SFG Calculator Calculator SFG/SHG SPDC/OPO Type 0 Type 2 SFG SHG Non-degenerate Degenerate Input wavelength 1 (um): Input wavelength 2 (um): Crystal Length (mm): Temperature (°C): Temperature span: Calculate SFG Wavelength (um): Acceptance Bandwidth w1: Acceptance Bandwidth w2: SPDC Wavelength: QPM Period: Temperature Bandwidth: