Figure 3
From: Achromatic flat optical components via compensation between structure and material dispersions
Achromatic properties of deflector with off-axis incidence.
(a) Ex distribution of flat achromatic deflector illuminated by light at the wavelength λ = 1000 nm, λ = 1500 nm and λ = 2000 nm with incident angles θi  = −10, 20 and 40 degrees. (b) Transmitted deflection angles as a function of wavelength at the condition of different incident angle θi = −10, 0, 10, 20, 30 and 40 degrees by numerical simulation (points) and theoretical calculation (dashed lines).
