Pharos harmonic generator product line features second harmonic bandwidth compressor abbreviated as SHBC. Device is dedicated for the formation of narrow bandwidth picosecond pulses from broadband output of ultrafast laser. In Pharos platform SHBC is used to create flexible setups providing fixed wavelength or tunable narrow bandwidth ps pulses in combination with tunable wavelength broadband fs pulses. This feature is used in spectroscopy applications for mixing of wide and narrow bandwidth pulses such as sum frequency spectroscopy (SFG).