Efficient Single-Pass Second Harmonic Generation of a Continuous Wave Nd:YVO4 - Laser at 1342 nm Using MgO:PPLN

Lenhardt, F.; Nebel, A.; Knappe, R.; Nittmann, M.; Bartschke, J.; L’huillier, Johannes A.

doi:10.1364/cleo.2010.cthee5

Cited by 1 publication

(1 citation statement)

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“…Thus, injection locking of an amplifier consisting of an empty high-power resonator such as presented in [17] could deliver tens of watts of single-frequency fundamental light. At these elevated power levels, efficient single-pass frequency doubling of 1342-nm radiation has been demonstrated [31], the implementation of which considerably relaxes the complexity of multi-cavity designs.…”

Section: Discussionmentioning

confidence: 99%

2.1-watts intracavity-frequency-doubled all-solid-state light source at 671 nm for laser cooling of lithium

Eismann,

Andrea,

Salomon

et al. 2013

Preprint

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We present an all-solid-state laser source emitting up to 2.1 W of single-frequency light at 671 nm developed for laser cooling of lithium atoms. It is based on a diode-pumped, neodymium-doped orthovanadate (Nd:YVO 4 ) ring laser operating at 1342 nm. Optimization of the thermal management in the gain medium results in a maximum multi-frequency output power of 2.5 W at the fundamental wavelength. We develop a simple theory for the efficient implementation of intracavity second harmonic generation, and its application to our system allows us to obtain nonlinear conversion efficiencies of up to 88%. Single-mode operation and tuning is established by adding an etalon to the resonator. The second-harmonic wavelength can be tuned over 0.5 nm, and mode-hop-free scanning over more than 6 GHz is demonstrated, corresponding to around ten times the laser cavity free spectral range. The output frequency can be locked with respect to the lithium D-line transitions for atomic physics applications. Furthermore, we observe parametric Kerr-lens mode-locking when detuning the phase-matching temperature sufficiently far from the optimum value.

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Section: Discussionmentioning

confidence: 99%