Maximum pure optical activity (optical activity with ellipticity η ≈ 0) achieved in the structures shown in Figure 1. The table indicates the spectral range where this optical activity is achieved and the associated transmission levels.
|Structure||Spectral range with η = 0 (THz)||Transmission level (%)||Optical activity (degrees/wavelength) at a single frequency where η = 0 (THz)|
|2.6–3.8||68||43° at 3.0|
|3.5–4.5||45||125° at 4.0|
|5.5–6.2||70||416° at 6.0|
|3.5–6.0||80||50° at 5.0|
|7.5–7.9||30||422° at 7.7|
|5.6–6.2||40||254° at 5.9|
|6.5–8.2||25||40.68° at 7.5|
|11.0–11.4||35||27.25° at 11.2|
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