Nonlinear dye response under nitrogen laser pumping

Marziale Milani; Lorenzo Ferraro

doi:10.1117/12.460820

28 March 2002 Nonlinear dye response under nitrogen laser pumping

Marziale Milani, Lorenzo Ferraro

Proceedings Volume 4628, Nonlinear Materials: Growth, Characterization, Devices, and Applications; (2002) https://doi.org/10.1117/12.460820
Event: High-Power Lasers and Applications, 2002, San Jose, California, United States

Abstract

Nitrogen lasers have been used since many years to make dye solutions to lase. A nitrogen laser (337.1 nm) TEA at atmospheric pressure has been built in our laboratory. It has been characterized and used to pump cells of different sizes containing different dyes: Rhodamine 6G, Coumarin 440, DOTCI and pyranine. As a preliminary result it has been shown that pyranine can lase, and this happens at very low threshold. Moreover, we have found that, independently on the dye concentration in the solvent, the dyes under consideration can be grouped into two major classes of behavior: Rhodamine 6G and DOTCI can lase both axially and transversally; Coumarin 440 and pyranine can lase only axially. Other intriguing features will be discussed and attention will be devoted to simultaneous multiple beam generation, superfluorescence and distributed axial pumping of dye solutions.

Citation Download Citation

Marziale Milani and Lorenzo Ferraro "Nonlinear dye response under nitrogen laser pumping", Proc. SPIE 4628, Nonlinear Materials: Growth, Characterization, Devices, and Applications, (28 March 2002); https://doi.org/10.1117/12.460820

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