Rufino Díaz-Uribe., Martha Rosete-Aguilar., ., & Roberto Ortega-Martínez. (1992). Position sensing of a Gaussian beam with a power meter and a knife edge. Revista Mexicana De Física, 39(3), 484–492. Retrieved from https://rmf.smf.mx/ojs/index.php/rmf/article/view/2342