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A two-stage up-convertor made of AgGaSe2 and β-BBO crystals

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Abstract.

A two-stage infrared up-convertor made of AgGaSe2 and β-BBO crystals has been built up, that can up-convert the mid-infrared radiation of 11–16 μm into the 0.8-μm range where the sensitive photomultiplier can be used. This up-convertor is pumped with a near-infrared radiation of 1.7–1.8 μm wavelength range generated by a β-BBO optical parametric oscillator.

In this experiment, we also measured the o-ray refractive index of AgGaSe2 in the 11–16 μm mid-infrared range and extended the fitting range of the Sellmeier equation to the 16-μm wavelength range.

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Authors and Affiliations

  1. Institute of Electro-optical Engineering, National Chiao-Tung University, 1001 Ta Hsueh Road, Hsinchu 300, Taiwan, Republic of China (Fax: +886-03/5716-631, E-mail: u8224814@cc.nctu.edu.tw), , , , , , CN

    H.-w. Wang & M.-h. Lu

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  1. H.-w. Wang
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  2. M.-h. Lu
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Received: 4 January 1999 / Revised version: 19 May 1999 / Published online: 25 August 1999

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Wang, Hw., Lu, Mh. A two-stage up-convertor made of AgGaSe2 and β-BBO crystals . Appl Phys B 70, 15–21 (2000). https://doi.org/10.1007/s003400050003

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  • DOI: https://doi.org/10.1007/s003400050003

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