摘要 |
An optical switch for switching between transmission and total reflection of incident light 101 applied to electro-optical crystal 104 by applying an electric field to electro-optical crystal 104 to thereby change the refractive index of electro-optical crystal 104 includes a plurality of electrodes 105 disposed in electro-optical crystal 104 to provide electrode assembly 106 for applying the electric field to electro-optical crystal 104. Electro-optical crystal 104 has a refractive index changing portion (not shown) whose refractive index is changed by the electric field applied by electrode assembly 106, the refractive index changing portion enclosing electrode assembly 106 in its entirety. The refractive index changing portion has a flat refractive index boundary.
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