100 MW Thin-Disk Oscillator

Goncharov, Semyon; Fritsch, Kilian; Pronin, Oleg

doi:10.1109/cleo/europe-eqec52157.2021.9541677

Cited by 4 publications

(6 citation statements)

References 31 publications

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“…This also suggests that further power scaling in the sub‐100‐fs regime is within reach. For instance, a 220‐W, 140‐fs TDL oscillator operating at 24% efficiency has been recently demonstrated [ 52 ] whose pulse duration was already decreased to 115 fs. [ 57 ] It seems reasonable to assume that it could also be pushed into the sub‐100‐fs domain without compromising the efficiency.…”

Section: Mode‐locking Mechanismsmentioning

confidence: 99%

“…Whereas SESAM mode‐locked lasers had been continuously increasing their peak power up to 66 MW demonstrated in 2014, [ 31 ] KLM lasers have very rapidly surpassed this value in 2013, [ 27 ] three years after their first demonstration, and nowadays reach values of 100 MW. [ 52,54 ] It can also be noticed that most of the recent high‐peak‐power systems are operated in vacuum as indicated by the bell jar symbol around the markers, shown in Figure 9.…”

Section: Peak Power Scaling and Pulse Compressionmentioning

confidence: 99%

“…Unit Brons et al, 2016 [37] Fischer et al, 2021 [54] Goncharov et al, 2021 [52] Goncharov et al, 2022 [57] Output scaling used to be the thermal lens induced by the thin disk. [94] This is nowadays becoming less important thanks to diamondcontacted industrial-grade disks optimized for several kilowatts of average power.…”

Section: Parametersmentioning

confidence: 99%

“…To illustrate the aforementioned semiempirical scaling laws, we compare four KLM TDL oscillators [37,52,54,57] based on a similar cavity design. [37] The reference cavity design is reproduced from the original study and shown in Figure 7.…”

Section: Parametersmentioning

confidence: 99%

“…The numbers in the markers correspond to the references. [ 9–57 ] The underlying data used for generation of the graphs are also provided in the Appendix in Table A1.…”

Section: Introductionmentioning

confidence: 99%

See 4 more Smart Citations

A Decade of Sub‐100‐fs Thin‐Disk Laser Oscillators

Drs

Fischer

Modsching

et al. 2023

Laser & Photonics Reviews

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Thin‐disk lasers (TDLs) are best known for their high‐power continuous‐wave industrial applications. Nonetheless, the thin‐disk geometry is also highly attractive for ultrafast laser oscillators. The short propagation distance and large beam diameter inside the gain crystal allows for very low induced nonlinearity, low dispersion, and extreme peak powers inside the laser cavity. The path toward TDL oscillators directly delivering high average power at ultrafast pulse duration required for many scientific applications has, however, been tangled and is still ongoing. A decade ago, the first sub‐100‐fs laser oscillator is demonstrated, initiating the pursuit of even shorter pulses. Since then, many gain materials have been investigated in the thin‐disk geometry as well as various mode‐locking mechanisms for their suitability for efficient short‐pulse operation. In this review, the fast‐evolving development trends of TDL oscillators, as well as their scientific applications and prospects will be discussed.

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Section: Mode‐locking Mechanismsmentioning

confidence: 99%

Section: Peak Power Scaling and Pulse Compressionmentioning

confidence: 99%

Section: Parametersmentioning

confidence: 99%

Section: Parametersmentioning

confidence: 99%

“…The numbers in the markers correspond to the references. [ 9–57 ] The underlying data used for generation of the graphs are also provided in the Appendix in Table A1.…”

Section: Introductionmentioning

confidence: 99%

See 3 more Smart Citations

A Decade of Sub‐100‐fs Thin‐Disk Laser Oscillators

Drs

Fischer

Modsching

et al. 2023

Laser & Photonics Reviews

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Systematic study of peak power scaling for an Yb-doped Kerr-lens mode-locked bulk oscillator

Meyer,

Khalili,

Pronin

2023

Appl. Phys. B

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We study systematically and experimentally the peak power scalability of a femtosecond Yb:YAG bulk oscillator with separate Kerr and gain medium. We demonstrate that small resonator modifications result in a peak power increase from 93 to 424 kW, corresponding to a repetition rate decrease from 70 to 11 MHz while keeping the pulse duration mostly constant in the range of 90–100 fs. The results are of importance for designing and building up femtosecond oscillators for different applications requiring different repetition rates, such as multiphoton microscopy and ultra-broadband infrared radiation generation.

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High-efficiency 100-W Kerr-lens mode-locked Yb:YAG thin-disk oscillator

et al. 2023

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We demonstrate a Kerr-lens mode-locked femtosecond Yb:YAG thin-disk oscillator and investigate the approach to increase the optical-to-optical efficiency based on the scheme of direct multiple passes of the laser beam through the thin-disk medium. With twelve passes through the thin disk, 266-fs pulses were delivered from the oscillator with an average power of 105.6 W at a repetition rate of 20 MHz. The corresponding optical-to-optical efficiency is 31.1%, which is, to the best of our knowledge, the highest efficiency of any mode-locked thin-disk oscillator with pulse duration below 300 fs. This demonstration paves the way to even more efficient mode-locked femtosecond thin-disk oscillators, and provides an excellent laser source for the applications such as non-linear frequency conversion and high-precision industrial processing.

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100 MW Thin-Disk Oscillator

Cited by 4 publications

References 31 publications

A Decade of Sub‐100‐fs Thin‐Disk Laser Oscillators

A Decade of Sub‐100‐fs Thin‐Disk Laser Oscillators

Systematic study of peak power scaling for an Yb-doped Kerr-lens mode-locked bulk oscillator

High-efficiency 100-W Kerr-lens mode-locked Yb:YAG thin-disk oscillator

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