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Fig. 8 | eLight

Fig. 8

From: Thermal photonics with broken symmetries

Fig. 8

Non-Hermitian systems and Twist-optics for thermal emission control. a Gap-dependence of non-Hermitian thermal emitters, indicating the phase transition between PT-symmetric and PT-broken states. b Two SiC gratings with a twisted angle for narrowband thermal emission with a wide tunable wavelength range. Figures adapted from: a, ref [175]; b, ref. [189]

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