Columbia subject headings:
Optical materials--Congresses.
Optical wave guides--Materials--Congresses.
Thin films--Materials--Congresses.
Harvard subject headings:
Optical materials--Congresses.
Optical wave guides--Materials--Congresses.
Thin films--Materials--Congresses.
Princeton subject headings:
Optical materials--Congresses.
Optical wave guides--Materials--Congresses.
Thin films--Materials--Congresses.