JP2007025422A - 波長分岐フィルタ及び光通信モジュール - Google Patents
波長分岐フィルタ及び光通信モジュール Download PDFInfo
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- JP2007025422A JP2007025422A JP2005209580A JP2005209580A JP2007025422A JP 2007025422 A JP2007025422 A JP 2007025422A JP 2005209580 A JP2005209580 A JP 2005209580A JP 2005209580 A JP2005209580 A JP 2005209580A JP 2007025422 A JP2007025422 A JP 2007025422A
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- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B5/00—Optical elements other than lenses
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- G02B5/28—Interference filters
- G02B5/285—Interference filters comprising deposited thin solid films
Abstract
【解決手段】 ガラス基板10上に入射光側に位置する第1の多層膜11と、出射光側に位置する第2の多層膜12とを形成してなる波長分岐フィルタであって、第1の多層膜11は1490nmの波長帯域の光を反射させ、1310nmの波長帯域の光を透過させる特性を有し、第2の多層膜12は1650nmの波長帯域の光を反射させ、1310nmの波長帯域の光を透過させる特性を有する。
【選択図】 図1
Description
上記第1の多層膜は1490nmの波長帯域の光を反射させ、1310nmの波長帯域の光を透過させる特性を有し、上記第2の多層膜は1650nmの波長帯域の光を反射させ、1310nmの波長帯域の光を透過させる特性を有することを特徴として構成されている。
上記波長分岐フィルタはガラス基板上に入射光側に位置する第1の多層膜と、出射光側に位置する第2の多層膜とを形成し、上記第1の多層膜は1490nmの波長帯域の光を反射させ、1310nmの波長帯域の光を透過させる特性を有し、上記第2の多層膜は1650nmの波長帯域の光を反射させ、1310nmの波長帯域の光を透過させる特性を有してなり、上記発光部が出射する光を上記光ファイバの端面方向に反射すると共に、上記光ファイバの端面から出射された光を透過することを特徴として構成されている。
2 受光部
3 発光部
4 レンズ
5 光ファイバ
5a フェルール
10 ガラス基板
11 第1の多層膜フィルタ
12 第2の多層膜フィルタ
Claims (2)
- ガラス基板上に入射光側に位置する第1の多層膜と、出射光側に位置する第2の多層膜とを形成してなる波長分岐フィルタであって、
上記第1の多層膜は1490nmの波長帯域の光を反射させ、1310nmの波長帯域の光を透過させる特性を有し、上記第2の多層膜は1650nmの波長帯域の光を反射させ、1310nmの波長帯域の光を透過させる特性を有することを特徴とする波長分岐フィルタ。 - 光ファイバの光軸方向に配置され1310nmの波長帯域の光を受光する受光部と、上記光ファイバの光軸方向と直交する方向に配置され1490nmの波長帯域の光を発光する発光部と、上記受光部と発光部の光軸が交差する位置に配置される波長分岐フィルタとから構成され、
上記波長分岐フィルタはガラス基板上に入射光側に位置する第1の多層膜と、出射光側に位置する第2の多層膜とを形成し、上記第1の多層膜は1490nmの波長帯域の光を反射させ、1310nmの波長帯域の光を透過させる特性を有し、上記第2の多層膜は1650nmの波長帯域の光を反射させ、1310nmの波長帯域の光を透過させる特性を有してなり、上記発光部が出射する光を上記光ファイバの端面方向に反射すると共に、上記光ファイバの端面から出射された光を透過することを特徴とする光通信モジュール。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2005209580A JP2007025422A (ja) | 2005-07-20 | 2005-07-20 | 波長分岐フィルタ及び光通信モジュール |
US11/445,088 US7580191B2 (en) | 2005-07-20 | 2006-05-31 | Wavelength branching filter and optical communication module |
CNB2006101075119A CN100568774C (zh) | 2005-07-20 | 2006-07-20 | 波长分路滤波器以及光通信模块 |
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JP2005209580A JP2007025422A (ja) | 2005-07-20 | 2005-07-20 | 波長分岐フィルタ及び光通信モジュール |
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JP2007025422A true JP2007025422A (ja) | 2007-02-01 |
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JP2005209580A Withdrawn JP2007025422A (ja) | 2005-07-20 | 2005-07-20 | 波長分岐フィルタ及び光通信モジュール |
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US (1) | US7580191B2 (ja) |
JP (1) | JP2007025422A (ja) |
CN (1) | CN100568774C (ja) |
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Publication number | Publication date |
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US7580191B2 (en) | 2009-08-25 |
CN1901411A (zh) | 2007-01-24 |
CN100568774C (zh) | 2009-12-09 |
US20070019286A1 (en) | 2007-01-25 |
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