| 摘要 |
A component has a substrate (10) upon which are superimposed at least one light transmitter that emits light with a transmission wavelength lambda and at least one light receiver. The claimed component is characterised in that at least one functional layer (110, 120, 130) for optical decoupling is arranged between the light transmitter and the light receiver, said fonctional layer (110, 120, 130) having a refraction index of maximum 2.5.
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