| 摘要 |
PURPOSE:To provide an efficient optical modulator. CONSTITUTION:This liquid crystal optical device is provided with optical fibers 51 and 52, rod lenses 55 and 56, prisms 2A and 2B, and a liquid crystal optical element 30 consisting of a front substrate 31, a front electrode 30A, a liquid crystal solidified composite layer 30B, a rear electrode 30C used as a reflecting means, and a rear substrate 32, and a sufficient gap between substrates is reserved to a rugged boundary face in the optical path or the liquid crystal solidified composite layer or a boundary face inclined at an angle alpha to the reflecting face is provided, and light passes the liquid crystal solidified composite layer 30B twice or more. |
