2.4-watts second-harmonic generation in ppZnO:LN ridge waveguide for lithium laser cooling.
Opt Express
; 25(13): 14840-14855, 2017 Jun 26.
Article
em En
| MEDLINE
| ID: mdl-28789067
ABSTRACT
We present a simple all-solid-state laser source emitting 2.4 W of single-frequency light at 671 nm for laser cooling of lithium atoms. It is based on a diode-pumped solid-state laser, which is frequency doubled in a ppZnOLN ridge waveguide with an internal doubling efficiency of 54%. We develop a simple theory for the thermal effects we observed at elevated fundamental powers, and compare the setup to a more efficient but more complex one with an external resonant frequency doubling cavity providing 5.2 W at 671 nm.
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2017
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Article