Electro-optical sensor

[1] They are used in many industrial and consumer applications, for example: An optical sensor converts light rays into electronic signals.

When a change occurs, the light sensor operates as a photoelectric trigger and therefore either increases or decreases the electrical output.

Optical sensors can be found in the energy field to monitor structures that generate, produce, distribute, and convert electrical power.

Other applications include the civil and transportation fields such as bridge, airport landing strip, dam, railway, airplane, wing, fuel tank and ship hull monitoring.

Among other applications, optical switches can be found in thermal methods which vary the refraction index in one leg of an interferometer in order to switch the signal, MEMS approaches involving arrays of micromirrors that can deflect an optical signal to the appropriate receiver, piezoelectric beam steering liquid crystals which rotate polarized light depending on the applied electric field and acousto-optic methods which change the refraction index as a result of strain induced by an acoustic field to deflect light.