Huawei
H31-311_V2.5 · Question #401
The outer electrons of the bait ion have a three-level structure, among which the metastable energy level is which of the following?
The correct answer is A. E2. See the full explanation below for the reasoning.
WDM/OTN Principles
Question
The outer electrons of the bait ion have a three-level structure, among which the metastable energy level is which of the following?
Options
- AE2
- BE1
- CE3
How the community answered
(25 responses)- A72% (18)
- B8% (2)
- C20% (5)
Topics
#EDFA#erbium ion energy levels#metastable state#three-level structure
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