Noncritical detection of tunable CO2 laser radiation into the green by upconversion in silver thio-gallate |
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| Authors: | G C Bhar U Chatterjee P K Datta S Das R S Feigelson R K Route |
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| Institution: | (1) Laser Laboratory Physics Department, Burdwan University, 713 104 Burdwan, India;(2) Centre for Material Research, Stanford University, 94305 Stanford, CA, USA |
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| Abstract: | Tangential near-noncritical phase matching is reported for upconversion in silver thiogallate (AgGaS2) using a dye laser as pump. A large acceptance angle for noncollinearity as desirable from a device view point is realised. Weak temperature tunability is also exploited to realise noncriticality. |
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| Keywords: | 42 65K 7 62 86 70f |
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