... and reflectance of the samples in the wavelength range from 2 μ m to 20 μ m . Accurate carrier mobility and ionization models were identified after carefully reviewing the available literature, and then incorporated into the Drude model to predict the dielectric function of doped Si. The radiative properties...

... that these properties can be modeled and predicted with high accuracy to meet very stringent temperature control and monitor requirements. This study solves the Maxwell equations that describe the electromagnetic wave reflection from the one-dimensional random roughness surfaces. The surface height conforms...

...Ramesh Chandrasekharan; Shaurya Prakash; Mark A. Shannon; R. I. Masel Thin films ( 0.85 μ m , 3 μ m ) of Ta 2 O 5 deposited on Si and SiO 2 were heated to 900 ° C . Their reflectance in the infrared was measured using a Fourier transform infrared spectrometer equipped with a multiple angle...

...-speed optical techniques reflectivity femtosecond laser pulse train quantum mechanics nanostructure dielectrics An ultrashort ( < 10 ps ) laser pulse can fully ionize almost any solid material and greatly reduce recast, microcracks, and heat-affected zone. Hence...

... and phase function of the fibrous material with the porosity and the reflecting properties of the particles when the shadowing effect due to geometric sized objects is not negligible. We also propose a correlation to estimate the radiative properties in dependent regime from the results of the independent...

...Michael F. Modest Beam guiding effects during laser drilling due to multiple specular reflections inside the hole are analyzed for the case of very short laser pulses (nanosecond range). Specular reflections are valid for materials that retain a smooth surface during laser evaporation (small...

...F. Kowsary; J. R. Mahan An exact analytical method is presented for determination of emissive as well as absorptive performance of spherical cavities having diffuse-specular reflective walls. The method presented utilizes a novel coordinate transformation technique, which provides convenient means...

... capacity, electron relaxation time, electron conductivity, reflectivity, and absorption coefficient. The proposed model predicts the damage thresholds more accurately than the existing model for gold films when compared with published experimental results. 21 09 2004 07 06 2005 metallic...

..., with noticeable side peaks. The bidirectional reflectance distribution function (BRDF) of the same surface, measured with a laser scatterometer at 635 nm and 785 nm, exhibits subsidiary peaks. The measured slope distributions are implanted into a geometric optics model to predict the in-plane BRDF for different...

... in the model include the spectral distribution of the illumination source and UV filter, surface reflection of both the TLC and background, and the sensing device (camera) spectral characteristics and gain settings. It was found that typical hue-temperature calibration curves could not be entirely explained...

...Tae Y. Choi; Costas P. Grigoropoulos The ablation of crystalline silicon by ultrashort laser pulses is studied experimentally. A pump-and-probe experiment is implemented in a collinear arrangement, utilizing a time-delayed frequency-doubled probe beam for in situ reflectance measurement...

... spheres are obtained using geometric optics laws corrected with a scaling factor to take into account the dependent scattering. This model requires the knowledge of several parameters. Particle diameter and porosity can be easily obtained, but particle hemispherical spectral reflectivity is very difficult...