What does BLPG stand for?

BLPG stands for "buried long-period grating"

How to abbreviate "buried long-period grating"?

"buried long-period grating" can be abbreviated as BLPG

What is the meaning of BLPG abbreviation?

The meaning of BLPG abbreviation is "buried long-period grating"

What does BLPG mean?

BLPG as abbreviation means "buried long-period grating"