Passively mode-locked Yb:Lu2O3 laser

Griebner, Uwe; Petrov, Valentín; Petermann, K.; Péters, V.

doi:10.1364/opex.12.003125

Cited by 140 publications

(65 citation statements)

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“…With this material 300 W of pump-limited output power at 74 % optical efficiency could be obtained in multimode cw operation corresponding to the highest efficiency of any high-power TDL so far [5]. In addition, the broad emission bandwidth of Yb:Lu 2 O 3 allows for the generation of ultrashort pulse [7] which resulted in pulse durations as short as 738 fs at an average output power as high as 141 W demonstrated in a mode-locked thin disk laser [8]. Quite recently this result was surpassed by Yb:YAG with 583 fs at 275 W using a vacuum environment [9].…”

Section: Introductionmentioning

confidence: 99%

Yb-doped mixed sesquioxides for ultrashort pulse generation in the thin disk laser setup

Beil¹,

Saraceno

Schriber

et al. 2013

Appl. Phys. B

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Section: Introductionmentioning

confidence: 99%

Yb-doped mixed sesquioxides for ultrashort pulse generation in the thin disk laser setup

Beil¹,

Saraceno

Schriber

et al. 2013

Appl. Phys. B

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“…Even attempting to narrow our range of interest, the young field of mid-IR ultrafast sources and related applications is extremely diverse (Fig. 2): mid-IR sources have great potential for extreme applications such as high order 50 harmonic generation and attosecond pulse generation. Ultrashort pulses in the mid-IR permit scrutinizing atomic and molecular dynamics [2, 3,4], they allow imaging molecular structure [5], and they enable scaling of coherent soft X-ray generation beyond the keV on a tabletop [6].…”

Section: Acknowledgments 24mentioning

confidence: 99%

Ultrashort pulse generation in the mid-IR

Pires

Baudisch

Sánchez

et al. 2015

Progress in Quantum Electronics

104

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Recent developments in laser sources operating in the mid-IR (3 -8 µm), have been motivated by the numerous possibilities for both fundamental and applied research. One example is the ability to unambiguously detect pollutants and carcinogens due to the much larger oscillator strengths of their absorption features in the mid-IR spectral region compared with the visible. Broadband sources are of particular interest for spectroscopic applications since they remove the need for arduous scanning or several lasers and allow simultaneous use of multiple absorption features thus increasing the confidence level of detection. In addition, sources capable of producing ultrashort and intense mid-IR radiation are gaining relevance in attoscience and strong-field physics due to wavelength scaling of re-collision based processes. In this paper we review the state-of-the-art in sources of coherent, pulsed mid-IR radiation. First we discuss semi-conductor based sources which are compact and turnkey, but typically do not yield short pulse duration. Mid-IR laser gain material based approaches will be discussed, either for direct broadband mid-IR lasers or as narrowband pump lasers for parametric amplification in nonlinear crystals. The main part will focus on mid-IR generation and amplification based on parametric frequency conversion, enabling highest mid-IR peak power pulses. Lastly we close with an overview of nonlinear post-compression techniques, for decreasing pulse duration to the sub-2-optical-cycle regime.

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“…Among them, Yb 3+ :Lu 2 O 3 single crystal has the highest thermal conductivity of 11 W/mK with Yb doping (Yb concentrations of 2.7 at %), while that value of Yb:YAG at the 2 ISRN Nanotechnology same doping level is about 6.8 W/mK [7]. Due to the high cation densities in Lu 2 O 3 , Yb-ion density in 3% Yb:Lu 2 O 3 is comparable to that density in 5% Yb:YAG [8].…”

Section: Introductionmentioning

confidence: 98%

High-Purity Nanopowders for Laser Applications

Ganta

Venugopal

Hunt

et al. 2012

ISRN Nanotechnology

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We have successfully developed high-quality laser-grade yttrium aluminum garnet (YAG), and lutetium oxide (Lu 2 O 3 ), using a novel combustion chemical vapor condensation (CCVC) technique based on a proprietary NanoSpray Combustion process. The purity of the nanopowders was >99%. Nanopowders with different dopants have been synthesized over a 10-200 nm size range, with low-cost, high-purity precursors that are viable for large-scale production. Great strides have also been made in developing highly dense (>99% theoretical density) polycrystalline Nd-doped YAG pellets using vacuum sintering and hot isostatic pressing (HIP). This method is an alternative to the Czochralski method for making single-crystal ceramic bodies, which has several disadvantages including high cost, size, shape restrictions, and limitations in Nd concentrations (∼1 at %). Nanomaterials also enable higher percentages of Nd to be incorporated into the YAG lattice which improves laser efficiency and >85% near IR transmission, thereby reducing scattering losses associated with larger grain-size polycrystalline materials.

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Passively mode-locked Yb:Lu2O3 laser

Cited by 140 publications

References 1 publication

Yb-doped mixed sesquioxides for ultrashort pulse generation in the thin disk laser setup

Yb-doped mixed sesquioxides for ultrashort pulse generation in the thin disk laser setup

Ultrashort pulse generation in the mid-IR

High-Purity Nanopowders for Laser Applications

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