The MID-IR COMB 4.5 um from Menlo Systems is a Optical Frequency Comb with Operating Temperature ±5 to 22 Degree C, Repetition Rate 100 MHz or 250 MHz, Average Power 120 mW, Comb Bandwidth 100 nm, Center Wavelength(CWL) 4500 nm. More details for MID-IR COMB 4.5 um can be seen below.