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Currently an advanced superconducting test accelerator (ASTA) is being built at Fermilab. The accelerator will consist of an photo electron gun, injector, ILC-type cryomodules, multiple downstream beam lines for testing cryomodules and carrying advanced accelerator researches. In this paper we will describe the design and commissioning of the drive laser system for this facility. It consists of a fiber laser system properly locked to the master frequency, a regen-amplifier, several power amplifier and final wavelength conversion stage. We will also report the initial characterization of the fiber laser system and the current commissioning status of the laser system.
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