating between 2 micron and 0.2 micron wavelength range. location and contact persons Contact person antonio.polimeni Laboratory denomination Optical spettroscopy of nanostructured materials Laboratory Department or Institution Fisica Building CU013 Floor 3 Room 305 Sapienza institutional funding (Finanziamento di Ateneo) other external funding safety notes Safety data notes None. Chemical fume hoods No Air extraction system No Air intake system No Safety cabinet Yes (working)