TL;DR: Optical Mining is a main entry in the 外星矿物知识引擎 database.
Using concentrated sunlight to fracture and volatilize asteroid material, capturing released water and other volatiles
Method Type
Asteroid Extraction
Input Material
Whole small asteroid (captured)
Output
Water, volatiles, and concentrated mineral residue
Efficiency
Concept - eliminates need for drilling; whole-asteroid processing
Space Viability
Good concept - uses free solar energy; no heavy excavation equipment needed