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Enhanced performance of a wide-aperture copper vapour laser with hydrogen additive in neon buffer gas

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Abstract

A wide-aperture copper vapour laser was demonstrated at ∼10 kHz rep-rate with hydrogen additive in its buffer gas. Maximum power in excess of ∼50 W (at 10 kHz) was achieved by adding 1.96% hydrogen to the neon buffer gas at 20 mbar total gas pressure. This increase in output power was about 70% as compared to ∼30 W achieved with pure neon at 5.5 kHz rep-rate. The 70% enhancement achieved was significantly higher than the maximum reported value of 50% so far in the literature. The enhancement was much higher (about 150%) as compared to its 20 W power at 10 kHz rep-rate using pure neon as the standard CVL operation.

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Authors and Affiliations

  1. Laser System Engineering Division, Raja Ramanna Centre for Advanced Technology, Indore, 452 013, India

    Bijendra Singh, V. V. Subramaniam, S. R. Daultabad & Ashim Chakraboty

Authors
  1. Bijendra Singh
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  2. V. V. Subramaniam
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  3. S. R. Daultabad
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  4. Ashim Chakraboty
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Correspondence to Bijendra Singh.

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Singh, B., Subramaniam, V.V., Daultabad, S.R. et al. Enhanced performance of a wide-aperture copper vapour laser with hydrogen additive in neon buffer gas. Pramana - J Phys 75, 961–965 (2010). https://doi.org/10.1007/s12043-010-0182-9

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  • DOI: https://doi.org/10.1007/s12043-010-0182-9

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