JPH0171702U - - Google Patents
Info
- Publication number
- JPH0171702U JPH0171702U JP1987166153U JP16615387U JPH0171702U JP H0171702 U JPH0171702 U JP H0171702U JP 1987166153 U JP1987166153 U JP 1987166153U JP 16615387 U JP16615387 U JP 16615387U JP H0171702 U JPH0171702 U JP H0171702U
- Authority
- JP
- Japan
- Prior art keywords
- optical
- ferrules
- optical attenuator
- polished
- dielectric
- 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 9
- 239000002184 metal Substances 0.000 claims description 2
- 239000013307 optical fiber Substances 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 claims 1
- 230000013011 mating Effects 0.000 claims 1
- 230000006866 deterioration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Landscapes
- Optical Couplings Of Light Guides (AREA)
- Light Guides In General And Applications Therefor (AREA)
Description
第１図は本考案の一実施例に係る光減衰器の側
断面図、第２図は第１図の光減衰部の拡大図、第
３図は従来例に係る光減衰器の側断面図、第４図
は第３図の光減衰器による光信号の劣化状態を示
す図である。
１１，１２，３１：フエルール、１３，１４，
３２：光フアイバ、１５，３４：ワツシヤ、１６
，３３：ナツト、１７，１８，３５：光減衰板、
１９，４０：ハウジング、２１：金属蒸着膜、３
６，３７：レンズホルダ、３８，３９：レンズ。
FIG. 1 is a side sectional view of an optical attenuator according to an embodiment of the present invention, FIG. 2 is an enlarged view of the optical attenuator shown in FIG. 1, and FIG. 3 is a side sectional view of an optical attenuator according to a conventional example. , FIG. 4 is a diagram showing the state of deterioration of the optical signal by the optical attenuator of FIG. 3. 11, 12, 31: Ferrule, 13, 14,
32: Optical fiber, 15, 34: Washer, 16
, 33: nut, 17, 18, 35: light attenuation plate,
19, 40: Housing, 21: Metal vapor deposition film, 3
6, 37: Lens holder, 38, 39: Lens.
Claims (1)
個のフエルールと、前記二個のフエルールの間に
介在させた厚さの等しい二枚の吸収型光減衰器と
を備え、前記二枚の吸収型光減衰器の合せ面のい
ずれか一方または両方に金属または誘電体からな
る光減衰膜を施したことを特徴とする光減衰器。 Two ferrules each having a built-in optical fiber and polished to a spherical shape at both ends, and two absorption type optical attenuators of equal thickness interposed between the two ferrules, An optical attenuator characterized in that an optical attenuation film made of metal or dielectric is applied to one or both of the mating surfaces of the optical attenuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166153U JPH0171702U (en) | 1987-10-31 | 1987-10-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987166153U JPH0171702U (en) | 1987-10-31 | 1987-10-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0171702U true JPH0171702U (en) | 1989-05-15 |
Family
ID=31453285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987166153U Pending JPH0171702U (en) | 1987-10-31 | 1987-10-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0171702U (en) |
-
1987
- 1987-10-31 JP JP1987166153U patent/JPH0171702U/ja active Pending
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