JPH025728U - - Google Patents
Info
- Publication number
- JPH025728U JPH025728U JP8292188U JP8292188U JPH025728U JP H025728 U JPH025728 U JP H025728U JP 8292188 U JP8292188 U JP 8292188U JP 8292188 U JP8292188 U JP 8292188U JP H025728 U JPH025728 U JP H025728U
- Authority
- JP
- Japan
- Prior art keywords
- electrochromic element
- light beam
- continuously variable
- lens
- reversing
- 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 7
- 239000013307 optical fiber Substances 0.000 claims description 3
- 230000002238 attenuated effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Optical Couplings Of Light Guides (AREA)
Description
第１図は本考案に係る連続可変光減衰器の一実
施例を示す概略構成図、第２図は従来の連続可変
光減衰器の一例を示す概略構成図、第３図は従来
の光減衰素子の一例を示す正面図である。
８，１３……光フアイバ、９……第１のレンズ
、１０……平行光ビーム、１１……エレクトロク
ロミツク素子、１２……第２のレンズ、１４……
電源、１５……プラス極出力端子、１６……マイ
ナス極出力端子、１７……分圧出力端子、１８…
…リセツトスイツチ。
FIG. 1 is a schematic configuration diagram showing an example of a continuously variable optical attenuator according to the present invention, FIG. 2 is a schematic configuration diagram showing an example of a conventional continuously variable optical attenuator, and FIG. 3 is a schematic configuration diagram showing an example of a conventional continuously variable optical attenuator. It is a front view showing an example of an element. 8, 13... Optical fiber, 9... First lens, 10... Parallel light beam, 11... Electrochromic element, 12... Second lens, 14...
Power supply, 15...Positive pole output terminal, 16...Minus pole output terminal, 17...Divided voltage output terminal, 18...
...Reset switch.
Claims (1)
り平行光ビームに変換し、光減衰素子により光の
強度を減衰させた後、この平行光ビームをレンズ
により再び光フアイバに集光させるよう構成した
連続可変光減衰器において、 光減衰素子としてエレクトロクロミツク素子を
用い、かつこのエレクトロクロミツク素子を充電
すると共に、プラス極出力端子とマイナス極出力
端子および任意に出力電圧を可変できる分圧出力
端子とを有する電源と、 前記エレクトロクロミツク素子に印加する電圧
の極性を逆転できるリセツトスイツチ とを備えたことを特徴とする連続可変光減衰器
。[Claim for Utility Model Registration] A light beam emitted from an optical fiber is converted into a parallel light beam by a lens, the intensity of the light is attenuated by an optical attenuation element, and then this parallel light beam is focused onto the optical fiber again by the lens. In a continuously variable optical attenuator configured to emit light, an electrochromic element is used as the optical attenuation element, and while this electrochromic element is charged, the positive and negative output terminals and the output voltage can be arbitrarily varied. 1. A continuously variable optical attenuator comprising: a power source having a divided voltage output terminal capable of reversing the polarity of the voltage applied to the electrochromic element; and a reset switch capable of reversing the polarity of the voltage applied to the electrochromic element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8292188U JPH025728U (en) | 1988-06-24 | 1988-06-24 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8292188U JPH025728U (en) | 1988-06-24 | 1988-06-24 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH025728U true JPH025728U (en) | 1990-01-16 |
Family
ID=31307656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8292188U Pending JPH025728U (en) | 1988-06-24 | 1988-06-24 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH025728U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07194270A (en) * | 1993-12-30 | 1995-08-01 | Hiroaki Sugiyama | Apparatus for culturing shellfishes |
-
1988
- 1988-06-24 JP JP8292188U patent/JPH025728U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH07194270A (en) * | 1993-12-30 | 1995-08-01 | Hiroaki Sugiyama | Apparatus for culturing shellfishes |
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