High Average Power Fiber Lasers for LIGO

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$Numerical simulation of diffraction grating alignment and ... - DCC$

What Now?• The High-Power fiber laser industrycontinues to move very fast– Very soon the following will be known• 20-W 100-µm-fiber-coupled wavelength-stabilizedpumps will be available for about $2k– Temperature feedback control is unnecessary --- diodescan be fan cooled– 1 diode per 10-W system (the pump diode industry isalso making progress)• Suitable high-power pump / signal combiners willbe available for about $300
Build Your Own!• Cost of materials– Pump diode $2000– Signal / Pump combiner 300– Gain fiber 200– Taps, monitor PD’s, polarizer 1000– Electronics, diode driver 1000– Assembly ?All in all, a 10W amplifier for less than $5k
Page 1 and 2: Stanford Laser Amplifiers for LIGON
Page 3: 10-W front endGoals• ~10 W of pow
Page 6 and 7: Pump StrippingFailure SiteWe still
Page 8 and 9: Collimating the signal•Relative p
Page 10 and 11: Test Results for First System•Dec
Page 14 and 15: Future System Proposal30W integrate
Page 16 and 17: Optical Layout (new)136-W single-fr
Page 18 and 19: LMA Fiber Amplifier Highlights• G
Page 20 and 21: Phosphate fiber sources
Page 22 and 23: Double-Clad Phosphate FiberFiber fa
Page 24 and 25: 10-W Single-mode Yb 3+ -doped phosp

High Average Power Fiber Lasers for LIGO

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