Optoacoustic detection of nonlinear absorption in glasses |
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| Authors: | Q Munir E Wintner AJ Schmidt |
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| Institution: | IAEE, Abteilung für Quantenelektronik und Lasertechnik, Technische Universität Wien, A-1040 Vienna, Austria |
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| Abstract: | We report what we believe to be the first measurement of two photon absorption in a solid using the optoacoustic effect. A number of different glasses were studied. The dispersion of the optoacoustic signal of holmium oxide doped glass is compared with the corresponding absorption spectrum at twice the frequency of the incident light. |
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