JPS6146525U - Optical polarizing element of optical switch - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図ａ， ｂ， ｃは本考案の一実施例を示す説明図
でａは斜視図、ｂはａのＡ−Ａ断面図、Ｃは光偏光素子
への応力の掛け具合を示す拡大断面図、第２図は従来の
光スイッチの構成を示す説明図、第３図は従来の光偏光
素子の構成を示す説明図である。 ５・・・電源、１０・・・透明基板、１２．１２ａ・・
・電極。Figures 1 a, b, and c are explanatory diagrams showing one embodiment of the present invention, where a is a perspective view, b is a cross-sectional view taken along line A-A in a, and C is an enlarged cross-section showing how stress is applied to the light polarizing element. 2 are explanatory diagrams showing the configuration of a conventional optical switch, and FIG. 3 is an explanatory diagram showing the configuration of a conventional optical polarizing element. 5... Power supply, 10... Transparent substrate, 12.12a...
·electrode.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 偏光子と検光子の間に配置され、電圧を印加することに
より光の通過をＯＮ−ＦＦする光スイッチの光偏素子に
おいて、光弾性効果および電歪（圧電）効果を有する透
明基板の両面に電極を形成し、その電極を一組として、
前記透明基板上に一定の距離を隔てて少なくとも２組の
電極を形成し、前記それぞれの電極に電圧を印加する手
段を設けたことを特徴とする光スイッチの光偏光素子。In the optical polarization element of an optical switch, which is placed between a polarizer and an analyzer and turns on and off the passage of light by applying a voltage, a transparent substrate with photoelastic and electrostrictive (piezoelectric) effects is Forming electrodes and making the electrodes into a set,
An optical polarizing element for an optical switch, characterized in that at least two sets of electrodes are formed on the transparent substrate at a certain distance apart, and means for applying a voltage to each of the electrodes is provided.