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Aim
The aim of this study was to investigate the disaster experiences of nurses called to assist survivors one month after the 2013 Ya'an earthquake.
Background
China has experienced an increasing number of earthquake disasters in the past four decades. Although a health and disaster management system was initiated after the 2008 Wenchuan earthquake, nurses' roles and experiences in a disaster...
Several techniques for amplitude modulation and apodization of QPM interactions are proposed and demonstrated. Using these techniques, tuning curve side-lobes are suppressed 13-17 dB compared to that of a uniform grating.
We have demonstrated efficient second-harmonic generation of higher-order modes in periodically poled lithium niobate waveguides using a TM/sub 00/ to TM/sub 10/ mode converter based on an asymmetric Y-junction. Higher-order mode converters, combiners, and separators will expand the functionality of quasiphase matched waveguide devices.
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