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Method and apparatus for a hybrid mode-locked fiber laser

  • US 8,630,320 B2
  • Filed: 08/29/2008
  • Issued: 01/14/2014
  • Est. Priority Date: 08/31/2007
  • Status: Active Grant
First Claim
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1. An apparatus for producing coherent pulsed light with a fiber-based master oscillator/fiber amplifier architecture, the apparatus comprising:

  • a fiber-coupled mode-locked laser source configured to provide pulses having a pulse duration of less than 1 ns;

    a fiber-coupled amplitude modulator optically coupled to the fiber-coupled mode-locked laser source, the fiber-coupled amplitude modulator configured for gate durations greater than 1 ns to deliver gated pulse packets having more than one pulse per pulse packet; and

    a fiber power amplifier optically coupled to the fiber-coupled amplitude modulator and configured for operating in a saturated mode from the pulse packets,wherein the fiber-coupled amplitude modulator comprises at least one of a Mach-Zehnder modulator or an acousto-optic modulator, each modulator configured to deliver gated pulse packets having more than one pulse per pulse packet.

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