Page 12 - High Power Laser Handbook
P. 12
Co n t e n t s xi
12.5 Pulse Measurement . . . . . . . . . . . . . . . . . . . . . 317
12.6 Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . 319
12.6.1 Filaments . . . . . . . . . . . . . . . . . . . . . . 319
12.6.2 Precision Machining with Minimum
Collateral Damage . . . . . . . . . . . . . . . 319
12.6.3 Laser-Based Photon and Particle
Sources . . . . . . . . . . . . . . . . . . . . . . . . . 321
12.6.4 High Harmonic Generation . . . . . . . 321
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 324
13 Ultrafast Lasers in Thin-Disk Geometry
Christian Kränkel, Deran J. H. C. Maas,
Thomas Südmeyer, Ursula Keller . . . . . . . . . . . . . . . . . . . 327
13.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 327
13.2 Pump Geometry . . . . . . . . . . . . . . . . . . . . . . . . 329
13.3 Thermal Management in Thin-Disk
Geometry . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 331
13.4 SESAM Mode Locking . . . . . . . . . . . . . . . . . . 336
13.4.1 Pulse Formation Mechanisms . . . . . 336
13.4.2 Different Operation Regimes . . . . . . 338
13.5 Conclusion and Outlook . . . . . . . . . . . . . . . . . 348
References . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 349
14 The National Ignition Facility Laser
Richard A. Sacks, Christopher A. Haynam . . . . . . . . . . . 357
14.1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . 357
14.2 Historical Background . . . . . . . . . . . . . . . . . . . 358
14.3 NIF Facility and Laser Overview . . . . . . . . . . 362
14.4 1ω Bundle Performance and 1ω/3ω NIF
Operating Envelopes . . . . . . . . . . . . . . . . . . . . 366
14.4.1 Energetics and the Laser
Performance Operations Model
Calibration Results . . . . . . . . . . . . . . . 367
14.4.2 Power versus Energy Operating
Envelopes for NIF . . . . . . . . . . . . . . . 368
14.5 Performance Qualification Shots for
Ignition Target Pulse Shapes . . . . . . . . . . . . . 371
14.5.1 Master Oscillator and Pulse
Shaping System . . . . . . . . . . . . . . . . . 371
14.5.2 Preamplifier Module Description and
Performance . . . . . . . . . . . . . . . . . . . . 372
14.5.3 Main Laser 1ω Performance . . . . . . . 376
14.5.4 Frequency Conversion Performance . . . 378
14.6 Focal Spot Beam Conditioning and Precision
Pulse Shaping for Ignition Experiments . . . . 385
14.6.1 Spatial Beam Conditioning with
Phase Plates . . . . . . . . . . . . . . . . . . . . . 388