JPS6165419U - - Google Patents
Info
- Publication number
- JPS6165419U JPS6165419U JP1985158554U JP15855485U JPS6165419U JP S6165419 U JPS6165419 U JP S6165419U JP 1985158554 U JP1985158554 U JP 1985158554U JP 15855485 U JP15855485 U JP 15855485U JP S6165419 U JPS6165419 U JP S6165419U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- optical transmission
- transmission path
- light
- transmission line
- 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
- 230000003287 optical effect Effects 0.000 claims description 23
- 230000005540 biological transmission Effects 0.000 claims description 9
- 238000010586 diagram Methods 0.000 description 8
- 239000000919 ceramic Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000013307 optical fiber Substances 0.000 description 1
Description
第１図は本考案の光変調器の一実施例に係り、
ａは本考案の光変調器を光変成器に用いた態様を
示すブロツク図、ｂは光送信器の一例を示す回路
図、ｃは光変調器の一構造例を示す斜視図、ｄは
光−電気変換器の一例を示す回路図である。第２
図は本考案の光変調器の動作を説明する図面であ
り、ａは遮光板の初期位置を示す説明図、ｂ及び
ｃは圧電素子の変形を示す説明図、ｄは光変調器
の特性図である。
図面中、１は光送信器、２は第１の光伝送路（
光フアイバ）、２ａは第２の光伝送路（光フアイ
バ）、３は光変調器、４は信号源、５，５ａは入
力端子、６は光−電気変換器、７，７ａは端子、
８は増幅器、９は出力端子、１０，１２，１７，
１９，１９ａは直流電源、１１は発光素子、１３
，１８は抵抗器、１４は圧電素子（バイモルフ型
セラミツク振動子）、１５は遮光板、１６は光電
変換素子、Ａは光伝送空間、Ｂは光変調器の特性
曲線、Ｉは第２の光伝送路へ伝送される光エネル
ギの量、Ｋは遮光板の位置である。
FIG. 1 shows an embodiment of the optical modulator of the present invention.
a is a block diagram showing an embodiment in which the optical modulator of the present invention is used in an optical transformer, b is a circuit diagram showing an example of an optical transmitter, c is a perspective view showing an example of the structure of an optical modulator, and d is a block diagram showing an example of an optical transmitter. - a circuit diagram showing an example of an electrical converter; Second
The figures are diagrams explaining the operation of the optical modulator of the present invention, where a is an explanatory diagram showing the initial position of the light shielding plate, b and c are explanatory diagrams showing deformation of the piezoelectric element, and d is a characteristic diagram of the optical modulator. It is. In the drawing, 1 is an optical transmitter, 2 is a first optical transmission line (
2a is a second optical transmission line (optical fiber), 3 is an optical modulator, 4 is a signal source, 5 and 5a are input terminals, 6 is an optical-electrical converter, 7 and 7a are terminals,
8 is an amplifier, 9 is an output terminal, 10, 12, 17,
19, 19a is a DC power supply, 11 is a light emitting element, 13
, 18 is a resistor, 14 is a piezoelectric element (bimorph ceramic resonator), 15 is a light shielding plate, 16 is a photoelectric conversion element, A is an optical transmission space, B is a characteristic curve of the optical modulator, and I is a second light beam. The amount of optical energy transmitted to the transmission line, K, is the position of the light shield.
Claims (1)
路と、第１の光伝送路からの光エネルギを受光す
る第２の光伝送路と、電気信号が加えられる圧電
素子を含み該圧電素子の変形に応じて前記第１の
光伝送路と第２の光伝送路間の空間を遮光し、加
えられた電気信号に応じて通過光量を連続的に変
化させる遮光機構とを備えたことを特徴とするア
ナログ式光変調器。 A first optical transmission path that transmits optical energy from a light source, a second optical transmission path that receives optical energy from the first optical transmission path, and a piezoelectric element to which an electrical signal is applied. A light shielding mechanism that shields the space between the first optical transmission line and the second optical transmission line from light according to the deformation, and continuously changes the amount of light passing through according to the applied electric signal. Analog optical modulator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985158554U JPS6165419U (en) | 1985-10-18 | 1985-10-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1985158554U JPS6165419U (en) | 1985-10-18 | 1985-10-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6165419U true JPS6165419U (en) | 1986-05-06 |
Family
ID=30716532
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1985158554U Pending JPS6165419U (en) | 1985-10-18 | 1985-10-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6165419U (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54161951A (en) * | 1978-06-13 | 1979-12-22 | Nippon Telegr & Teleph Corp <Ntt> | Photo switch |
-
1985
- 1985-10-18 JP JP1985158554U patent/JPS6165419U/ja active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54161951A (en) * | 1978-06-13 | 1979-12-22 | Nippon Telegr & Teleph Corp <Ntt> | Photo switch |
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