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GAS VARIFOCAL LENS |
| XIE Bang-li;XIA Sheng-jie;CHOW Quan-tie |
| Institute of Mechanics, Academia Sinica, Beijing |
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| Cite this article: |
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XIE Bang-li, XIA Sheng-jie, CHOW Quan-tie 1985 Chin. Phys. Lett. 2 509-512 |
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Abstract The stable laminar flow established by an air stream sucked through a heated tube acts as an optically thin lens with variable focal length depending on the dimensions of the tube, tube-temperature and flow velocity.
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Published: 01 November 1985
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