DBR structures based on_____ can be implemented into Fabry‚Äö√Ñ√∂‚àö√ë‚àö¬®P‚Äö√†√∂¬¨¬©rot filters.$

DBR structures based on_____ can be implemented into Fabry‚Äö√Ñ

1.	DBR structures based on_____ can be implemented into Fabry‚Äö√Ñ√∂‚àö√ë‚àö¬®P‚Äö√†√∂¬¨¬©rot filters.$
A.	mpSi
B.	pSi
C.	SiO<sub>2</sub>
D.	graphite
Answer» B. pSi