Theoretical investigation of two-photon absorption properties and optical limiting behavior of two symmetrical fluorene derivatives

2015 ◽  
Vol 24 (04) ◽  
pp. 1550046 ◽  
Author(s):  
Hong Ma ◽  
Jiancai Leng ◽  
Mei Liu ◽  
Lina Zhao ◽  
Yang Jiao
Keyword(s):  
Fdtd Method ◽  
Optical Limiting ◽  
Photon Absorption ◽  
Rate Equations ◽  
Nanosecond Laser Pulse ◽  
Nanosecond Laser ◽  
Limiting Behavior ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Potential Applications

Two-photon absorption and optical limiting of two fluorenyl-based derivatives, 9,9-dimethyl-2,7-bis((E)-4-nitrostyryl)-9H-fluorene and 9,9-dimethyl-2,7-bis((E)-4-((E)-4-nitrostyryl)styryl)-9H-fluorene, in gas phase and solvent with nanosecond laser pulse have been theoretically investigated by solving the coupled rate equations and the field intensity equation employing an iterative predictor–corrector finite-difference time-domain (FDTD) method. The results show that both optical limiting properties and two-photon absorption cross-section strongly depend on the length of these molecules and the solvent. Moreover, the dynamical two-photon absorption behavior is affected by the thickness of samples and the pulse duration. These discoveries demonstrate that these fluorenyl-based derivatives possess highly promising characteristics and have potential applications for optical limiting devices.

OPTICAL LIMITING STUDIES IN PHOTOREFRACTIVE PURE AND IRON-DOPED Bi12SiO20 CRYSTALS

2000 ◽  
Vol 09 (02) ◽  
pp. 217-225 ◽  
Author(s):  
P. SREERAMANA AITHAL ◽  
P. PREM KIRAN ◽  
D. NARAYANA RAO
Keyword(s):  
Excited State Absorption ◽  
Optical Limiting ◽  
Photon Absorption ◽  
Limiting Behavior ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Iron Incorporation ◽  
Optical Limiter ◽  
Level Model

Optical limiting characteristics of pure and 150 ppm Fe-doped Bi 12 SiO 20 (BSO:Fe) crystals are studied at high intensity nanosecond pulse regime. When the input light is at 532 nm and at 595 nm with 6 ns pulse duration, a good optical limiting behavior is observed due to simultaneous effect of trap assisted excited state absorption and two photon absorption. The precise role of the internal defects due to impurity centers present in the crystal lattice is explained on the basis of a four level model. This study reveal that the increased nonlinear absorption due to iron incorporation in BSO makes it an excellent passive optical limiter.

Synthesis, Characterization, Two-Photon Absorption, and Optical Limiting Properties of Ladder-Type Oligo-p-phenylene-Cored Chromophores

2008 ◽  
Vol 18 (18) ◽  
pp. 2770-2779 ◽  
Author(s):  
Qingdong Zheng ◽  
Sandesh K. Gupta ◽  
Guang S. He ◽  
Loon-Seng Tan ◽  
Paras N. Prasad
Keyword(s):  
Optical Limiting ◽  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon

scholarly journals Two-photon absorption and broadband optical limiting with bis-donor stilbenes

1997 ◽  
Vol 22 (24) ◽  
pp. 1843 ◽  
Author(s):  
J. E. Ehrlich ◽  
X. L. Wu ◽  
I.-Y. S. Lee ◽  
Z.-Y. Hu ◽  
H. Röckel ◽  
...  
Keyword(s):  
Optical Limiting ◽  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon

Two-photon absorption based optical limiting and stabilization in organic molecule-doped solid materials

1995 ◽  
Vol 117 (1-2) ◽  
pp. 133-136 ◽  
Author(s):  
Guang S. He ◽  
Raz Gvishi ◽  
Paras N. Prasad ◽  
Bruce A. Reinhardt
Keyword(s):  
Organic Molecule ◽  
Optical Limiting ◽  
Photon Absorption ◽  
Solid Materials ◽  
Two Photon Absorption ◽  
Two Photon

scholarly journals Polyfluorenylacetylene for near-infrared laser protection: polymer synthesis, optical limiting mechanism and relationship between molecular structure and properties

RSC Advances ◽  
2017 ◽  
Vol 7 (85) ◽  
pp. 53785-53796 ◽  
Author(s):  
Gang Zhao ◽  
Yan Feng ◽  
Shanyi Guang ◽  
Hongyao Xu ◽  
Naibo Lin ◽  
...  
Keyword(s):  
Molecular Structure ◽  
Near Infrared ◽  
Optical Limiting ◽  
High Thermal Stability ◽  
Photon Absorption ◽  
Structure And Properties ◽  
Absorption Mechanism ◽  
Two Photon Absorption ◽  
Two Photon ◽  
Good Solubility

The incorporation of styryl/stilbene–fluorene into polyacetylenes not only endowed the polymers with novel near-infrared optical limiting properties based on a two-photon absorption mechanism but good solubility and high thermal stability.

Two-photon absorption and optical limiting in tristhiourea cadmium sulphate

2010 ◽  
Vol 486 (1-3) ◽  
pp. 80-83 ◽  
Author(s):  
S. Dhanuskodi ◽  
T.C. Sabari Girisun ◽  
N. Smijesh ◽  
Reji Philip
Keyword(s):  
Optical Limiting ◽  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon

Two-Photon Absorption, Nonlinear Refraction and Optical Limiting in Semiconductors

2008 ◽  
pp. 404-404-20 ◽  
Author(s):  
EW Van Stryland ◽  
H Vanherzeele ◽  
MA Woodall ◽  
MJ Soileau ◽  
AL Smirl ◽  
...  
Keyword(s):  
Nonlinear Refraction ◽  
Optical Limiting ◽  
Photon Absorption ◽  
Two Photon Absorption ◽  
Two Photon

NONLINEAR ABSORPTION AND OPTICAL LIMITING IN SOLUTIONS OF SOME RARE EARTH SUBSTITUTED PHTHALOCYANINES

2001 ◽  
Vol 10 (01) ◽  
pp. 113-121 ◽  
Author(s):  
K. P. UNNIKRISHNAN ◽  
JAYAN THOMAS ◽  
BINOY PAUL ◽  
ACHAMMA KURIAN ◽  
PRAMOD GOPINATH ◽  
...  
Keyword(s):  
Rare Earth ◽  
Absorption Coefficient ◽  
Nonlinear Absorption ◽  
Optical Limiting ◽  
Photon Absorption ◽  
Open Aperture ◽  
Pulse Excitation ◽  
Two Photon Absorption ◽  
Two Photon ◽  
532 Nm

Effective nonlinear absorption coefficient, β eff , of solutions of some rare earth substituted phthalocyanines (viz: Sm(Pc)2, Eu(Pc)2 and LaPc) was measured using open aperture Z-scan technique under nanosecond pulse excitation at 532 nm. The effect of nonlinear absorption on optical limiting in these samples was also investigated. Both nonlinear absorption and optical limiting phenomena in these samples are attributed to sequential two-photon absorption (STPA) process.

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