Green-pumped, picosecond MgO:PPLN optical parametric oscillator


Kienle, Florian, Lin, Dejiao, Alam, Shaif-ul, Hung, Hazel S. S., Gawith, Corin B. E., Major, Huw E., Richardson, David J. and Shepherd, David P. (2012) Green-pumped, picosecond MgO:PPLN optical parametric oscillator. Journal of the Optical Society of America B, 29, (1), 144-152. (doi:10.1364/JOSAB.29.000144).

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Description/Abstract

We investigate the performance of a magnesium-oxide-doped periodically poled lithium niobate crystal (MgO:PPLN) in an optical parametric oscillator (OPO) synchronously-pumped by 530nm, 20ps, 230MHz pulses with an average power of up to 2W from a frequency-doubled, gain-switched laser diode seed and a multi-stage Yb:fiber amplifier system. The OPO produces ~165mW (signal, 845nm) and ~107mW (idler, 1421nm) of average power for ~1W of pump power and can be tuned from ~800nm to 900nm (signal) and 1.28μm to 1.54μm (idler). Observations of photo-refraction and green-induced infrared absorption (GRIIRA) in different operational regimes of the MgO:PPLN OPO are described and the role of peak intensity and average power are investigated, both with the aim to find the optimal operating regime for pulsed systems.

Item Type: Article
ISSNs: 0740-3224 (print)
1520-8540 (electronic)
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Subjects: Q Science > QC Physics
Divisions: Faculty of Physical Sciences and Engineering > Optoelectronics Research Centre
ePrint ID: 209057
Date Deposited: 25 Jan 2012 14:09
Last Modified: 27 Mar 2014 19:50
URI: http://eprints.soton.ac.uk/id/eprint/209057

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