A method is provided for additively manufacturing an object. This method includes: depositing a layer of material on a build surface; consolidating at least a portion of the layer of material together to form a portion of the object, the consolidating comprising directing an energy beam onto the material to form a melt pool; directing a beam of light onto the melt pool; detecting a response from the beam of light interacting with the melt pool; and determining a parameter of the melt pool based on the detected response.
展开▼
