Studying Effect of Solar Concentrator Type on Small Signal Gain for Pumping Nd: YAG Crystal. University of Thi-Qar Journal of Science, [S. l.], v. 4, n. 4, p. 110–113, 2014. DOI: 10.32792/utq/utjsci/v4i4.676. Disponível em: https://jsci.utq.edu.iq/index.php/main/article/view/676.. Acesso em: 3 may. 2024.