New design of four-pass dye laser amplifier and suppression of amplified spontaneous emission

Jae Won Hahn; Yong Shim Yoo; Eun Seong Lee

doi:10.1117/12.328685

4 December 1998 A new design of four-pass dye laser amplifier and suppression of amplified spontaneous emission

Jae Won Hahn, Yong Shim Yoo, Eun Seong Lee

Proceedings Volume 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications; (1998) https://doi.org/10.1117/12.328685
Event: 1998 International Conference on Applications of Photonic Technology, 1998, Ottawa, Canada

Abstract

We have demonstrated a new design of a four-pass dye laser amplifier that can suppress parasitic oscillation in a multi-pass amplifier. Amplified spontaneous emission (ASE) in the output beam of the amplifier is reduced with a diffraction grating. A high-peak power pulsed dye laser beam is obtained by amplifying a continuous-wave narrow-bandwidth dye laser with power gain greater than 2 X 10⁶. The eventual bandwidth of the pulses is measured to be approximately 130 MHz. The obtained ASE ratio of the four- pass amplifier system is < 1.5%. Also, we have obtained a high-resolution coherent anti-Stoke Raman spectrum of oxygen in air using the laser system.

Citation Download Citation

Jae Won Hahn, Yong Shim Yoo, and Eun Seong Lee "A new design of four-pass dye laser amplifier and suppression of amplified spontaneous emission", Proc. SPIE 3491, 1998 International Conference on Applications of Photonic Technology III: Closing the Gap between Theory, Development, and Applications, (4 December 1998); https://doi.org/10.1117/12.328685

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