Second-order optical nonlinearities of azo chromophores covalently attached to a sol-gel matrix
1995 ◽
Vol 245
(1)
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pp. 36-40
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1996 ◽
Vol 5
(5)
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pp. 689-699
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2004 ◽
Vol 2004
(12)
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pp. 2467-2476
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1998 ◽
Vol 15
(1)
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pp. 426
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