Imaging scatterometry of butterfly wing scales

DG Stavenga, HL Leertouwer, P Pirih, MF Wehling - Optics Express, 2008 - opg.optica.org
We describe an imaging scatterometer allowing hemispherical reflectance measurements
as a function of the angle of incidence. The heart of the scatterometer is an ellipsoidal …

Comprehensive nanostructure and defect analysis using a simple 3D light-scatter sensor

T Herffurth, S Schröder, M Trost, A Duparré… - Applied …, 2013 - opg.optica.org
Light scattering measurement and analysis is a powerful tool for the characterization of
optical and nonoptical surfaces. A new 3D scatter measurement system based on a detector …

Testing fast aspheric concave surfaces with a cylindrical null screen

M Campos-García, R Bolado-Gómez, R Díaz-Uribe - Applied optics, 2008 - opg.optica.org
A noncontact test procedure to obtain the shape of fast concave surfaces is described. A
cylindrical null screen with a curved grid drawn on it in such a way that its image, which is …

Investigating directional reflection characteristics of anisotropic machined surfaces using a self-designed scatterometer

Y Xie, J Tan, L Jing, W Zhang, Q Lai - Applied Optics, 2019 - opg.optica.org
The directional reflection characteristics of anisotropic surfaces play an important role in the
precise modeling of radiative heat transfer and target detection. Nevertheless, the directional …

Description and evaluation of a simplified model to simulate the optical behavior of an angle-resolved scattered light sensor

FM Torner, G Stelzer… - … of Computing and …, 2017 - asmedigitalcollection.asme.org
Scattered light sensors are optical sensors commonly used in industrial applications. They
are particularly well suited to characterizing surface roughness. In contrast to most geometric …

Medium precision optical testing of a fast concave elliptical mirror by a cylindrical null screen

R Díaz-Uribe, R Bolado-Gomez… - … : Optical Design and …, 2006 - spiedigitallibrary.org
We extend the principles of the null screen method for testing a fast ellipsoidal concave
mirror by designing a null cylindrical screen, located around the near focal point of the …

Mueller matrix for an ellipsoidal mirror

OG Rodriguez-Herrera, NC Bruce - Optical Engineering, 2006 - spiedigitallibrary.org
Calculations and measurements of the Mueller matrix of an ellipsoidal mirror have been
performed. In the calculations we have considered six different input polarization states to …

Characterization of chemically etched indium phosphide surfaces with light scattering

M Rovira-Laparra, NC Bruce… - Waves in Random …, 2007 - Taylor & Francis
Scattering of light from chemically etched InP surfaces is studied in the present paper. A
model is developed to describe the randomly rough surfaces produced by chemical etching …

Calculation and measurement of the Mueller matrix for an elliptical mirror

OG Rodriguez-Herrera, NC Bruce… - … Symposium on Laser …, 2005 - spiedigitallibrary.org
We have recently developed a scatterometer for bi-dimensional rough surfaces which uses
an elliptical mirror to direct the light toward the rough surface and to collect the scattered …

Estimation of the correlation distance of one-dimensional random rough surfaces from polarization sensitive bistatic measurements

OG Rodríguez-Herrera… - … Science and Remote …, 2019 - spiedigitallibrary.org
We present a scatterometer to estimate the correlation distance (CD) of a one-dimensional
random rough surface from polarization sensitive bistatic measurements. The system, which …