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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Vol. 40, Iss. 9 — Mar. 20, 2001
  • pp: 1386–1388

Optical limiting of pentaazadentate metal complexes for picosecond pulses in solution

Fengqi Guo, Wenfang Sun, Duoyuan Wang, Lizheng Zhao, Zhenzhong Lu, and Yuxin Nie  »View Author Affiliations


Applied Optics, Vol. 40, Issue 9, pp. 1386-1388 (2001)
http://dx.doi.org/10.1364/AO.40.001386


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Abstract

The optical-limiting performances for four pentaazadentate metal complexes in tetrahydrofuran have been measured at 532 nm for 35-ps pulses, in which reverse saturable absorption from the singlet–singlet excited states should be responsible for the limiting mechanism. The excited-state parameters are calculated according to a six-level model. The limiting threshold at T/ T0 = 0.5 is 44 mJ/cm2, and the throughput is limited to 27 mJ/cm2 as incident fluence reaches 0.35 J/cm2 for carboxyl pentaazadentate cadmium. The limiting thresholds and the throughput values are strongly influenced by peripheral substituents and central metal ions of the complexes.

© 2001 Optical Society of America

OCIS Codes
(160.4330) Materials : Nonlinear optical materials
(160.4890) Materials : Organic materials
(190.4710) Nonlinear optics : Optical nonlinearities in organic materials

History
Original Manuscript: October 19, 1999
Revised Manuscript: July 7, 2000
Published: March 20, 2001

Citation
Fengqi Guo, Wenfang Sun, Duoyuan Wang, Lizheng Zhao, Zhenzhong Lu, and Yuxin Nie, "Optical limiting of pentaazadentate metal complexes for picosecond pulses in solution," Appl. Opt. 40, 1386-1388 (2001)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-40-9-1386

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