Study on LiNbO3 electro-optical switches with low driving voltage

FU Bo; ZHANG Da-yong; LUO Yong-quan; LUO Fei; SHEN Zhi-xue

doi:10.3969/j.issn.1001-3806.2012.01.001

LASER TECHNOLOGY > 2012 > 36(1): 1-4. > DOI: 10.3969/j.issn.1001-3806.2012.01.001

FU Bo, ZHANG Da-yong, LUO Yong-quan, LUO Fei, SHEN Zhi-xue. Study on LiNbO3 electro-optical switches with low driving voltage[J]. LASER TECHNOLOGY, 2012, 36(1): 1-4. DOI: 10.3969/j.issn.1001-3806.2012.01.001

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Study on LiNbO3 electro-optical switches with low driving voltage

Institute of Fluid Physics, China Academy of Engineering Physics, Mianyang 621900, China

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Received Date: June 27, 2011
Revised Date: July 05, 2011
Published Date: January 24, 2012

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Abstract

In order to reduce the driving voltage of an electro-optical switch,a LiNbO3 crystal was placed in a Fabry-Perot cavity and the transmissive characteristics of this Fabry-Perot electro-optical switch was investigated experimentally.The results showed that the driving voltage of the Fabry-Perot electro-optical switch was ~580V,which was much lower than the half-wave voltage of an electro-optical switch used as orthogonal polarizer,~2.1kV.Moreover,the rising time of the Fabry-Perot electro-optical switch,128μs,was shorter than that of a switch used as orthogonal polarizer,284μs.Theoretical analysis of transmitted characteristic dependence on driving voltage was performed,and the results were in accordance with the experimental results.
- optical devices,
- electro-optic switch,
- Fabry-Perot,
- lithium niobate

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