Differential Equations and Dynamical Systems, vol.30, no.2, pp.271-285, 2022 (ESCI)
                        
                            
                        
                        
            
In this work, we consider one dimensional Dirac operators on unbounded time scales. We construct a spectral function of such an operator. Using this function, we establish a Parseval equality and an expansion formula in eigenfunctions for the Dirac operator on unbounded time scales.