• Photoacoustic spectra of some laser dyes

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    • Keywords


      Photoacoustic spectroscopy; absorption spectrum; laser dyes

    • Abstract


      Photoacoustic spectra of rhodamine 110, rhodamine 6 G, rhodamine B, rhodamine 101 and coumarin 102 laser dyes have been recorded at room temperature of 25°C in the spectral range of 350–750 nm. These samples were taken in powder as well as in solution forms. For this purpose the closed and the open photoacoustic cells have been used. It is hoped the present study would be useful for characterization of these dyes.

    • Author Affiliations


      R S Ram1 O M Prakash1

      1. Division of Standards, National Physical Laboratory, New Delhi - 110012, India
    • Dates

  • Pramana – Journal of Physics | News

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      Posted on July 25, 2019

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