Studying the Linear and Nonlinear Optical Properties by Using Z-Scan Technique for CdS Thin Films Prepared by CBD Technique

Jabbar, Ahmed Radhi; Abbas, Sabah Ibrahim; Alzubaidy, Muneer H. Jaduaa

doi:10.5539/apr.v10n3p7

Cited by 6 publications

(2 citation statements)

References 6 publications

(13 reference statements)

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“…The optical properties associated with NLA include multi-photon, absorption, multi-photon filament formation, saturable absorber, Qswitching and optical limiting (Garmire, 2013). The Z-scan method is one of them, the most sensitive results can be obtained from it (Jabbar et al, 2018;Sheik-Bahae et al, 1990). There are wide forms of z-scan approach including "EZ-Scan", "Excite-Probe z-scan", "White Light z-scan" and many more (Garmire, 2013).…”

Section: Introdectionmentioning

confidence: 99%

Nonlinear Optical Properties of ZnO Thin Film at Low Laser Intensity Using Z-Scan Technique

Sony¹,

Zaker²,

Zakar³

et al. 2021

RJS

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In this work, a highly sensitive well-known z-scan technique was employed to study the nonlinear optical properties of Zinc Oxide thin films as a function of low laser fluencies. The transmissions of the continues-wave red laser diode with wavelength of (650 nm) were measured from the ZnO thin film sample with thickness of ( 425 nm). The thin film used in this study was deposited on the glass substrates based on atmospheric pressure chemical vapor deposition (APCVD) technique. The measurements were obtained at low laser powers ranging from (1.9-2.5) mW. The results indicated that the nonlinear absorption coefficient, refractive index and the third-order nonlinear optical susceptibility increase with increasing the laser intensity. The obtained curves of the closed aperture showed a positive sign of the nonlinear refractive index which in turn attributed to the selfdefocusing of the material. The optical parameters obtained in this work are relatively comparable with that obtained elsewhere. The results also confirm the reliability of the z-scan approach even at low laser intensities.

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Section: Introdectionmentioning

confidence: 99%

Nonlinear Optical Properties of ZnO Thin Film at Low Laser Intensity Using Z-Scan Technique

Sony¹,

Zaker²,

Zakar³

et al. 2021

RJS

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show abstract

“…By their definition PNJs have small lateral extent and various experimental techniques are available for characterising their shape and size. Small focal regions associated with focused Gaussian laser beams have been characterised using so called knife-edge measurements [21], and Z-scan methods [22]. However, more recently, single fluorescent molecules have been used to measure the structure of laser beam focal regions [4,[23][24][25][26].…”

Section: Introductionmentioning

confidence: 99%