A simple beam expander for frequency narrowing of dye lasers
- Cite this article as:
- Hanna, D.C., Kärkkäinen, P.A. & Wyatt, R. Opt Quant Electron (1975) 7: 115. doi:10.1007/BF00631592
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Design considerations and performance of a prism beam expander are presented. Using a prism beam expander and holographic grating, a dye laser pumped by a nitrogen laser has given 15 kW of diffraction limited power in 0.1–0.2 cm−1 linewidth. Addition of a single etalon gave a single frequency output of 10 kW in a linewidth of less than 0.01 cm−1.