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Proceedings Paper

Square nanosecond pulse generation in a tunable dye laser using two-step laser pumping
Author(s): Andrei D. Delev; Marin N. Nenchev
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Paper Abstract

We describe a simple, new technique for producing of nanosecond pulses with rectangular (or triangular) temporal shape and with tunable wavelength. The technique is based on a pumping of a tunable dye laser by pulses with formed rectangular (or triangular) shape, emitted from a standard Nd:YAG (2-nd harmonic) or Copper-vapor lasers. The pump pulses are formed in a simple electro-optical system. We have shown theoretically that the main problem to reproduce the pump pulse shape in a nanosecond dye laser -- a 'spiking' phenomenon, can be avoided using an appropriate pre-pulse pumping of the dye before the main, formed pump pulse. The experimental check confirms the theoretical predictions.

Paper Details

Date Published: 9 April 2001
PDF: 5 pages
Proc. SPIE 4397, 11th International School on Quantum Electronics: Laser Physics and Applications, (9 April 2001); doi: 10.1117/12.425106
Show Author Affiliations
Andrei D. Delev, Technical Univ. of Sofia and Institute of Electronics (Bulgaria)
Marin N. Nenchev, Technical Univ. of Sofia, Institute of Electronics, and CNAM (Bulgaria)

Published in SPIE Proceedings Vol. 4397:
11th International School on Quantum Electronics: Laser Physics and Applications
Peter A. Atanasov; Stefka Cartaleva, Editor(s)

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