An all-optical switch and third-order optical nonlinearity of 3,4-pyridinediamine

Badran, Hussain A.; Abul-Hail, Riyadh Ch.; Shaker, Hussain S.; musa, Abdulameer I.; Hassan, Qusay M.A.

doi:10.1007/s00340-016-6607-5

Cited by 21 publications

(7 citation statements)

References 45 publications

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“…Researchers have also been working on the manufacturing and synthesis of new materials for the same purposes, such as the phthalocyanine compounds [22,23], the curcuminoids compounds [24][25][26][27], etc. The second path was to develop the nonlinear optical properties of the materials by studying the effect of many parameters on their properties such as the effect of the concentration [28], the wavelength [29], the incident intensity [30], the temperature [31], the salt concentration [32], the glucose concentration [33], the pH concentration [34] to name a few.…”

Section: Introductionmentioning

confidence: 99%

The gamma radiation effect on the surface morphology and optical properties of alpha-methyl curcumin: PMMA film

et al. 2020

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The effect of gamma, γ, radiation on the surface morphology and the optical properties of a prepared alpha-methyl curcumin: PMMA film were studied under different doses (7, 14, 21 and 28 Gy) of γ-rays emitted by 137Cs source. To monitor the effect of γ radiation on the prepared sample, the UV–visible absorbance and transmittance measurements of the pristine and the irradiated sample were carried out in the spectral range 400–900 nm at room temperature. An optical microscope and image J software were utilized to examine any changes in the surface morphology for the pre and post irradiated samples. The obtained results indicated that the surface morphology, linear and nonlinear optical properties of the films have been affected by γ radiation.

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Section: Introductionmentioning

confidence: 99%

The gamma radiation effect on the surface morphology and optical properties of alpha-methyl curcumin: PMMA film

et al. 2020

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“…The experimental set-up for the demonstration of an optical limiting effect is shown in Ref [39] where the observation screen is replaced by an aperture that is centered at the optical axis. A cw solid state laser (SDL) was used as a light source.…”

Section: Optical Limiting Techniquementioning

confidence: 99%

“…So, the characteristic curve of the output power as a function of the input power can be obtained. The dependence of optical limiting on the sample concentration is studied for different sample concentrations by using the configuration shown in Ref [39]. In this experiment the sample was placed behind the focal point of the lens and the aperture size was set to be 5 mm in diameter.…”

Section: Optical Limiting Techniquementioning

confidence: 99%

Optical limiting studies and saturated output of continuous wave laser in Fluorescein solution

Mghames¹,

Badran²,

Hussain³

2018

IJEAS

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Optical limiting performances in Fluorescein with different concentration of 2, 4, 6 and 8 mM are investigated by using 473 nm continuous wave (cw) laser. The optical limiting behavior is investigated via transmission measurement through the sample at different concentrations. The investigation shows that the optical limiting capability is concentration dependent. The results showed that the sample has obvious optical limiting effect. 8 mM concentration has the best limiting effect among the four concentrations chosen. It is also found that the threshold value of optical limiting is affected by sample absorption coefficient. The Fluorescein exhibits good optical limiting properties in solution.

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“…The increase in the SA effect was attributed to the depletion of the ground state in the dye due to the transfer of electrons in the dye to POM. Recently, there have been many reports on reverse saturable absorption (RSA) effect of dyes [8][9][10][11][12]. Absorbers with RSA properties have higher absorption efficiency with higher incident light intensity.…”

Section: Introductionmentioning

confidence: 99%

More Than 50-Fold Enhanced Nonlinear Optical Response of Porphyrin Molecules in Aqueous Solution Induced by Mixing Base and Organic Solvent

2021

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The difference absorption spectrum (DAS) of porphyrin molecules (tetraphenyl-porphyhrin sulfonic acid, TPPS) in aqueous solution induced by continuous wave laser irradiation has been reported previously. It was interpreted that the DAS was caused by the formation of TPPS aggregates induced by laser irradiation. However, transient spectra similar in their shape have already been reported and are attributed to the excited-state absorption and saturable absorption (SA) effects due to the triplet state formation in TPPS. In the present study, we investigated the triplet quenching effect by O2 on the DAS of TPPS aqueous solution and revealed that it originated from the triplet state formation. We also found that mixing the appropriate amount of MeOH and NaOH in TPPS aqueous solution increased its absorbance change by more than 50 times. This may be due to the decrease in dissolved oxygen concentration by mixing them. This result suggests the possibility of controlling the performance of NLO materials by adjusting the solvent mixture ratio and base/acid concentration.

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An all-optical switch and third-order optical nonlinearity of 3,4-pyridinediamine

Cited by 21 publications

References 45 publications

The gamma radiation effect on the surface morphology and optical properties of alpha-methyl curcumin: PMMA film

The gamma radiation effect on the surface morphology and optical properties of alpha-methyl curcumin: PMMA film

Optical limiting studies and saturated output of continuous wave laser in Fluorescein solution

More Than 50-Fold Enhanced Nonlinear Optical Response of Porphyrin Molecules in Aqueous Solution Induced by Mixing Base and Organic Solvent

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