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Keywords: reflectivity
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Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. February 2010, 132(2): 023301.
Published Online: November 30, 2009
... 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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. January 2007, 129(1): 71–78.
Published Online: May 17, 2006
... 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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. January 2007, 129(1): 27–36.
Published Online: May 3, 2006
...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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. September 2006, 128(9): 926–933.
Published Online: May 2, 2006
..., electron relaxation time, electron conductivity, reflectivity, and absorption coefficient. This paper calculates the ablation of fused silica by a single pulse and pulse-trains consisting of multiple pulses. It is shown that there exist constant-ablation-depth zones with respect to fluence...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. October 2006, 128(10): 1022–1030.
Published Online: March 3, 2006
... 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. July 2006, 128(7): 653–661.
Published Online: December 20, 2005
...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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. March 2006, 128(3): 261–268.
Published Online: July 28, 2005
...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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. October 2005, 127(10): 1167–1173.
Published Online: June 7, 2005
... 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. December 2004, 126(6): 985–993.
Published Online: January 26, 2005
..., 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...
Journal Articles
Publisher: ASME
Article Type: Research Papers
J. Heat Mass Transfer. June 2005, 127(6): 588–597.
Published Online: January 12, 2005
... 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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. October 2004, 126(5): 723–726.
Published Online: November 16, 2004
...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...
Journal Articles
Publisher: ASME
Article Type: Technical Papers
J. Heat Mass Transfer. April 2001, 123(2): 240–248.
Published Online: July 7, 2000
... 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...