162-W average power from a diode-pumped femtosecond Yb:YAG thin disk laser

Au, J. Aus der; Spühler, G.J.; Südmeyer, Thomas; Paschotta, Rüdiger; Hövel, R.; Moser, M.; Erhard, S.; Karszewski, M.; Giesen, Adolf; Keller, U.

doi:10.1364/ol.25.000859

Cited by 185 publications

(76 citation statements)

References 12 publications

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“…1a, to date these are shortest pulse durations ever obtained with a TDL. Figure 1b illustrates the development of the pulse durations since the first mode-locked TDL in 2000 [14].…”

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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“…1a, to date these are shortest pulse durations ever obtained with a TDL. Figure 1b illustrates the development of the pulse durations since the first mode-locked TDL in 2000 [14].…”

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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“…This requires not only a broad emission bandwidth [15,16] but also excellent optical and mechanical properties for manufacturing and mounting thin disks with a crystal thickness in the 100-µm range. Since the first demonstration of modelocked TDLs in the year 2000 [17], seven different Yb-doped materials have been investigated in modelocked operation in the thin disk geometry (Fig. 1).…”

Section: Introductionmentioning

confidence: 99%

Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser

et al. 2012

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We present the first passively modelocked thin disk laser (TDL) with sub-100-fs pulse duration using the broadband sesquioxide gain material Yb:LuScO 3 and an optimized SEmiconductor Saturable Absorber Mirror (SESAM). In this proof-of-principle experiment, we obtained 5.1 W of average power at a repetition rate of 77.5 MHz and a pulse duration of 96 fs. We carefully explored and optimized the different parameters on the soliton pulse formation process for the generation of short pulses. In particular, SESAMs combining fast recovery time, high modulation depth and low nonsaturable losses proved crucial to achieve this result even though they are expected to only play a minor role in soliton modelocking. To our knowledge, these are the shortest pulses ever obtained with a modelocked TDL, reaching for the first time the sub-100-fs milestone. This result opens the door to sub-100-fs oscillators with substantially higher power levels in the near future.

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“…Since its first demonstration in the year 2000 [1], the SESAM mode-locked thin disk laser technology achieved higher pulse energies and average power levels than any other mode-locked laser oscillator [2,3]. The first modelocked thin disk laser was based on the Yb:YAG gain material and allowed to increase the average power of femtosecond oscillators from previously below 4 to 16 W. The key advantage of the SESAM-mode-locked thin disk laser is its power scalability.…”

Section: Introductionmentioning

confidence: 99%

High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation

et al. 2009

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Ultrafast thin disk laser oscillators achieve the highest average output powers and pulse energies of any mode-locked laser oscillator technology. The thin disk concept avoids thermal problems occurring in conventional high-power rod or slab lasers and enables high-power TEM 00 operation with broadband gain materials. Stable and self-starting passive pulse formation is achieved with semiconductor saturable absorber mirrors (SESAMs). The key components of ultrafast thin disk lasers, such as gain material, SESAM, and dispersive cavity mirrors, are all used in reflection. This is an advantage for the generation of ultrashort pulses with excellent temporal, spectral, and spatial properties because the pulses are not affected by large nonlinearities in the oscillator. Output powers close to 100 W and pulse energies above 10 µJ are directly obtained without any additional amplification, which makes these lasers interesting for a growing number of industrial and scientific applications such as material processing or driving experiments in high-field science. Ultrafast thin disk lasers are based on a power-scalable concept, and substantially higher power levels appear feasible. However, both the highest power levels and pulse energies are currently only achieved with Yb:YAG as the gain material, which limits the gain bandwidth and therefore the achievable pulse duration to 700 to 800 fs in It is important to evaluate their suitability for power scaling in the thin disk laser geometry. In this paper, we review the development of ultrafast thin disk lasers with shorter pulse durations. We discuss the requirements on the gain materials and compare different Yb-doped host materials. The recently developed sesquioxide materials are particularly promising as they enabled the highest optical-tooptical efficiency (43%) and shortest pulse duration (227 fs) ever achieved with a mode-locked thin disk laser.

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162-W average power from a diode-pumped femtosecond Yb:YAG thin disk laser

Cited by 185 publications

References 12 publications

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

Sub-100 femtosecond pulses from a SESAM modelocked thin disk laser

High-power ultrafast thin disk laser oscillators and their potential for sub-100-femtosecond pulse generation

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