Academic literature on the topic 'Open and closed aperture Z scan. DO-25 doped PMMA-MA films'

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Journal articles on the topic "Open and closed aperture Z scan. DO-25 doped PMMA-MA films"

1

Shubrajyotsna, Aithal, S. Aithal P., and K. Bhat G. "TYPE 1 & TYPE 2 OPTICAL LIMITING STUDIES IN DISPERSE ORANGE-25 DYE-DOPED PMMA-MA POLYMER FILMS USING CW LASER." International Journal of Applied and Advanced Scientific Research 1, no. 1 (2016): 196–208. https://doi.org/10.5281/zenodo.208184.

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Materials with exceptional third order nonlinear optical properties are critical to the continuing development of photonics and electro-optical devices such as those used in optical communications, networking, optical computation for signal processing, and data storage devices. The nonlinear optical material research is generally focussed on improving the efficiency of optical wavelength conversion, optical amplification, nonlinear absorption, refractive index changes etc. which are input light intensity dependent. During last few years, the organic dye-doped polymer films are getting more att
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2

Sreeramana, Aithal, Aithal Shubrajyotsna, and K. Bhat G. "Study of Third Order Optical Nonlinearity in Disperse Orange-25 Dye-doped Polymer Films using CW Laser." International Journal of Applied Engineering and Management Letters (IJAEML) 1, no. 1 (2017): 18–35. https://doi.org/10.5281/zenodo.818692.

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The organic materials with the ability of self-focusing/defocusing through their light intensity-dependent refractive index and phase shift properties are potential materials in all-optical photonic devices have become an interesting topic of continuous research. Several organic materials including dye-doped polymer films are attracting many researchers due to their advantages in terms of enhanced efficiency, and acceptable mechanical properties to fabricate useful devices. In this paper, we have reported the nonlinear optical properties like nonlinear absorption and nonlinear refraction of an
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3

Aithal, Shubrajyotsna, P. S. Aithal, and G. K. Bhat. "CW Optical Limiting Study in Disperse Yellow Dye-doped PMMA-MA Polymer Films." IRA-International Journal of Applied Sciences (ISSN 2455-4499) 5, no. 3 (2016): 129. http://dx.doi.org/10.21013/jas.v5.n3.p4.

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<div><p><em>Molecules with high two-photon absorption (TPA) cross section and the molecules which have reverse saturation absorption (RSA) cross section are of great interest today because of their application in three-dimensional optical data storage and photonic switches. During last forty years, several techniques have been developed to determine the two-photon absorption cross-sections and reverse saturation absorption cross-sections of the materials. This includes direct methods, such as nonlinear transmission and Z-scan methods and indirect methods, such as two-photon e
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4

Sreeramana, Aithal, Aithal Shubrajyotsna, and K. Bhat G. "Study of Third Order Optical Nonlinearity in DASPB Dye-doped Polymer Films using CW Laser." Saudi Journal of Engineering and Technology (SJEAT) 2, no. 1 (2017): 1–16. https://doi.org/10.5281/zenodo.255009.

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The optimum self-focussing materials with an intensity-dependent refractive index and the realization of the ability of these materials to produce intensity dependent phase shift in all optical photonic devices have become a topic of continuous investigation. Many organic materials including dye-doped polymer films are creating interest due to their advantages in terms of enhanced efficiency, and optimum mechanical properties to fabricate reliable devices. In this paper, we have studied the nonlinear optical properties like nonlinear absorption and nonlinear refraction of a two-photon fluoresc
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5

Aithal, Shubrajyotsna, P. S. Aithal, and G. K. Bhat. "Study of Third Order Optical Nonlinearity in Disperse Orange-25 Dye-doped Polymer Films using CW Laser." International Journal of Applied Engineering and Management Letters, June 30, 2017, 18–35. http://dx.doi.org/10.47992/ijaeml.2581.7000.0003.

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Abstract:
The organic materials with the ability of self-focussing/defocusing through their light intensity-dependent refractive index and phase shift properties are potential materials in alloptical photonic devices have become interesting topic of continuous research. Several organic materials including dye-doped polymer films are attracting many researchers due to their advantages in terms of enhanced efficiency, and acceptable mechanical properties to fabricate useful devices. In this paper, we have reported the nonlinear optical properties like nonlinear absorption and nonlinear refraction of an or
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6

Aithal, Shubrajyotsna, P. S. Aithal, and G. K. Bhat. "Study of Nonlinear Optical Properties of Disperse Yellow – 7 Dye-doped Polymer Films using CW Laser." International Journal of Applied Engineering and Management Letters, June 30, 2017, 45–62. http://dx.doi.org/10.47992/ijaeml.2581.7000.0005.

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The materials with an ability of self-focusing/defocusing through their light intensitydependent refractive index and phase shift properties are potential candidates for all-optical photonic devices. Several organic materials including dye-doped polymer films are attracting many researchers due to their advantages in terms of enhanced efficiency, and acceptable mechanical properties to fabricate useful devices. In this paper, we have reported the nonlinear optical properties like nonlinear absorption and nonlinear refraction of an organic dye Disperse Yellow - 7 (DY-7) doped in Polymethyl meth
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