Passively mode-locked and cavity-dumped Yb:KY(WO&lt;inf&gt;4&lt;/inf&gt;)&lt;inf&gt;2&lt;/inf&gt; oscillator with positive dispersion

Palmer, Guido; Emons, Moritz; Siegel, M.; Steinmann, Andy; Pospiech, Matthias; Morgner, Uwe

doi:10.1109/cleo.2008.4550943

Cited by 5 publications

(6 citation statements)

References 4 publications

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“…Mode-locking of cavities containing broadband laser media like Ti:sapphire or Yb-doped crystals and glasses in the presence of positive cavity dispersion has recently received increasing attention [11][12][13][14][15][16][17]. The basic proposition behind this scheme is to reduce the nonlinear phase incurred during fs-soliton propagation through intra-cavity elements, including air in long cavities, by lengthening the cavity puls through the action of normal dispersion.…”

Section: Positive Dispersion Mode-lockingmentioning

confidence: 98%

“…Depending on parameters such as gain bandwidth, SESAM modulation and recovery time, amount of positive dispersion and nonlinearity, the pulses from such an oscillator are typically chirped and orders of magnitude longer than a soliton of similar energy and spectral width which implies potential for energy scaling. Theoretical and experimental studies were carried out to gain a more fundamental understanding of the physics of such lasers [e. g. [15][16][17].…”

Section: Positive Dispersion Mode-lockingmentioning

confidence: 99%

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High power multi-crystal cw and femtosecond mode-locked oscillators based on Yb:KYW

Wentsch¹,

Calendron²,

Lederer³

2009

SPIE Proceedings

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We present results from diode-pumped cw and semiconductor saturable absorber mirror (SESAM) mode-locked resonators containing multiple bulk Yb:KYW crystals. The dual-crystal resonator generated more than 24W of cw-power at a wavelength of 1042nm in a diffraction limited beam with the maximum power limited by the available pump power. Two mode-locking regimes were explored. From the soliton mode-locked oscillator we obtained Fourier limited pulses with a pulsewidth of 450fs at a repetition rate of 79MHz and with an average power of 14.6W. When operating the same resonator in the positive dispersion regime we achieved an output power of 17W. Using a grating compressor these pulses could be compressed to a pulse width of 470fs. Both mode-locked lasers were self-starting and operated stably and in turn key fashion over days and through varying lab conditions. Regarding the power scaling of this type of laser we anticipate further scalability by once again doubling the number of crystals inside the resonator.

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Section: Positive Dispersion Mode-lockingmentioning

confidence: 98%

Section: Positive Dispersion Mode-lockingmentioning

confidence: 99%

High power multi-crystal cw and femtosecond mode-locked oscillators based on Yb:KYW

Wentsch¹,

Calendron²,

Lederer³

2009

SPIE Proceedings

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“…This approach has also been applied to SESAM mode-locked Yb:KYW and Yb:KLuW bulk [134] and thin-disk [135] oscillators allowing a substantial increase of the intracavity pulse energy. Nevertheless, while constituting the standard operation regime of femtosecond fibre oscillators [136], positive GDD is still an exception to the rule in bulk solid-state oscillators.…”

Section: Kerr-lens Mode-locked Yb:yag Thin-disk Chirpedpulse Oscillatormentioning

confidence: 99%

Towards a Compact Thin-Disk-Based Femtosecond XUV Source

Pronin

2014

Springer Theses

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“…The light source for the experiments is an amplifier system consisting of a laser oscillator, 19 a single pass rod-type fiber amplifier, 20 and the NOPA as white light source. 17 The usable power spectrum of the NOPA output (420 mW average at 1 MHz) covers a spectral range from 700 to 980 nm, which supports Fourier-limited pulse duration of 5.9 fs.…”

Section: A Experimental Setupmentioning

confidence: 99%

Development of functional sub-100 nm structures with 3D two-photon polymerization technique and optical methods for characterization

Paz¹,

Emons²,

Obata³

et al. 2012

Journal of Laser Applications

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Investigations of two-photon polymerization (TPP) with sub-100 nm in the structuring resolution are presented by using photosensitive sol-gel material. The high photosensitivity of this material allows for TPP using a large variety in laser pulse durations covering a range between sub-10 fs and ≈140 fs. In this study, the authors demonstrate TPP structuring to obtain sub-100 nm in resolution by different approaches, namely, by adding a cross-linker to the material and polymerization with sub-10 fs short pulses. Additionally, a simulation and model based characterization method for periodic sub-100 nm structures was implemented and applied in an experimental white light interference Fourier-Scatterometry setup.

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Passively mode-locked and cavity-dumped Yb:KY(WO<inf>4</inf>)<inf>2</inf> oscillator with positive dispersion

Cited by 5 publications

References 4 publications

High power multi-crystal cw and femtosecond mode-locked oscillators based on Yb:KYW

High power multi-crystal cw and femtosecond mode-locked oscillators based on Yb:KYW

Towards a Compact Thin-Disk-Based Femtosecond XUV Source

Development of functional sub-100 nm structures with 3D two-photon polymerization technique and optical methods for characterization

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