INVESTIGATION OF THE FOCUSING ACTION OF MEDIA WITH RESIDUAL STRESSES.

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作者
Kazakov, S.A.
Krindach, D.P.
Malyshev, G.A.
Khokhlov, R.V.
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10.1070/QE1973v003n03ABEH005416
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摘要
An experimental study is made of glass plates which exhibit a focusing action after illumination with a CO laser beam. Focusing of helium-neon laser radiation by these plates gives rise to a spatial structure similar to that observed in the thermal self-focusing of light. When the region illuminated with the CO//2 laser is greater than the cross section of the helium-neon laser beam, the divergence and the transverse dimensions of the beam decrease without affecting the mode structure.
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页码:242 / 243
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