∗
Note that the condition 2
⋅
=
|
|
2
reduces to the Bragg condition
nλ
= 2
d
sin
(
θ
)
⋅
= |
|2 reduces to the Bragg condition nλ = 2dsin(θ) ⋅ = ||2 reduces to the Bragg condition nλ = 2dsin(θ)