| 摘要 |
An optical element that has a heat control unit comprising an electro-optic material member through which a linearly polarized optical beam penetrates. At least one pair of electrodes is disposed on the electro-optic material member. The electrodes sandwich the optical path of the beam. A voltage is applied to the electrodes to generate an electric field in the electro-optic material member which acts on the beam as a lens when the electric field is generated. The optical element further comprises a unit for controlling a temperature distribution in the electro-optic material member. The temperature controlling unit is disposed on the electro-optic material member.
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