Micromachining-based fiber-coupled variable optical attenuator

被引：0
|
作者：
Yan, HM [1 ]
Cao, ZH [1 ]
Wu, X [1 ]
机构：
[1] Zhejiang Univ, Dept Opt Engn, State Key Lab Modern Opt Instrumentat, Hangzhou 310027, Peoples R China
来源：
OPTOELECTRONIC DEVICES AND INTEGRATION, PTS 1 AND 2 | 2005年 / 5644卷
关键词：
variable optical attenuator; direct couple; fiber-optic communications;
D O I：
10.1117/12.577310
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
A design of micromachining based direct-coupled variable optical attenuator (VOA) is presented. The device, fabricated by using CNC engraving and laser spot welding techniques, operates by misaligning a fiber-to-fiber coupling through a lateral displacement of one of the fibers Mounted on a micro-machined flexure driven electromagnetically. An FET software package ANSYS was employed to optimize micro-mechanical structure and simulation of the device operation was described in detail. The measured performance of a VOA prototype is reported, featuring a fast dynamic response (< 2.3 ms), great dynamic range (0 similar to 65dB) and wide bandwidth.
引用
收藏
页码：700 / 705
页数：6
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