2011
DOI: 10.1364/oe.19.011667
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Nd:YAG single-crystal fiber as high peak power amplifier of pulses below one nanosecond

Abstract: We explore the potential of Nd:YAG single-crystal fibers for the amplification of passively Q-switched microlasers operating below 1 ns. Different regimes are tested in single or double pass configurations. For high gain and high power amplification this novel gain medium provided average powers up to 20 W at high repetition rate (over 40 kHz) for a pulse duration of 1 ns. As an energy amplifier, Nd:YAG single-crystal fiber delivered 2.7 mJ, 6 MW 450 ps pulses at 1 kHz. The extraction efficiencies vary from 8%… Show more

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Cited by 41 publications
(18 citation statements)
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“…The 1,064 nm amplified laser system is described in detail in [4]. It is composed of a microchip laser amplified with a Nd:YAG SCF in double pass configuration.…”
Section: Experiments Setup and Resultsmentioning
confidence: 99%
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“…The 1,064 nm amplified laser system is described in detail in [4]. It is composed of a microchip laser amplified with a Nd:YAG SCF in double pass configuration.…”
Section: Experiments Setup and Resultsmentioning
confidence: 99%
“…In the past few years, single-crystal fiber (SCF) technology has proved to be an interesting solution to boost the performance of passively Q-switched microchip lasers [4]: it provides unique combination of high gain, high peak power and significant average power, with the most simple amplification scheme possible (one or two passes).…”
Section: Introductionmentioning
confidence: 99%
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“…Due to the short distance between the pumping region and surrounding temperature, the fiber crystal can remove heat efficiently. Owing to the long (typically 50 mm) and thin (typically U < 1 mm) properties, fiber crystal can confine the pump beam by guiding and be able to propagate the signal beam in free space without guiding or diffraction [22]. Taking into account these advantages, we plan to develop Ti:Al 2 O 3 single-crystal fibers with l-PD technique, and investigate its spectroscopic properties.…”
Section: Introductionmentioning
confidence: 99%
“…The high gain amplifier is a Taranis, Nd doped -YAG fiber module from Fibercryst. Such a fiber amplifier had been already tested successfully to amplify sub nanosecond passively Qswitched microlasers [4]. The type 0 PPLN NesCOPO device allows 3.3 -3.7 μm coverage.…”
mentioning
confidence: 99%