YB: AND ND: MODE-LOCKED OSCILLATORS AND FIBER SYSTEMS INCORPORATED IN SOLID-STATE SHORT PULSE LASER SYSTEMS
First Claim
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1. A pulse source for generating pulses in the picosecond to nanosecond range, comprising:
- a seed source emitting seed pulses, said source comprising a Yb;
mode-locked fiber oscillator, a laser diode, or a microchip laser;
at least one fiber amplifier optically coupled to said seed source, and comprising a multimode fiber amplifier configured to propagate a single mode beam;
a feedback controller coupled to one or more of said seed source and said at least one fiber amplifier;
a bulk optical amplifier receiving amplified pulses from said at least one fiber amplifier and producing output pulses having pulse widths in the picosecond to nanosecond range; and
one or more pump laser diodes for pumping said seed source, said at least one fiber amplifier, and said bulk optical amplifier.
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Abstract
The invention describes classes of robust fiber laser systems usable as pulse sources for Nd: or Yb: based regenerative amplifiers intended for industrial settings. The invention modifies adapts and incorporates several recent advances in FCPA systems to use as the input source for this new class of regenerative amplifier.
38 Citations
44 Claims
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1. A pulse source for generating pulses in the picosecond to nanosecond range, comprising:
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a seed source emitting seed pulses, said source comprising a Yb;
mode-locked fiber oscillator, a laser diode, or a microchip laser;at least one fiber amplifier optically coupled to said seed source, and comprising a multimode fiber amplifier configured to propagate a single mode beam; a feedback controller coupled to one or more of said seed source and said at least one fiber amplifier; a bulk optical amplifier receiving amplified pulses from said at least one fiber amplifier and producing output pulses having pulse widths in the picosecond to nanosecond range; and one or more pump laser diodes for pumping said seed source, said at least one fiber amplifier, and said bulk optical amplifier.
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2. A pulse source, comprising:
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a seed source generating seed pulses, said seed source comprising a mode-locked fiber oscillator; a monitor for one or more parameters of said pulse source, said monitor operatively coupled to at least said mode locked fiber oscillator and responsive to one of more parameters of said mode locked fiber oscillator; a pulse stretcher comprising a first length of optical fiber, said pulse stretcher configured to receive and temporally stretch said seed pulses; a bulk optical amplifier configured to receive and amplify said temporally stretched seed pulses and to produce temporally stretched and amplified pulses; a pulse compressor disposed downstream from said bulk optical amplifier, said pulse compressor configured to compress said temporally stretched and amplified pulses and to produce compressed output pulses; and one or more pump laser diodes for pumping said seed source and said bulk optical amplifier. - View Dependent Claims (3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 39, 42, 43, 44)
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38. A pulse source, comprising:
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a seed source generating seed pulses, said seed source comprising a mode-locked fiber oscillator; a monitor for one or more parameters of said pulse source, said monitor operatively coupled to said pulse source and comprising a sensor and a controller, said monitor receiving a signal representative of said one or more parameters of said pulse source; a pulse stretcher comprising a first length of optical fiber, said pulse stretcher configured to receive and temporally stretch said seed pulses; a bulk optical amplifier configured to receive and amplify said temporally stretched seed pulses and to produce temporally stretched and amplified pulses; a pulse compressor disposed downstream from said bulk optical amplifier, said pulse compressor configured to compress said temporally stretched and amplified pulses and to produce compressed output pulses; and one or more pump laser diodes for pumping said seed source and said bulk optical amplifier.
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40. A pulse source, comprising:
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a seed source generating seed pulses, said seed source comprising a mode-locked fiber oscillator; a monitor for one or more performance parameters of said pulse source and comprising a sensor arranged after said oscillator; a pulse stretcher comprising a first length of optical fiber, said pulse stretcher configured to receive and temporally stretch said seed pulses; a bulk optical amplifier configured to receive and amplify said temporally stretched seed pulses and to produce temporally stretched and amplified pulses; a pulse compressor disposed downstream from said bulk optical amplifier, said pulse compressor configured to compress said temporally stretched and amplified pulses and to produce compressed output pulses; and one or more pump laser diodes for pumping said seed source and said bulk optical amplifier.
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41. A pulse source, comprising:
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a seed source generating seed pulses, said seed source comprising a mode-locked fiber oscillator; a monitor for one or more performance parameters of said pulse source; a pulse stretcher comprising a first length of optical fiber, said pulse stretcher configured to receive and temporally stretch said seed pulses; a bulk optical amplifier configured to receive and amplify said temporally stretched seed pulses and to produce temporally stretched and amplified pulses; a pulse compressor disposed downstream from said bulk optical amplifier, said pulse compressor configured to compress said temporally stretched and amplified pulses and to produce compressed output pulses; and one or more pump laser diodes for pumping said seed source and said bulk optical amplifier. wherein said monitor is operatively coupled to at least one of said seed source, said bulk optical amplifier, or said one or more pump diodes.
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Specification