[12/4 01:21] Marcelo: https://br.comsol.com/model/download/479441/models.rf.step_index_fiber.pdf
[12/4 01:21] Marcelo: http://ir.msu.ac.zw:8080/jspui/bitstream/11408/1219/1/Modelling%20Of%20Optical%20Waveguide%20Using%20COMSOL%20Multiphysics.pdf
[12/4 01:21] Marcelo: http://soeagra.com/iaast/iaastmarch212012/5.pdf