System Response in Passively Phased Fiber Amplifier Arrays

被引：1

作者：

Shakir, Sami A. ^{[1
]}

Culver, Bill ^{[1
]}

Nelson, Burke ^{[1
]}

Starcher, Yuji ^{[1
]}

Bates, George M. ^{[2
]}

Hedrick, Jerry W., Jr. ^{[2
]}

机构：

[1] Northrop Grumman, NGIT DES, Albuquerque, NM 87106 USA

[2] Northrop Grumman, NGES, Albuquerque, NM 87106 USA

来源：

OPTICAL TECHNOLOGIES FOR ARMING, SAFING, FUZING, AND FIRING IV | 2008年 / 7070卷

关键词：

D O I：

10.1117/12.795315

中图分类号：

O43 [光学];

学科分类号：

070207 ; 0803 ;

摘要：

System temporal response In passively phased fiber amplifier arrays dictates how fast a passively phased system can correct for phase fluctuations due to thermal and mechanical effects. The system response time was measured by employing a variable-speed mechanical chopper in the feedback loop of a passively phased system then measuring the on-axis output intensity of the system as a function of time. Observed relaxation oscillations are compared to theory. The system response time was measured to be about 20 mu sec. We also find that passive phasing improved the system's beam stability and extraction efficiency.

引用

页数：9

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