Photofabrication of one-dimensional rough surfaces for light-scattering experiments

Mendez, Eugenio Rafael Mendez; Ponce, Miguel Adolfo; Ruiz-Cortés, Víctor; Gu, Zu-Han

doi:10.1364/ao.30.004103

Cited by 23 publications

(8 citation statements)

References 30 publications

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“…The interface, modified for a onedimensional surface and separating the film and vacuum, is one dimensionally rough and was fabricated by the technique described by Gray, as discussed in Ref. 13. The resulting surface profile of the sample was measured with a Dektak Model 3030 stylus machine.…”

Section: Methodsmentioning

confidence: 99%

Speckle correlations around the backscattering direction in the double-passage configuration

Gu¹

2000

Appl. Opt.

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Experimental results are presented for the angular correlation function of far-field speckle patterns scattered in the double passage of waves through a one-dimensional random-phase screen. The theoretical analysis of the symmetry of speckle patterns around the backscattering direction and the motion of the speckle as the source is moved, made by Escamilla et al. [Appl. Opt. 32, 2734 (1993)], are verified in this paper.

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Section: Methodsmentioning

confidence: 99%

Speckle correlations around the backscattering direction in the double-passage configuration

Gu¹

2000

Appl. Opt.

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“…The idea of using rough surfaces to fabricate photonic crystals is particularly relevant when one considers the existence of a welldeveloped technology for manufacturing surfaces with a given profile, see reference [25].…”

Section: Theorymentioning

confidence: 99%

Optical Response of a Perfect Conductor Waveguide That Behaves as a Photonic Crystal

Mendoza-Suárez¹,

Pérez-Aguilar²,

Villa-Villa³

2011

PIER

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Abstract-In this work, we consider a waveguide composed of two periodic, perfectly conducting, one-dimensional rough surfaces. This periodic system has a band structure similar in some aspects to a one-dimensional photonic crystal. However, our system has some additional interesting features. We calculate the band structure and the reflectivity of a corresponding finite waveguide. We found that the variation of the roughness amplitude and the relative phases allow to control at a certain degree the band structure of the system. Particularly, wide gaps can be obtained. It is even possible to obtain discrete modes for some frequency range and then the periodic waveguide acts as an unimodal filter. The system considered constitutes itself a photonic crystal whose band structure corresponds in many ways to a conventional photonic crystal but using just a single material. The key properties of this system are that it really constitutes a waveguide whose optical response is similar to that of a one-dimensional photonic crystal.

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“…The interface which separates the film and vacuum is one-dimensionally rough, and was fabricated with a variation of the technique described by Gray modified for a 1D surface [16]. The resulting surface profile of the sample was measured with a Dektak 3030 stylus machine.…”

Section: Experimental Set-upmentioning

confidence: 99%

Experimental study of the angular correlation function in the double passage of waves through a one-dimensional random phase screen

Lin

1997

Waves in Random Media

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Experimental results are presented for the angular correlation function of far-field speckle patterns scattered in the double passage of waves through B one-dimensional random phase screen. The experiment for the correlation measurement was set up to use a CCD camen to obtain the image of the speckle patterns in the scattering directions for each given angle of incidence; the cross-correlation function is then calculated from the digitized images. The theoretical analysis of the motion of the speckle as the source is moved, as given by Escamilla, is verified experimentally. It is found that in contrast with the memory effect line of speckle motion, the speckle pattern produced in the region of observation tracks the backscattering direction.

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Photofabrication of one-dimensional rough surfaces for light-scattering experiments

Cited by 23 publications

References 30 publications

Speckle correlations around the backscattering direction in the double-passage configuration

Speckle correlations around the backscattering direction in the double-passage configuration

Optical Response of a Perfect Conductor Waveguide That Behaves as a Photonic Crystal

Experimental study of the angular correlation function in the double passage of waves through a one-dimensional random phase screen

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