Journal
OPTICS EXPRESS
Volume 18, Issue 25, Pages 25535-25545Publisher
OPTICAL SOC AMER
DOI: 10.1364/OE.18.025535
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Funding
- Engineering and Physical Sciences Research Council [EP/F05999X/1]
- EPSRC [EP/D078555/1, EP/F05999X/1, EP/E006000/1, EP/E036244/1] Funding Source: UKRI
- Engineering and Physical Sciences Research Council [EP/E006000/1, EP/D078555/1, EP/F05999X/1, EP/E036244/1] Funding Source: researchfish
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An organic laser based on a monodisperse star-shaped oligofluorene gain medium has been embodied in mechanically flexible format with distributed feedback templated from a holographic master grating. Laser emission was obtained from 425 to 442.5 nm with lowest soft pump threshold at 14.4 mu J/cm(2) (2.7 kW/cm(2)). We compare the performance of such lasers with and without encapsulation. Encapsulation enables stable operation in ambient atmosphere at a 1/e degradation energy dosage of 53 J/cm(2). (C) 2010 Optical Society of America
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