Abstract
A new experimental realisation of the travelling-wave amplified spontaneous emission (TWASE) is described utilising a prismatic arrangement to get the pulse front delay in the pump beam. Rhodamine dye solutions were pumped by the amplified 25 ps long 555 nm pulses of a distributed feedback dye laser. The pulse shortening in the TWASE resulted in 12 ps output pulses with 18% energy efficiency. The observed spectrum showed numerous lines, and it contained the amplified Raman line of the pump beam. Several spots were found in the far-field zone of the generated TWASE.
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Hebling, J., Klebniczki, J., Heszler, P. et al. Travelling-wave amplified spontaneous emission excited in a prismatic geometry. Appl. Phys. B 48, 401–403 (1989). https://doi.org/10.1007/BF00694539
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DOI: https://doi.org/10.1007/BF00694539