English: Photograph of a Electro-optic modulator from linos, which is basically a variable waveplate. The round cylinder contains four optical crystals that change their optical birefringence according to an applied high voltage electric field. This allows to modulate the phase of a transmitted optical beam and quickly change its polarization.
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== {{int:filedesc}} == {{Information |Description ={{en|1=Photograph of a {{W|Electro-optic modulator}} from linos, which is basically a variable {{W|waveplate}} The round cylinder contains four optical crystals that change their optical {{W|birefri...