JP4269978B2 - 波長多重光受信モジュール - Google Patents
波長多重光受信モジュール Download PDFInfo
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- JP4269978B2 JP4269978B2 JP2004060607A JP2004060607A JP4269978B2 JP 4269978 B2 JP4269978 B2 JP 4269978B2 JP 2004060607 A JP2004060607 A JP 2004060607A JP 2004060607 A JP2004060607 A JP 2004060607A JP 4269978 B2 JP4269978 B2 JP 4269978B2
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- Japan
- Prior art keywords
- light
- light receiving
- optical fiber
- receiving module
- optical
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- Light Receiving Elements (AREA)
Description
2 球体レンズ
3 ミラー
4 多層膜フィルタ
5 受光モジュール
10 金属ベース
18 受光モジュールの金属製筐体
Claims (5)
- マルチモード光からなる複数波長の光を有限径の出射領域から出射する光ファイバと、
前記光ファイバの出射領域からの光を収束光として出射する位置に設置された集光レンズと、
前記集光レンズは前記光ファイバの光出射端面と前記集光レンズの主点との距離が前記集光レンズの焦点距離の106.7〜119%である位置に設置され、
前記集光レンズからの収束光を波長毎に異なる光軸へ反射する4つ以下の波長別フィルタ部からなる多層膜フィルタと、
各々の光軸の光を受光する受光素子を一平面上に配置した受光モジュールとを備えたことを特徴とする波長多重光受信モジュール。 - 前記光ファイバの光軸中心線とこの光ファイバの光軸中心線に平行な前記集光レンズの光軸中心線との間隔が10μm以内であることを特徴とする請求項1記載の波長多重光受信モジュール。
- 前記受光モジュールを前記受光素子が光透過窓付きの金属製筐体に収容されたキャン型受光モジュールで構成し、この光透過窓への入射光軸が前記光ファイバの中心線に対してほぼ直角になるよう前記受光モジュールを配置し、前記集光レンズと前記多層膜フィルタとの間にミラーを介在させ、このミラーを前記光ファイバの中心線に対して前記所定の角度に保持すると共に前記多層膜フィルタを前記受光モジュールの光透過窓のほぼ正面に保持する金属ベースを設け、この金属ベースを前記受光モジュールの筐体に固定したことを特徴とする請求項1又は2記載の波長多重光受信モジュール。
- 各受光素子の電気信号を増幅するプリアンプを各々別体の半導体チップで構成し、これら半導体チップを前記受光モジュールの筐体内に収容したことを特徴とする請求項3記載の波長多重光受信モジュール。
- 前記金属ベースを前記受光モジュールの筐体にレーザ溶接により固定したことを特徴とする請求項3又は4記載の波長多重光受信モジュール。
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JP2004060607A JP4269978B2 (ja) | 2004-03-04 | 2004-03-04 | 波長多重光受信モジュール |
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JP2004060607A JP4269978B2 (ja) | 2004-03-04 | 2004-03-04 | 波長多重光受信モジュール |
Publications (2)
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JP2005250117A JP2005250117A (ja) | 2005-09-15 |
JP4269978B2 true JP4269978B2 (ja) | 2009-05-27 |
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JP2004060607A Expired - Fee Related JP4269978B2 (ja) | 2004-03-04 | 2004-03-04 | 波長多重光受信モジュール |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104516069A (zh) * | 2014-11-28 | 2015-04-15 | 武汉电信器件有限公司 | Qsfp+光模块组件 |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8936405B2 (en) | 2006-05-19 | 2015-01-20 | Hitachi Metals, Ltd. | Multi-channel optical receiver module |
JP4973239B2 (ja) * | 2006-05-19 | 2012-07-11 | 日立電線株式会社 | 多チャンネル光受信モジュール |
JP2014095843A (ja) * | 2012-11-12 | 2014-05-22 | Sumitomo Electric Ind Ltd | 光合分波器およびその製造方法ならびに光通信モジュール |
US10261273B2 (en) * | 2015-02-26 | 2019-04-16 | Sumitomo Electric Industries, Ltd. | Bi-directional optical module communicating with single optical fiber and optical transceiver implementing the same |
CN106154444B (zh) | 2015-04-28 | 2018-12-28 | 华为技术有限公司 | 光收发器及光通信产品 |
CN107102405A (zh) * | 2016-02-19 | 2017-08-29 | 深圳新飞通光电子技术有限公司 | 一种带光束调整器的光发射组件、光接收组件及光模块 |
JP7548022B2 (ja) | 2021-01-13 | 2024-09-10 | 住友電気工業株式会社 | 受光モジュールの製造方法 |
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2004
- 2004-03-04 JP JP2004060607A patent/JP4269978B2/ja not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104516069A (zh) * | 2014-11-28 | 2015-04-15 | 武汉电信器件有限公司 | Qsfp+光模块组件 |
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JP2005250117A (ja) | 2005-09-15 |
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