What is the efficiency of Variable Focus Moiré Lenses?

Q: What is the efficiency of Variable Focus Moiré Lenses?

The first order diffraction efficiency n 1 of a Moiré lens depends on the chosen twisting angle θ , resulting in the corresponding optical power: n 1 = (sinc ( θ ⁄ 2 )) 2 (1) The total efficiency is a product of the diffraction efficiency and the transmission efficiency n t , which is approximately 96%. For a twisting angle of 45º, the diffraction efficiency is around 65%, therefore the total efficiency is approximately 62%.

The first order diffraction efficiency n₁ of a Moiré lens depends on the chosen twisting angle θ, resulting in the corresponding optical power:

n₁ = (sinc (^θ⁄₂))² (1)

The total efficiency is a product of the diffraction efficiency and the transmission efficiency n_t, which is approximately 96%. For a twisting angle of 45º, the diffraction efficiency is around 65%, therefore the total efficiency is approximately 62%.

Stefan2023-02-14T12:16:41+00:00

What is the efficiency of Variable Focus Moiré Lenses?

n1 = (sinc (θ⁄2))2 (1)

n₁ = (sinc (^θ⁄₂))² (1)