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Journal of Optics

, Volume 31, Issue 1, pp 29–35 | Cite as

Effect of pH on Quantum Yield of Fluorescein Using Dual Beam Thermal Lens Technique

  • Achamma Kurian
  • Nibu A. George
  • Sajan D. George
  • K. P. Unnikrishnan
  • Binoy Paul
  • Pramod Gopinath
  • V. P. N. Nampoori
  • C. P. G. Vallabhan
Article

Abstract

Dual beam thermal lens technique is employed for the determination of absolute fluorescence quantum yield of fluorescein dye solutions in different pH environments. Dependence of the quantum yield on pH and concentration of dye solution is discussed.

Key Words

Thermal lens Fluorescence quantum yield pH 

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Copyright information

© Optical Society of India 2002

Authors and Affiliations

  • Achamma Kurian
    • 1
  • Nibu A. George
    • 1
  • Sajan D. George
    • 1
  • K. P. Unnikrishnan
    • 1
  • Binoy Paul
    • 1
  • Pramod Gopinath
    • 1
  • V. P. N. Nampoori
    • 1
  • C. P. G. Vallabhan
    • 1
  1. 1.International School of PhotonicsCochin University of Science & TechnologyCochinIndia

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