Table 1.

Enhancement of electric field for various arrangements of Au NR as compared to the standard Au nanosheet (without Au NR)

Distance from nanosheet	2 nm	Enhancement [%]	5 nm	Enhancement [%]	8 nm	Enhancement [%]	11 nm	Enhancement [%]	14 nm	Enhancement [%]
Au nanosheet (without NR)	2.45 × 105	—	2.45 × 105	—	2.45 × 105	—	2.45 × 105	—	2.45 × 105	—
Au nanosheet + Au NR with AR = 1	7.42 × 105	302.86	4.91 × 105	200.41	4.25 × 105	173.47	4.39 × 105	179.18	3.95 × 105	161.22
Au nanosheet + Au NR with AR = 2	1.28 × 106	522.45	7.68 × 105	313.47	6.51 × 105	265.71	6.16 × 105	251.43	5.39 × 105	220
Au nanosheet + Au NR with AR = 3	1.86 × 106	759.18	1.03 × 106	420.41	8.96 × 105	365.71	7.98 × 105	325.71	7.23 × 105	295.10
Au nanosheet + Au NR with AR = 4	2.5 × 106	1020.41	1.34 × 106	546.94	1.17 × 106	477.55	1.02 × 106	416.33	9.22 × 105	376.33

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