Assertion: laser mirror | /r/HasProperty | fabricated
Facets:
value: usually
type: DEGREE
value: based on mirror substrates
type: OTHER
Source sentences:
text: Usually, laser mirrors are fabricated based on mirror substrates made of some glass (e.g. BK7 or fused silica) or glass ceramics, but it is also possible to deposit mirror coatings directly on a laser crystal (or glass), e.g. for monolithic lasers.