TNPSC Thervupettagam

Teak Leaf Extract for Laser Safety

July 6 , 2025 15 hrs 0 min 25 0
  • The Scientists at the Raman Research Institute (RRI) of Bengaluru has found the teak leaf extract can protect eyes and sensors from strong laser rays.
  • Teak leaves, usually the agricultural wastes, contain the natural pigments called anthocyanins with special nonlinear optical (NLO) properties.
  • The extract absorbs more intense laser light, showing the high reverse saturable absorption (RSA), which makes it useful for laser safety.
  • This natural dye is eco-friendly, biodegradable, and very cheaper compared to the synthetic materials used in laser protection.

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