Please use this identifier to cite or link to this item: https://doi.org/10.1063/1.2711777
Title: Fabrication and characterization of microcavity lasers in rhodamine B doped SU8 using high energy proton beam
Authors: Venugopal Rao, S.
Bettiol, A.A. 
Vishnubhatla, K.C.
Bhaktha, S.N.B.
Narayana Rao, D.
Watt, F. 
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
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