JPH0531616Y2 - - Google Patents
Info
- Publication number
- JPH0531616Y2 JPH0531616Y2 JP19020587U JP19020587U JPH0531616Y2 JP H0531616 Y2 JPH0531616 Y2 JP H0531616Y2 JP 19020587 U JP19020587 U JP 19020587U JP 19020587 U JP19020587 U JP 19020587U JP H0531616 Y2 JPH0531616 Y2 JP H0531616Y2
- Authority
- JP
- Japan
- Prior art keywords
- light
- optical
- optical waveguide
- square hole
- section
- 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.)
- Expired - Lifetime
Links
- 230000003287 optical effect Effects 0.000 claims description 115
- 238000001514 detection method Methods 0.000 claims description 14
- 230000035945 sensitivity Effects 0.000 claims description 12
- 238000010586 diagram Methods 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 3
- 238000009792 diffusion process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000002411 adverse Effects 0.000 description 1
- 230000002238 attenuated effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000007747 plating Methods 0.000 description 1
- 238000005476 soldering Methods 0.000 description 1
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19020587U JPH0531616Y2 (en]) | 1987-12-15 | 1987-12-15 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19020587U JPH0531616Y2 (en]) | 1987-12-15 | 1987-12-15 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0194915U JPH0194915U (en]) | 1989-06-22 |
| JPH0531616Y2 true JPH0531616Y2 (en]) | 1993-08-13 |
Family
ID=31481196
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19020587U Expired - Lifetime JPH0531616Y2 (en]) | 1987-12-15 | 1987-12-15 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0531616Y2 (en]) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2004264787A (ja) * | 2003-03-04 | 2004-09-24 | Ntt Electornics Corp | 光減衰量制御方法および光減衰量制御装置 |
| US20110080590A1 (en) * | 2008-04-15 | 2011-04-07 | Sumitomo Electric Industries, Ltd. | Method of manufacturing preform for optical waveguide |
-
1987
- 1987-12-15 JP JP19020587U patent/JPH0531616Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0194915U (en]) | 1989-06-22 |
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