The Long Path laser was an early high energy infrared laser at the Lawrence Livermore National Laboratory used to study inertial confinement fusion. Long path was completed in 1972 and was the first ICF laser ever to use neodymium doped glass as the lasing medium. It was capable of delivering about 50 joules of light at 1,062 nm onto a target in ~10 ns pulses. It did not use spatial filters to smooth the beam after amplification stages and thus had a fairly poor beam quality. Long path was mostly used to investigate laser energy absorption in deuterated plastic targets.
See also
Laser
Lawrence Livermore National Laboratory
List of laser articles
List of laser types
External links
"Empowering Light--Historic Accomplishments in Laser Research: 50 Years of Science". Science & Technology Review. Lawrence Livermore National Laboratory. July 8, 2003. Archived from the original on 2004-11-09.
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Lawrence Livermore National Laboratory
Facilities
Mirror Fusion Test Facility
Tandem Mirror Experiment National Atmospheric Release Advisory Center National Energy Research Scientific Computing Center National Ignition Facility
Supercomputers
ASC Purple ASCI Blue Pacific ASCI White Peloton Sierra
Products
Lasers
Argus Cyclops Janus Long path Nova Novette Shiva
Others
Gist LLNL RISE process LX-14 Micropower impulse radar Reliable Replacement Warhead ROSE SCALD Silo Slapper detonator W47 W70 W71 Yorick
People
Ernest Lawrence Edward Teller
Related
IBM Blue Gene Inertial confinement fusion Laser Inertial Fusion Energy Stockpile stewardship Sustained Spheromak Physics Experiment Z-Division
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Fusion power, processes and devices
Core topics
Nuclear fusion
Timeline List of experiments Nuclear power Nuclear reactor Atomic nucleus Fusion energy gain factor Lawson criterion Magnetohydrodynamics Neutron Plasma
Processes,
methods
Confinement
type
Gravitational
Alpha process Triple-alpha process CNO cycle Fusor Helium flash Nova
remnants Proton-proton chain Carbon-burning Lithium burning Neon-burning Oxygen-burning Silicon-burning R-process S-process
Magnetic
Dense plasma focus Field-reversed configuration Levitated dipole Magnetic mirror
Bumpy torus Reversed field pinch Spheromak Stellarator Tokamak
Spherical Z-pinch
Inertial
Bubble (acoustic) Laser-driven Magnetized Liner Inertial Fusion
Fusor Polywell
Other forms
Colliding beam Magnetized target Migma Muon-catalyzed Pyroelectric
Devices, experiments
Magnetic confinement
Tokamak
International
ITER DEMO PROTO
Americas
Canada STOR-M United States Alcator C-Mod ARC
SPARC DIII-D Electric Tokamak LTX NSTX
PLT TFTR Pegasus Brazil ETE Mexico Novillo [es]
Asia,
Oceania
China CFETR EAST
HT-7 SUNIST India ADITYA SST-1 Japan JT-60 QUEST [ja] Pakistan GLAST South Korea KSTAR
Europe
European Union JET Czech Republic COMPASS GOLEM [cs] France TFR WEST Germany ASDEX Upgrade TEXTOR Italy FTU IGNITOR Portugal ISTTOK Russia T-15 Switzerland TCV United Kingdom MAST-U START STEP
Stellarator
Americas
United States CNT CTH HIDRA HSX Model C NCSX Costa Rica SCR-1
Asia,
Oceania
Australia H-1NF Japan Heliotron J LHD
Europe
Germany WEGA Wendelstein 7-AS Wendelstein 7-X Spain TJ-II Ukraine Uragan-2M
Uragan-3M [uk]
Italy RFX United States MST
Magnetized target
Canada SPECTOR United States LINUS FRX-L – FRCHX Fusion Engine
Other
Russia GDT United States Astron LDX Lockheed Martin CFR MFTF
TMX Perhapsatron PFRC Riggatron SSPX United Kingdom Sceptre Trisops ZETA
Inertial confinement
Laser
Americas
United States Argus Cyclops Janus LIFE Long path NIF Nike Nova OMEGA Shiva
Asia
Japan GEKKO XII
Europe
European Union HiPER Czech Republic Asterix IV (PALS) France LMJ LULI2000 Russia ISKRA United Kingdom Vulcan
Non-laser
Applications
Thermonuclear weapon
Pure fusion weapon
International Fusion Materials Irradiation Facility ITER Neutral Beam Test Facility
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Solid-state lasers
Distinct subtypes
Semiconductor laser
Yttrium aluminium garnet
Nd:YAG laser Er:YAG laser Nd:Cr:YAG Yb:YAG Nd:Ce:YAG Ho:YAG Dy:YAG Sm:YAG Tb:YAG Ce:YAG Ce:Gd:YAG Gd:YAG
Glass
Nd:glass Ytterbium glass 147Pm+3:Glass Er:Yb:Glass
Other gain media
Ruby laser Yttrium iron garnet (YIG) Terbium gallium garnet (TGG) Ti:sapphire laser Solid-state dye laser (SSDL/SSOL/SSDPL) Yttrium lithium fluoride (YLF)
Neodymium-doped yttrium lithium fluoride (Nd:YLF) Yttrium orthovanadate (YVO4)
Neodymium-doped yttrium orthovanadate (Nd:YVO4) Yttrium calcium oxoborate (YCOB)
Nd:YCOB laser Ce:LiSAF Ce:LiCAF Cr:ZnSe U:CaF2 Sm:CaF2 Yb:SFAP
Structures
Diode-pumped solid-state laser (DPSSL) Fiber laser Figure-8 laser Disk laser F-center laser
Specific lasers
Trident laser ZEUS-HLONS (HMMWV Laser Ordnance Neutralization System) Nova (laser) Cyclops laser Janus laser Argus laser Shiva laser HiPER Laboratory for Laser Energetics Laser Mégajoule LULI2000 Mercury laser ISKRA-6 Vulcan laser
Aspects
Mode-locking Energy transfer upconversion Solar-pumped laser
Laser types: Solid-state
Semiconductor Dye Gas
Chemical Excimer Ion Metal Vapor
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