diff --git a/doc/docs/images/broadband_field_decay_in_multilayer_stack.png b/doc/docs/images/broadband_field_decay_in_multilayer_stack.png index bab0776f6..badb25173 100644 Binary files a/doc/docs/images/broadband_field_decay_in_multilayer_stack.png and b/doc/docs/images/broadband_field_decay_in_multilayer_stack.png differ diff --git a/doc/docs/images/multilayer_opt_obj_func_history.png b/doc/docs/images/multilayer_opt_obj_func_history.png index 5675ee3fd..77e6afdb2 100644 Binary files a/doc/docs/images/multilayer_opt_obj_func_history.png and b/doc/docs/images/multilayer_opt_obj_func_history.png differ