JPS62249123A - Optical fiber type electrooptic element - Google Patents
Optical fiber type electrooptic elementInfo
- Publication number
- JPS62249123A JPS62249123A JP61094275A JP9427586A JPS62249123A JP S62249123 A JPS62249123 A JP S62249123A JP 61094275 A JP61094275 A JP 61094275A JP 9427586 A JP9427586 A JP 9427586A JP S62249123 A JPS62249123 A JP S62249123A
- Authority
- JP
- Japan
- Prior art keywords
- electric field
- optical element
- core
- cladding
- optical
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000013307 optical fiber Substances 0.000 title claims description 6
- 230000003287 optical effect Effects 0.000 claims abstract description 35
- 230000000694 effects Effects 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 6
- 230000005540 biological transmission Effects 0.000 claims abstract description 4
- 238000005253 cladding Methods 0.000 claims description 17
- 229920000642 polymer Polymers 0.000 claims description 12
- 150000002894 organic compounds Chemical class 0.000 claims description 9
- 239000007788 liquid Substances 0.000 claims description 3
- 150000004770 chalcogenides Chemical class 0.000 claims description 2
- 239000011521 glass Substances 0.000 claims description 2
- 229910001507 metal halide Inorganic materials 0.000 claims description 2
- 150000005309 metal halides Chemical class 0.000 claims description 2
- 239000010453 quartz Substances 0.000 claims description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 2
- KRHYYFGTRYWZRS-UHFFFAOYSA-M Fluoride anion Chemical compound [F-] KRHYYFGTRYWZRS-UHFFFAOYSA-M 0.000 claims 1
- 229910001512 metal fluoride Inorganic materials 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 230000005684 electric field Effects 0.000 abstract description 20
- 239000000835 fiber Substances 0.000 abstract description 4
- 230000005856 abnormality Effects 0.000 abstract description 2
- -1 silver halides Chemical class 0.000 description 7
- 229920003229 poly(methyl methacrylate) Polymers 0.000 description 6
- 239000004926 polymethyl methacrylate Substances 0.000 description 6
- 239000004793 Polystyrene Substances 0.000 description 5
- 229920002223 polystyrene Polymers 0.000 description 5
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 4
- 229920001577 copolymer Polymers 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- 239000011737 fluorine Substances 0.000 description 4
- 229910052731 fluorine Inorganic materials 0.000 description 4
- 239000004973 liquid crystal related substance Substances 0.000 description 4
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 3
- 229920000515 polycarbonate Polymers 0.000 description 3
- 239000004417 polycarbonate Substances 0.000 description 3
- 239000004988 Nematic liquid crystal Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 229920001296 polysiloxane Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- BQCIDUSAKPWEOX-UHFFFAOYSA-N 1,1-Difluoroethene Chemical compound FC(F)=C BQCIDUSAKPWEOX-UHFFFAOYSA-N 0.000 description 1
- YJTKZCDBKVTVBY-UHFFFAOYSA-N 1,3-Diphenylbenzene Chemical group C1=CC=CC=C1C1=CC=CC(C=2C=CC=CC=2)=C1 YJTKZCDBKVTVBY-UHFFFAOYSA-N 0.000 description 1
- TXMJURUNBSYXRI-UHFFFAOYSA-N 2-(2,4-dinitroanilino)-2-methylpropanoic acid Chemical compound OC(=O)C(C)(C)NC1=CC=C([N+]([O-])=O)C=C1[N+]([O-])=O TXMJURUNBSYXRI-UHFFFAOYSA-N 0.000 description 1
- TYCFGHUTYSLISP-UHFFFAOYSA-N 2-fluoroprop-2-enoic acid Chemical compound OC(=O)C(F)=C TYCFGHUTYSLISP-UHFFFAOYSA-N 0.000 description 1
- WLNDDIWESXCXHM-UHFFFAOYSA-N 2-phenyl-1,4-dioxane Chemical class C1OCCOC1C1=CC=CC=C1 WLNDDIWESXCXHM-UHFFFAOYSA-N 0.000 description 1
- 229910017255 AsSe Inorganic materials 0.000 description 1
- 239000004986 Cholesteric liquid crystals (ChLC) Substances 0.000 description 1
- 101100336480 Drosophila melanogaster Gem2 gene Proteins 0.000 description 1
- MGJKQDOBUOMPEZ-UHFFFAOYSA-N N,N'-dimethylurea Chemical compound CNC(=O)NC MGJKQDOBUOMPEZ-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- 230000005697 Pockels effect Effects 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 229920001328 Polyvinylidene chloride Polymers 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 229910001508 alkali metal halide Inorganic materials 0.000 description 1
- 150000008045 alkali metal halides Chemical class 0.000 description 1
- 229910001615 alkaline earth metal halide Inorganic materials 0.000 description 1
- 125000000751 azo group Chemical group [*]N=N[*] 0.000 description 1
- 125000005337 azoxy group Chemical group [N+]([O-])(=N*)* 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- WUKWITHWXAAZEY-UHFFFAOYSA-L calcium difluoride Chemical compound [F-].[F-].[Ca+2] WUKWITHWXAAZEY-UHFFFAOYSA-L 0.000 description 1
- 229910001634 calcium fluoride Inorganic materials 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 150000001841 cholesterols Chemical class 0.000 description 1
- NZNMSOFKMUBTKW-UHFFFAOYSA-N cyclohexanecarboxylic acid Chemical class OC(=O)C1CCCCC1 NZNMSOFKMUBTKW-UHFFFAOYSA-N 0.000 description 1
- IGARGHRYKHJQSM-UHFFFAOYSA-N cyclohexylbenzene Chemical class C1CCCCC1C1=CC=CC=C1 IGARGHRYKHJQSM-UHFFFAOYSA-N 0.000 description 1
- WVIIMZNLDWSIRH-UHFFFAOYSA-N cyclohexylcyclohexane Chemical class C1CCCCC1C1CCCCC1 WVIIMZNLDWSIRH-UHFFFAOYSA-N 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical class C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 description 1
- 239000005262 ferroelectric liquid crystals (FLCs) Substances 0.000 description 1
- 150000002222 fluorine compounds Chemical class 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- VBEGHXKAFSLLGE-UHFFFAOYSA-N n-phenylnitramide Chemical class [O-][N+](=O)NC1=CC=CC=C1 VBEGHXKAFSLLGE-UHFFFAOYSA-N 0.000 description 1
- FCJSHPDYVMKCHI-UHFFFAOYSA-N phenyl benzoate Chemical class C=1C=CC=CC=1C(=O)OC1=CC=CC=C1 FCJSHPDYVMKCHI-UHFFFAOYSA-N 0.000 description 1
- 229920000015 polydiacetylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 1
- 239000004810 polytetrafluoroethylene Substances 0.000 description 1
- 229920000915 polyvinyl chloride Polymers 0.000 description 1
- 239000004800 polyvinyl chloride Substances 0.000 description 1
- 229920002620 polyvinyl fluoride Polymers 0.000 description 1
- 239000005033 polyvinylidene chloride Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 229920002050 silicone resin Polymers 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical group FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Optical Fibers, Optical Fiber Cores, And Optical Fiber Bundles (AREA)
- Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
Abstract
Description
【発明の詳細な説明】
［産業上の利用分野コ
本発明は、長尺で連続した被測定物の電圧または電界の
異常等を検出する光ファイバ型光学素子に関する。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to an optical fiber type optical element for detecting abnormalities in voltage or electric field of a long continuous object to be measured.
［従来技術］
光ファイバを用いた電圧センサまたは電界センサとして
は、電気光学結晶（Ｂｉ、、Ｓｉｎ、。など）に電界を
かけると屈折率の変化するポッケルス効果を利用したセ
ンサが知られている。このセンナによって、電気光学結
晶が置かれた位置の電圧または電界を計測することがで
きる。[Prior Art] As a voltage sensor or an electric field sensor using an optical fiber, a sensor that utilizes the Pockels effect, in which the refractive index changes when an electric field is applied to an electro-optic crystal (Bi, Sin, etc.), is known. . This sensor makes it possible to measure the voltage or electric field at the position where the electro-optic crystal is placed.
しかし、従来のＢＬｔＳｉＯｔ。電気光学結晶などを用
いたセンサは、結晶が置かれた位置のみで検出を行い、
せいぜい数１０ｃｍの大きさであり、長尺に加工するこ
とができない。従って、長尺で連続しだ被測定物に対し
て用いる場合には多数のセンサが必要となる。However, conventional BLtSiOt. Sensors using electro-optic crystals detect only the position where the crystal is placed,
The size is several tens of centimeters at most, and it cannot be processed into a long piece. Therefore, when used for a long, continuous object to be measured, a large number of sensors are required.
［発明の目的コ
本発明の目的は、かかる欠点がなく、長尺の被測定物に
対して用いることができる光ファイバ型センサ素子を提
供することにある。[Object of the Invention] An object of the present invention is to provide an optical fiber type sensor element that does not have such drawbacks and can be used for a long object to be measured.
［発明の構成コ
本発明の要旨は、
ａ）光伝送路としてのコア、
ｂ）コアを包囲し、電気光学効果を有するクラッド、お
よび
Ｃ）クラッドを包囲するシース
から成る３層を有する光ファイバ型電気光学素子に存す
る。[Structure of the Invention] The gist of the present invention is an optical fiber having three layers: a) a core as an optical transmission path, b) a cladding surrounding the core and having an electro-optic effect, and C) a sheath surrounding the cladding. type electro-optical element.
コアは、
透明高分子（例えば、有機ンロキサン重合体、ポリメチ
ルメタクリレート、ポリスチレン、ポリカーボネート）
、
石英、更に
金属ハロゲン化物、（例えば、アルカリ金属のハロゲン
化物、銀ハロゲン化物またはアルカリ土類金属のハロゲ
ン化物）、
酸化物（例えば、Ｇｅｍ２、Ｇｅ０ｚ−５ｂｔＯ３、Ｇ
ｅ Ｏｔ Ｉ’ ｂ Ｏ、Ｃａ Ｏ−Ａ ４２０３ま
たはＴｅ０ｔ−Ｚ ｎＯ−Ｂ ａＯ）、
フッ化物（例えば、フッ化カルシウム）およびカルコゲ
ン化物（例えば、ＡＳ？Ｓ３、ＡｓＳｅ＊またはＬ ａ
−Ｇ ａ−Ｇ ｅ−８ｅ）などの多成分ガラスなどから
できていることが好ましい。The core is made of a transparent polymer (e.g. organoxane polymer, polymethyl methacrylate, polystyrene, polycarbonate)
, quartz, as well as metal halides (e.g. alkali metal halides, silver halides or alkaline earth metal halides), oxides (e.g. Gem2, GeOz-5btO3, G
e Ot I' b O, Ca O-A 4203 or Te0t-Z nO-B aO), fluorides (e.g. calcium fluoride) and chalcogenides (e.g. AS?S3, AsSe* or La
-G a-G e-8e) is preferably made of multi-component glass.
クラッドは、電気光学効果を有している材料から成る。The cladding consists of a material that has an electro-optic effect.
本明細書において、電気効果を有するクラッドを「活性
クラッド」と称する。クラッドは、液晶性を有する有機
化合物または非線型光学効果を有する有機化合物からで
きていてよい。In this specification, a cladding having an electrical effect is referred to as an "active cladding." The cladding may be made of an organic compound that has liquid crystal properties or an organic compound that has a nonlinear optical effect.
液晶性を有する有機化合物としては、フェニルシクロヘ
キサン誘導体、ビフェニルシクロヘキサン誘導体、シク
ロへキシルカルボン酸エステル、ビフェニル誘導体、タ
ーフェニル誘導体、フェニルベンゾエート誘導体、アゾ
化合物、アゾキシ化合物、ノッフ塩基化合物、フェニル
ビリミノン誘導体、フェニルジオキサン誘導体、シクロ
へキシルシクロヘキサン誘導体、コレステロール誘導体
、これら化合物の混合物などが挙げられ、ネマティック
液晶、コレステリック液晶、ゲスト・ホスト液晶、強誘
電性液晶として用いることができるものを含む。Examples of organic compounds having liquid crystallinity include phenylcyclohexane derivatives, biphenylcyclohexane derivatives, cyclohexylcarboxylic acid esters, biphenyl derivatives, terphenyl derivatives, phenylbenzoate derivatives, azo compounds, azoxy compounds, Knoff base compounds, phenylbiliminone derivatives, Examples include phenyldioxane derivatives, cyclohexylcyclohexane derivatives, cholesterol derivatives, and mixtures of these compounds, including those that can be used as nematic liquid crystals, cholesteric liquid crystals, guest-host liquid crystals, and ferroelectric liquid crystals.
非線型光学効果を有する有機化合物としては、ニトロア
ニリン誘導体、尿素、ジメチル尿素、メチル−２，４−
ジニトロフエニルアミノプロパノエート、３−メチル−
４−ニトロ−ピリジン−１＝オキサイド、ｌ−ホルミル
−２−（４−ニトロフェニル）ヒドラジン、ポリジアセ
チレン誘導体などが挙げられる。Examples of organic compounds having nonlinear optical effects include nitroaniline derivatives, urea, dimethylurea, and methyl-2,4-
Dinitrophenylaminopropanoate, 3-methyl-
Examples include 4-nitro-pyridine-1=oxide, l-formyl-2-(4-nitrophenyl)hydrazine, and polydiacetylene derivatives.
更に、クラッドは、上記の液晶性を有する有機化合物ま
たは非線型光学効果を有する有機化合物が、ポリシロキ
サン、ポリメチルメタクリレート、ポリスチレン、ポリ
カーボネート、フッ素含有ポリシロキサン、フッ素含有
ポリメチルメタクリレート、フッ素含有ポリスチレンま
たはフッ素含有ポリカーボネートなどの透明高分子とブ
レンドされたしの、透明高分子にグラフトされたもの、
または透明高分子の主鎖中に組入れられたものであって
もよい。Furthermore, the cladding may be made of an organic compound having liquid crystal properties or a nonlinear optical effect such as polysiloxane, polymethyl methacrylate, polystyrene, polycarbonate, fluorine-containing polysiloxane, fluorine-containing polymethyl methacrylate, fluorine-containing polystyrene, or Blended with transparent polymers such as fluorine-containing polycarbonate, grafted onto transparent polymers,
Alternatively, it may be incorporated into the main chain of a transparent polymer.
シースは、高分子材料からできている。高分子材料とし
ては、例えば、ポリスチレン、ポリプロピレン、ポリ塩
化ビニル、ポリ塩化ビニリデン、ポリスチレン、ポリメ
チルメタクリレート、ポリフッ化ビニル、ポリフッ化ビ
ニリデン、ポリテトラフルオロエチレン、フッ化ビニリ
デンとテトラフルオロエチレンの共重合体、フルオロエ
チレンとフルオロプロピレンの共重合体、ポリメチル−
α−フルオロアクリレート、フッソ含有アルキルメタク
リレート重合体、シリコーン樹脂、Ｕｖ硬化樹脂および
電子線硬化樹脂が挙げられる。The sheath is made of polymeric material. Examples of polymeric materials include polystyrene, polypropylene, polyvinyl chloride, polyvinylidene chloride, polystyrene, polymethyl methacrylate, polyvinyl fluoride, polyvinylidene fluoride, polytetrafluoroethylene, and a copolymer of vinylidene fluoride and tetrafluoroethylene. , fluoroethylene and fluoropropylene copolymer, polymethyl-
Examples include α-fluoroacrylate, fluoro-containing alkyl methacrylate polymers, silicone resins, UV-cured resins, and electron beam-cured resins.
本発明の光学素子の形状は、断面が円形または他の形状
（例えば、多角形）である長尺体など、どのような形状
であってもよい。The shape of the optical element of the present invention may be any shape, such as an elongated body whose cross section is circular or other shapes (for example, polygons).
本発明の光学素子の製造は、例えば、シースとなる高分
子チューブの中に、コアファイバーを挿入し、これら両
者の空隙にクラッド材料を注入し７た後、チューブの両
末端を封止することにより行える。The optical element of the present invention can be manufactured by, for example, inserting a core fiber into a polymer tube that serves as a sheath, injecting a cladding material into the gap between the two, and then sealing both ends of the tube. This can be done by
［発明の好ましい態様］
以下に添付図面を参照して、本発明を具体的に説明する
。[Preferred Embodiments of the Invention] The present invention will be specifically described below with reference to the accompanying drawings.
第１図は、本発明の光学素子の１つの態様の斜視図であ
る。光学素子１は、断面円形であり、コア２、その外側
に設けた同心円状の活性クラッド３およびシース４を有
する。FIG. 1 is a perspective view of one embodiment of the optical element of the present invention. The optical element 1 has a circular cross section and includes a core 2, a concentric active cladding 3 and a sheath 4 provided outside the core 2.
第２図は本発明の光学素子の他の態様の斜視図である。FIG. 2 is a perspective view of another embodiment of the optical element of the present invention.
光学素子＋１は、第１図の光学素子と異なって断面はぼ
四角形であり、コア１２、活性クラッド１３およびシー
ス１４を有する。Optical element +1 differs from the optical element in FIG.
第３図、第４図および第５図は、電界が無い場合におけ
る活性クラッド中の双極子の方向を示す、光学素子の断
面図である。第３図および第４図は第１図の素子に対応
し、第５図は第２図の素子に対応するが、図面において
理解を容易にするために、クラッドの厚さを実際よりも
大きくしである。3, 4 and 5 are cross-sectional views of the optical element showing the orientation of the dipoles in the active cladding in the absence of an electric field. 3 and 4 correspond to the device shown in FIG. 1, and FIG. 5 corresponds to the device shown in FIG. It is.
双極子の方向を矢印で示し、○は、矢印が紙面の裏から
表に向かっていることを示す。The direction of the dipole is indicated by an arrow, and ○ indicates that the arrow is pointing from the back of the paper to the front.
第６図および第７図は、電界Ｅが矢印方向に存在する場
合におけろ活性クラッド中の双極子の方向を示す、それ
ぞれ第１図および第２図の光学素子の断面図である。電
界Ｅが印加されることにより、双極子が再配列する。電
界の有無および強弱によってクラッド層の光吸収および
散乱特性が変化し、その結果、光伝送損失が変化する。6 and 7 are cross-sectional views of the optical elements of FIGS. 1 and 2, respectively, showing the orientation of the dipoles in the active cladding when an electric field E is present in the direction of the arrow. By applying the electric field E, the dipoles are rearranged. The light absorption and scattering characteristics of the cladding layer change depending on the presence or absence and strength of the electric field, and as a result, the optical transmission loss changes.
従って、光学素子のコア中を伝送される透過光強度を測
定することにより、電界の有無および強度などを検出す
ることができる。Therefore, by measuring the intensity of transmitted light transmitted through the core of the optical element, it is possible to detect the presence or absence and intensity of an electric field.
以下に実施例を示し、本発明を更に具体的に説明する。EXAMPLES The present invention will be explained in more detail with reference to Examples below.
実施例１
内径０ 、５ ｍｍ、外径１ 、０ ｍｍおよび長さ１
０ｍのフルオロエチレン／フルオロプロピレン共重合体
チューブの中に、外径０．４５ｍｍおよび長さｌ１ｍの
ポリメチルメタクリレート（屈折率ｎ＝１．４９）ファ
イバを挿入し、次いで、空隙にネマティック液晶（メル
ク（Ｍｅｒｃｋ）社製、商品名ＺＬＩ−２８４８、ｎ工
＝１．４７９、ｎ／／＝ １．５６２）を注入した。Example 1 Inner diameter 0,5 mm, outer diameter 1,0 mm and length 1
A polymethyl methacrylate (refractive index n=1.49) fiber with an outer diameter of 0.45 mm and a length of 1 m is inserted into a 0 m fluoroethylene/fluoropropylene copolymer tube, and then a nematic liquid crystal (Merck (Merck), trade name ZLI-2848, n = 1.479, n// = 1.562) was injected.
両端部でフルオロエチレン／フルオロプロピレン共重合
体チューブを熱収縮させ、ポリメチルメタクリレートに
密着させて液晶を封入した後、両末端をカッティングし
、端面の研摩を行い、全長駒１０ｍの光ファイバ型電気
光学素子を作成した。After heat-shrinking the fluoroethylene/fluoropropylene copolymer tube at both ends, adhering it to polymethyl methacrylate and enclosing the liquid crystal, both ends were cut and the end faces were polished. An optical element was created.
この素子の一端よりＨｅ−Ｎｅレーザ（波長６３２゜８
ｎｍ、出力２ｍＷ）を入射し、他端より出射する光強度
を光量計で検出しながら、素子の中央部に１０００ｖの
電圧を負荷したところ、出射光強度の明確な変化を確認
した。ｔｏｏｏｖ電圧負荷により、出射光強度は無負荷
時の８０％に低下した。A He-Ne laser (wavelength 632°8) is emitted from one end of this element.
When a voltage of 1000 V was applied to the center of the element while detecting the light intensity emitted from the other end with a light meter, a clear change in the emitted light intensity was confirmed. Due to the tooov voltage load, the output light intensity decreased to 80% of that under no load.
［発明の効果］ 本発明の利点は、以下の通りである。[Effect of the invention] The advantages of the invention are as follows.
■ 電界および電圧の検出素子がファイバ状であり、長
い被測定物に沿わせて、またはスパイラル状に巻付けて
使用することができるので、長い被測定物の全長にわた
って、その任意の位置の電界および電圧の変化を検出で
きる。■ The electric field and voltage detection element is in the form of a fiber and can be used along a long object to be measured or wrapped in a spiral shape, so the electric field can be detected at any position along the entire length of the long object to be measured. and voltage changes can be detected.
■ 素子外径を例えば１〜０．２５ｍｍと小さくでき、
素子寸法が小さい。■ The outer diameter of the element can be reduced to, for example, 1 to 0.25 mm,
The element size is small.
■ 素子には、高分子のコアを用いた場合に特に、可撓
性があるので、複雑な形状の被測定物でも測定ができる
。(2) The element is flexible, especially when a polymer core is used, so it is possible to measure objects with complex shapes.
本発明の光学素子は、電界センサまたは電圧センサとし
て有用に用い得る。The optical element of the present invention can be usefully used as an electric field sensor or a voltage sensor.
第１図は本発明の光学素子の１つの態様の斜視図、
第２図は本発明の光学素子の他の態様の斜視図、第３〜
７図は、クラッド中の双極子の方向を示す光学素子の断
面図である。
１．１１・・・光学素子、２，１２・・・コア、３．１
３・・・クラッド、４．１４・・・クラッド、Ｅ・・・
電界。
特許出願人 住友電気工業株式会社
代 理 人 弁理士 青白 葆 ほか２名第１図
第３図 第４図
第６図
第２図
＋２
第５図
第７図FIG. 1 is a perspective view of one embodiment of the optical element of the present invention, FIG. 2 is a perspective view of another embodiment of the optical element of the present invention, and FIG.
FIG. 7 is a cross-sectional view of the optical element showing the direction of dipoles in the cladding. 1.11...Optical element, 2,12...Core, 3.1
3...Clad, 4.14...Clad, E...
electric field. Patent Applicant: Sumitomo Electric Industries, Ltd. Agent: Patent Attorney: Aobai Fu and 2 others Figure 1 Figure 3 Figure 4 Figure 6 Figure 2 +2 Figure 5 Figure 7
Claims (1)
よび ｃ）クラッドを包囲するシース から成る３層を有する光ファイバ型電気光学素子。 ２、クラッドは、液晶性を有する有機化合物または非線
型光学効果を有する有機化合物である特許請求の範囲第
１項記載の光学素子。 ３、クラッドは、液晶性を有する有機化合物または非線
型光学効果を有する有機化合物が、透明高分子とブレン
ドされたもの、透明高分子にグラフトされたもの、また
は透明高分子の主鎖中に組入れられたものである特許請
求の範囲第１項または第２項に記載の光学素子。 ４、コアは、透明高分子、石英、または金属ハロゲン化
物、酸化物、フッ化物またはカルコゲン化物の多成分ガ
ラスである特許請求の範囲第１〜３項のいずれかに記載
の光学素子。 ５、シースは高分子材料からできている特許請求の範囲
第１〜４項のいずれかに記載の光学素子。[Claims] 1. Optical fiber electro-optic having three layers: a) a core as an optical transmission path, b) a cladding surrounding the core and having an electro-optic effect, and c) a sheath surrounding the cladding. element. 2. The optical element according to claim 1, wherein the cladding is an organic compound having liquid crystallinity or an organic compound having a nonlinear optical effect. 3. The cladding is made by blending an organic compound with liquid crystallinity or an organic compound with a nonlinear optical effect with a transparent polymer, grafting it onto a transparent polymer, or incorporating it into the main chain of a transparent polymer. The optical element according to claim 1 or 2, which is an optical element according to claim 1 or 2. 4. The optical element according to any one of claims 1 to 3, wherein the core is a transparent polymer, quartz, or a multicomponent glass of a metal halide, oxide, fluoride, or chalcogenide. 5. The optical element according to any one of claims 1 to 4, wherein the sheath is made of a polymeric material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61094275A JPS62249123A (en) | 1986-04-22 | 1986-04-22 | Optical fiber type electrooptic element |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61094275A JPS62249123A (en) | 1986-04-22 | 1986-04-22 | Optical fiber type electrooptic element |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62249123A true JPS62249123A (en) | 1987-10-30 |
Family
ID=14105713
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61094275A Pending JPS62249123A (en) | 1986-04-22 | 1986-04-22 | Optical fiber type electrooptic element |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62249123A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4887884A (en) * | 1989-02-23 | 1989-12-19 | Unisys Corporation | Capillary non-linear optical waveguide device |
| CN116449120A (en) * | 2023-06-20 | 2023-07-18 | 中国电力科学研究院有限公司 | High-voltage transient electric field measuring device and method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5526544A (en) * | 1978-08-17 | 1980-02-26 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber device |
| JPS5921665A (en) * | 1982-01-26 | 1984-02-03 | ジヤン・フランソワ・ニコウ | Para-nitroaniline derivative and manufacture |
| JPS6160734A (en) * | 1984-08-31 | 1986-03-28 | Tokuyama Soda Co Ltd | Liquid crystal composition |
| JPS6169039A (en) * | 1984-08-13 | 1986-04-09 | ヘキスト・セラニーズ・コーポレーション | Liquid crystalline polymer substrate with orthogonal molecule orientation |
-
1986
- 1986-04-22 JP JP61094275A patent/JPS62249123A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5526544A (en) * | 1978-08-17 | 1980-02-26 | Nippon Telegr & Teleph Corp <Ntt> | Optical fiber device |
| JPS5921665A (en) * | 1982-01-26 | 1984-02-03 | ジヤン・フランソワ・ニコウ | Para-nitroaniline derivative and manufacture |
| JPS6169039A (en) * | 1984-08-13 | 1986-04-09 | ヘキスト・セラニーズ・コーポレーション | Liquid crystalline polymer substrate with orthogonal molecule orientation |
| JPS6160734A (en) * | 1984-08-31 | 1986-03-28 | Tokuyama Soda Co Ltd | Liquid crystal composition |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4887884A (en) * | 1989-02-23 | 1989-12-19 | Unisys Corporation | Capillary non-linear optical waveguide device |
| CN116449120A (en) * | 2023-06-20 | 2023-07-18 | 中国电力科学研究院有限公司 | High-voltage transient electric field measuring device and method |
| CN116449120B (en) * | 2023-06-20 | 2023-09-08 | 中国电力科学研究院有限公司 | High-voltage transient electric field measuring device and method |
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