Nilaya, J. P.Biswas, D. J.2015-12-162015-12-162015Optics Communications, 2015. Vol. 341: pp. 155-159http://hdl.handle.net/123456789/120994344 bytestext/htmlenSecond harmonic generationUnstable cavityDamage thresholdCO2 laserExploitation of an external unstable multi-pass cavity to enhance the second harmonic conversion efficiencyArticle