Last date for submission of paper: unknown; Contact person: Prof. Hassen AROUI; Dear colleagues; On behalf of the Organizing Committee of ICSA2020, it is a great honor for us to welcome you in Sousse - Tunisia for the Second International Conference on Spectroscopy and Applications ICSA2020, from 17 to 19 April 2020.This conference is dedicated to create a space for exchange of the latest research results in spectroscopy and its applications. It offers collaborative links and exchanges between international researchers.Internationally renowned speakers will present their latest results in the topics of the conference. Topics1. Infrared and Raman spectroscopy2. VUV and UV- Visible spectroscopy3. Luminescence spectroscopy4. X ray spectroscopy5. Nuclear spectroscopy6. NMR, EPR, and Mossbauer spectroscopy7. Terahertz spectroscopy8. Impedance spectroscopy9. Molecular dynamics10. Theoretical methods and simulations on spectroscopy11. Applied spectroscopy: material science, astrophysics, environment, biology, imaging,