Fiber Front End With Multiple Phase Modulations and High-Bandwidth Pulse Shaping for High-Energy Laser-Beam Smoothing

被引：13

作者：

Dorrer, Christophe ^{[1
]}

Roides, Richard ^{[1
]}

Cuffney, Robert ^{[1
]}

Okishev, Andrey V. ^{[1
]}

Bittle, Wade A. ^{[1
]}

Balonek, Gregory ^{[1
]}

Consentino, Albert ^{[1
]}

Hill, Elizabeth ^{[1
]}

Zuegel, Jonathan D. ^{[1
]}

机构：

[1] Univ Rochester, Laser Energet Lab, Rochester, NY 14623 USA

来源：

IEEE JOURNAL OF SELECTED TOPICS IN QUANTUM ELECTRONICS | 2013年 / 19卷 / 06期

关键词：

Dispersion; electro-optic modulators; fiber optics; intensity modulation; optical pulse shaping; phase modulation; INERTIAL CONFINEMENT FUSION; AM CONVERSION; IGNITION; PERFORMANCE; UNIFORMITY; FM;

D O I：

10.1109/JSTQE.2013.2260729

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：

The design and performance of a fiber front end delivering temporally shaped, phase-modulated optical pulses to a large-scale, high-energy laser system to demonstrate beam-smoothing concepts are presented. High-bandwidth LiNbO3 (lithium niobate) Mach-Zehnder modulators and arbitrary waveform generators temporally shape the power of the optical pulses. High-bandwidth, three-section LiNbO3 phase modulators precisely modulate the optical phase of the pulses at up to three microwave frequencies. Various calibration procedures and fail-safe systems are described. Sources of frequency-modulation-to-amplitude-modulation conversion, which can lead to unsafe operation of the high-energy laser system, are identified and compensated by amplitude and dispersion compensators.

引用

页数：12

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