Real-time wavelength correction system for visible light

A real-time wavelength correction system for visible light, assembled to and co-operating with an optical system, the optical system emitting a parallel light beam, the parallel light beam having an initial wavelength value in an initial state, the real-time wavelength correction system for visible light comprising:

• an optical beam splitter configured for the parallel light beam passing through to generate a split parallel light beam;
• a first focusing lens configured to receive the split parallel light beam, and making the split parallel light beam focused on a first back focal plane of the first focusing lens to form a first light spot;
• and
• a first light spot position sensing detector electrically connected to an operating computer of the optical system, and set on the first back focal plane for sensing an initial position parameter and an initial real-time position parameter of the first light spot to accordingly generate a first real-time light spot displacement value;
• wherein the initial wavelength value of the parallel light beam is corrected according to the first real-time light spot displacement value, so as to accordingly generate a real-time wavelength correction value of the parallel light beam.