The nonlinear-optical and optical limiting properties of 2(3), 9(10), 16(17), 23(24) phenoxy-phthalocyanines have been investigated using a 10-ns-pulse laser at 532 nm. The nonlinear absorption coefficient (beta) is measured by the single beam Z-scan technique. We have observed low power optical limiting, with low limiting thresholds, based on nonlinear absorption in the sample. These studies indicate that the phthalocyanine material is a potential candidate for low power optical limiting applications.
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Bishop Moore Coll, Ctr Adv Funct Mat, Postgrad & Res Dept Phys, Alappuzha 690110, Kerala, India
St Cyrils Coll, Dept Phys, Vadakkedathukavu PO, Adoor 691529, Pathanamthitta, IndiaBishop Moore Coll, Ctr Adv Funct Mat, Postgrad & Res Dept Phys, Alappuzha 690110, Kerala, India
Rajan, Rejeena, V
George, Merin
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Bishop Moore Coll, Ctr Adv Funct Mat, Postgrad & Res Dept Phys, Alappuzha 690110, Kerala, IndiaBishop Moore Coll, Ctr Adv Funct Mat, Postgrad & Res Dept Phys, Alappuzha 690110, Kerala, India
George, Merin
Leenaraj, D. R.
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Mar Ivanios Coll, Ctr Mol & Biophys Res, Dept Phys, Thiruvananthapuram 695015, Kerala, IndiaBishop Moore Coll, Ctr Adv Funct Mat, Postgrad & Res Dept Phys, Alappuzha 690110, Kerala, India
Leenaraj, D. R.
Ittyachan, Reena
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Sacred Heart Coll, Dept Phys, Chalakudy 680307, Kerala, IndiaBishop Moore Coll, Ctr Adv Funct Mat, Postgrad & Res Dept Phys, Alappuzha 690110, Kerala, India
Ittyachan, Reena
Sajan, D.
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Bishop Moore Coll, Ctr Adv Funct Mat, Postgrad & Res Dept Phys, Alappuzha 690110, Kerala, IndiaBishop Moore Coll, Ctr Adv Funct Mat, Postgrad & Res Dept Phys, Alappuzha 690110, Kerala, India
Sajan, D.
Vinitha, G.
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Vellore Inst Technol VIT, Sch Adv Sci, Div Phys, Chennai 600127, Tamil Nadu, IndiaBishop Moore Coll, Ctr Adv Funct Mat, Postgrad & Res Dept Phys, Alappuzha 690110, Kerala, India