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14.6.2 Temporal Beam Conditioning with
One-Dimensional SSD . . . . . . . . . . . . 391
14.6.3 Frequency Conversion of Spatially
and Temporally Conditioned
Pulses . . . . . . . . . . . . . . . . . . . . . . . . . 393
14.6.4 Temporal Pulse Shaping . . . . . . . . . . 394
14.7 2010 NIF Status and Experiments . . . . . . . . . 395
Conclusion . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 405
Acknowledgments . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 406
Part 4 Fiber Lasers
15 Introduction to Optical Fiber Lasers
Liang Dong, Martin E. Fermann . . . . . . . . . . . . . . . . . . . 413
15.1 Background . . . . . . . . . . . . . . . . . . . . . . . . . . . . 413
15.1.1 History . . . . . . . . . . . . . . . . . . . . . . . . . 413
15.1.2 Advantages of Fiber Lasers . . . . . . . 415
15.2 Rare-Earth-Doped Optical Fibers . . . . . . . . . 416
15.2.1 Basics of Optical Fibers . . . . . . . . . . . 416
15.2.2 Properties of Rare-Earth-Doped
Optical Fibers . . . . . . . . . . . . . . . . . . . 420
15.2.3 Power Scaling of Fiber Lasers . . . . . 426
15.2.4 Fibers for High-Power Fiber Lasers 435
15.3 Optical Fiber Lasers . . . . . . . . . . . . . . . . . . . . . 445
15.3.1 Continuous Wave Fiber Lasers . . . . 445
15.3.2 Q-Switched Lasers . . . . . . . . . . . . . . 453
15.3.3 Mode-Locked Fiber Lasers . . . . . . . . 454
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 458
16 Pulsed Fiber Lasers Fabio Di Teodoro . . . . . . . . . . . . 463
16.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 463
16.2 Challenges to Pulse Power Scaling . . . . . . . . 464
16.2.1 Nonlinear Optical Effects . . . . . . . . . 464
16.2.2 Amplified Spontaneous Emission . . . 471
16.2.3 Optical Damage . . . . . . . . . . . . . . . . . 472
16.3 Fiber Laser Trades for High-Pulse-Power
Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 474
16.3.1 Type of Fiber . . . . . . . . . . . . . . . . . . . . 474
16.3.2 Amplified Spontaneous Emission
Management . . . . . . . . . . . . . . . . . . . . 477
16.3.3 MOPA versus Power Oscillators . . . 478
16.4 High Pulse Energy and Peak Power
Fiber Amplifiers: Results . . . . . . . . . . . . . . . . . 480
16.4.1 Single-Stage Fiber Amplifiers . . . . . . 480