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|Title:||Fabrication and characterization of microcavity lasers in rhodamine B doped SU8 using high energy proton beam||Authors:||Venugopal Rao, S.
Narayana Rao, D.
|Issue Date:||2007||Citation:||Venugopal Rao, S., Bettiol, A.A., Vishnubhatla, K.C., Bhaktha, S.N.B., Narayana Rao, D., Watt, F. (2007). Fabrication and characterization of microcavity lasers in rhodamine B doped SU8 using high energy proton beam. Applied Physics Letters 90 (10) : -. ScholarBank@NUS Repository. https://doi.org/10.1063/1.2711777||Abstract:||The authors present their results on the characterization of individual dye-doped microcavity polymer lasers fabricated using a high energy proton beam. The lasers were fabricated in rhodamine B doped SU8 resist with a single exposure step followed by chemical processing. The resulting trapezoidal shaped cavities had dimensions of ∼250×250 μ m2. Physical characterization of these structures was performed using a scanning electron microscope while the optical characterization was carried out by recording the emission subsequent to pumping the lasers with 532 nm, 6 nanosecond pulses. The authors observed intense, narrow emission near 624 nm with the best emission linewidth full width at half maximum of ∼9 nm and a threshold ∼150 μJ mm2. © 2007 American Institute of Physics.||Source Title:||Applied Physics Letters||URI:||http://scholarbank.nus.edu.sg/handle/10635/96587||ISSN:||00036951||DOI:||10.1063/1.2711777|
|Appears in Collections:||Staff Publications|
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