Optimal coating thickness for enhancement of optical effects in optical multilayer-based metrologies

Hoang, Chu Manh; Iida, Takuya; Dat, Le Tri; Huy, Ho Thanh; Vy, Nguyen Duy

doi:10.1016/j.optcom.2017.07.023

Cited by 11 publications

(3 citation statements)

References 33 publications

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“…This research calculates the deflection (z(L)) under the irradiated configurations (presented via the spot position x 0 ) and the coating thickness to find the optimal irradiated position for z(L). The local excitation of a soft cantilever could change the amplitude of higher order modes to apply in the biological measurement [15,16].…”

Section: Introductionmentioning

confidence: 99%

A Theoretical Study of Deflection of AFM Bimaterial Cantilevers Versus Irradiated Position

Dat¹,

Huy²,

Vy³

2018

Comm. in Phys.

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The bimaterial cantilevers of atomic force microscopes have been widely used in chemical and bio-sensing. Due to the difference in the thermal expansion coefficients of the two layers, the cantilever is deflected and its deflections is dependent on the heat absorption from the ambient environment or the objects adsorbed on the cantilever surface. In this study, we theoretically examine the deflection of this cantilever considering different irradiated configurations of a laser beam and thicknesses of the coating layer. We show that the temperature difference between the end and the clamped position is maximized for an irradiation at the cantilever end and this difference reduces with increasing coating thickness. Especially, the maximal deflection is seen for an irradiation in the middle of the cantilever, around 0.6 of the cantilever length from the clamped position. The obtained results could help determining an irradiated configuration of laser and the coating thickness to optimize the sensitivity of the cantilevers in thermally sensing devices.

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Section: Introductionmentioning

confidence: 99%

A Theoretical Study of Deflection of AFM Bimaterial Cantilevers Versus Irradiated Position

Dat¹,

Huy²,

Vy³

2018

Comm. in Phys.

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“…Furthermore, the electrical and optical behavior exhibited by MWCNTs can be enhanced by metallic nanoparticle decoration because they increase their low free electron density [8]. In general, the development of nonlinear advanced materials is a crucial step towards the improvement of all-optical nanotechnology [9]. An important and fundamental property of metallic nanoparticles (NPs) concerns their Surface Plasmon Resonance (SPR) [10].…”

Section: Introductionmentioning

confidence: 99%

XOR Logic Gate by Carbon/Metal Nanoinks Based on a Double-Stage Optical Kerr Gate Configuration

García-Merino

Feria-Reyes

Mercado-Zúñiga³

et al. 2018

Advances in Condensed Matter Physics

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Two-input binary exclusive-or logic operations were presented by the assistance of multiwall carbon nanotubes in a double-stage optical Kerr gate scheme with two control beams. The samples were prepared by the aerosol pyrolysis method and decorated by platinum nanoparticles using a chemical vapor deposition technique. The nanostructures were suspended in ethanol to obtain carbon/metal nanoinks with different concentrations and then randomly distributed networks integrated in thin film form were fabricated. Polarization-selectable functions were obtained in the double-stage scheme by using nanosecond third-order nonlinear optical effects at 532 nm wavelength exhibited by the samples. Potential applications for ultrafast identification and encryption of nonlinear optical signals were discussed.

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“…A special case of a Dirac delta distribution profile has been studied experimentally 1,7) and theoretically. 21) The heat absorbed by the cantilever due to laser irradiation can be calculated by 14,22) ò…”

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confidence: 99%

Theoretical study on the optimal thermal excitation of bimaterial cantilevers

Pham

Hoang

Huy

et al. 2020

Appl. Phys. Express

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The thermally induced deflection of bimaterial cantilevers was theoretically examined, and an optimal excitation configuration was determined. The optimal heat spot position, resulting in the maximal deflection, was observed at a central location at 0.5-0.6 length for short cantilevers and it shifted backwards the clamped position at 0.4 length for long cantilevers. The calculated values and recent

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Optimal coating thickness for enhancement of optical effects in optical multilayer-based metrologies

Cited by 11 publications

References 33 publications

A Theoretical Study of Deflection of AFM Bimaterial Cantilevers Versus Irradiated Position

A Theoretical Study of Deflection of AFM Bimaterial Cantilevers Versus Irradiated Position

XOR Logic Gate by Carbon/Metal Nanoinks Based on a Double-Stage Optical Kerr Gate Configuration

Theoretical study on the optimal thermal excitation of bimaterial cantilevers

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