Dynamics of solid-state lasers pumped by mode-locked lasers

Wellmann, Barbara; Spence, David J.; Coutts, David W.

doi:10.1364/oe.23.004441

Cited by 4 publications

(8 citation statements)

References 18 publications

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“…This lifetime is of the same order as the inter-pulse interval for a typical 80 MHz modelocked solid-state laser, and so mode-locked lasers are also potentially useful as pump sources. We have indeed shown that a frequency quadrupled 80 MHz mode-locked Nd laser can efficiently pump a Ce:LiCAF laser [5,6,11], with the advantage that the peak power of a mode-locked 1064 nm laser allows efficient frequency quadrupling to 266 nm without needing a resonant enhancement cavity. The Ce:LiCAF laser system can either generate short laser pulses with pulse repetition rates up to 1.10 GHz when setup for rational-harmonic mode-locking or generate CW output when pumped asynchronously [6,11].…”

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confidence: 90%

“…We have indeed shown that a frequency quadrupled 80 MHz mode-locked Nd laser can efficiently pump a Ce:LiCAF laser [5,6,11], with the advantage that the peak power of a mode-locked 1064 nm laser allows efficient frequency quadrupling to 266 nm without needing a resonant enhancement cavity. The Ce:LiCAF laser system can either generate short laser pulses with pulse repetition rates up to 1.10 GHz when setup for rational-harmonic mode-locking or generate CW output when pumped asynchronously [6,11]. The transition between mode-locked and CW behavior can be achieved easily by adjusting the length of the laser cavity.…”

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confidence: 99%

“…The transition between mode-locked and CW behavior can be achieved easily by adjusting the length of the laser cavity. In [11] we discussed the dynamics of this laser system showing that using a mode-locked pump laser to generate CW laser output inevitably leads to steps in the gain and hence to a residual intensity modulation. Our reported CW laser output at 290 nm features a residual modulation in the order of only 1% for frequencies below 1 GHz and 4% on faster timescales.…”

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confidence: 99%

“…Figure 1 shows a schematic of the laser cavity. The setup is similar to that described in [6] and [11]. The pump laser was a 78.75 MHz frequency quadrupled Nd:YVO 4 laser.…”

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confidence: 99%

“…To achieve CW output with minimal residual modulation, the cavity length was set to 0.754 m, which equals the pump cavity length l pump × 0.3964 and corresponds to a mismatch of 120 mm from the third harmonic of the pump cavity length [11]. The build-up time for the CW lasing with this configuration was typically under 20 μs, so that the laser operated in steady-state for most of the 400 μs chopper opening time.…”

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Linewidth narrowing of a tunable mode-locked pumped continuous-wave Ce:LiCAF laser

et al. 2015

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We report birefringent tuning using single and multiple magnesium fluoride (MgF(2)) Brewster tuning plates in a mode-locked pumped continuous-wave Ce:LiCAF laser. Depending on the thickness of the MgF(2) plates used, continuous tuning over a range of up to 13 nm from 284.5 to 297.5 nm with a full width at half-maximum linewidth of 14 pm (50 GHz) was achieved. By combining MgF(2) plates with etalons, the linewidth of the laser was narrowed down to 0.75 pm (2.7 GHz). This generated narrowband output is suitable for many applications in spectroscopy, cold-atom manipulation, and sensing.

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confidence: 90%

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confidence: 99%

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confidence: 99%

“…Figure 1 shows a schematic of the laser cavity. The setup is similar to that described in [6] and [11]. The pump laser was a 78.75 MHz frequency quadrupled Nd:YVO 4 laser.…”

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confidence: 99%

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confidence: 99%

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Linewidth narrowing of a tunable mode-locked pumped continuous-wave Ce:LiCAF laser

et al. 2015

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Generation of sub-100 fs ultraviolet pulses from a Kerr-lens mode-locked Ce:LiCAF laser

et al. 2021

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We report the direct generation of mode-locked pulses as short as 91 fs from the broad-bandwidth gain medium of L i C a A l F 6 (Ce:LiCAF) by combining Kerr-lens mode locking with synchronous pumping. The latter of these schemes, and the broad bandwidth of Ce:LiCAF, resulted in dispersion tuning of wavelength via cavity length in the spectral region of 290 nm; this mechanism facilitated a practical means of estimating intra-cavity dispersion, which was compensated for using a Brewster’s-cut prism pair. The pulse duration was measured via split-beam asynchronous cross-correlation using a Ti:sapphire reference laser and a known time reference. From the Ce:LiCAF laser cavity, output powers of 110 mW and a 9% slope efficiency were achieved.

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