JPH01142907U - - Google Patents
Info
- Publication number
- JPH01142907U JPH01142907U JP3825488U JP3825488U JPH01142907U JP H01142907 U JPH01142907 U JP H01142907U JP 3825488 U JP3825488 U JP 3825488U JP 3825488 U JP3825488 U JP 3825488U JP H01142907 U JPH01142907 U JP H01142907U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- waveguide
- optical fiber
- substrate
- face
- 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.)
- Granted
Links
- 230000003287 optical effect Effects 0.000 claims description 10
- 239000013307 optical fiber Substances 0.000 claims description 6
- 239000000758 substrate Substances 0.000 claims description 3
- 238000000253 optical time-domain reflectometry Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Description
第１図は本考案の一実施例である導波路型光デ
バイスの光導波路と受光側光フアイバとの結合部
を示す斜視図、第２図は従来のＯＴＤＲに用いら
れる導波路型光スイツチを示す斜視図、第３図は
第１図に示した本実施例のＯＴＤＲ用導波路型光
スイツチのクロストーク特性と従来の導波路型光
スイツチのクロストーク特性との比較を示す図で
ある。
２０……基板、２１……光導波路、２２，２３
……溝、２４……光フアイバ、２５……光フアイ
バコア、２６……光フアイバクラツド。
Fig. 1 is a perspective view showing a coupling part between an optical waveguide and a light-receiving optical fiber of a waveguide type optical device which is an embodiment of the present invention, and Fig. 2 shows a waveguide type optical switch used in a conventional OTDR. The perspective view shown in FIG. 3 is a diagram showing a comparison between the crosstalk characteristics of the waveguide type optical switch for OTDR according to the present embodiment shown in FIG. 1 and the crosstalk characteristics of a conventional waveguide type optical switch. 20... Substrate, 21... Optical waveguide, 22, 23
... groove, 24 ... optical fiber, 25 ... optical fiber core, 26 ... optical fiber clad.
Claims (1)
イバとから構成されるとともに、前記光フアイバ
が結合される前記光導波路の端面近傍に溝を設け
たことを特徴とする導波路型光デバイス。[Claims for Utility Model Registration] Consists of a substrate on which an optical waveguide is formed, and an optical fiber coupled to the end face of the optical waveguide of this substrate, and near the end face of the optical waveguide to which the optical fiber is coupled. A waveguide-type optical device characterized by having a groove in it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988038254U JPH0635206Y2 (en) | 1988-03-25 | 1988-03-25 | Waveguide optical device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988038254U JPH0635206Y2 (en) | 1988-03-25 | 1988-03-25 | Waveguide optical device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01142907U true JPH01142907U (en) | 1989-09-29 |
| JPH0635206Y2 JPH0635206Y2 (en) | 1994-09-14 |
Family
ID=31264811
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988038254U Expired - Lifetime JPH0635206Y2 (en) | 1988-03-25 | 1988-03-25 | Waveguide optical device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0635206Y2 (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58147710A (en) * | 1982-02-26 | 1983-09-02 | Nec Corp | Waveguide type optical control device |
| JPS59198432A (en) * | 1983-04-26 | 1984-11-10 | Fujitsu Ltd | Waveguide type optical switch |
| JPS63300203A (en) * | 1987-05-29 | 1988-12-07 | Fujitsu Ltd | Light guide |
-
1988
- 1988-03-25 JP JP1988038254U patent/JPH0635206Y2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58147710A (en) * | 1982-02-26 | 1983-09-02 | Nec Corp | Waveguide type optical control device |
| JPS59198432A (en) * | 1983-04-26 | 1984-11-10 | Fujitsu Ltd | Waveguide type optical switch |
| JPS63300203A (en) * | 1987-05-29 | 1988-12-07 | Fujitsu Ltd | Light guide |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0635206Y2 (en) | 1994-09-14 |