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You searched on: Author: leonard hanssen

Displaying records 131 to 140 of 164 records.
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131. Diamond Synthersis in Oxygen-Acetylene Flames: Inhomogeneities and the Effects of Hydrogen Addition
Published: 1/1/1991
Authors: D B Oakes, J E Bulter, K A Snail, W A Carrington, Leonard M Hanssen

132. Diamond and Non-Diamond Carbon Synthesis in An Oxygen-Acetylene Flame
Published: 1/1/1991
Authors: Leonard M Hanssen, K A Snail, W A Carrington, S Kellogg, J E Butler, D B Oakes

133. High Temperature, High Rate Homoepitaxial Growth of Diamond in An Atmospheric Pressure Flame
Published: 1/1/1991
Authors: K A Snail, Leonard M Hanssen

134. Nonimaging Optics and the Measurement of Diffuse Reflectance
Published: 1/1/1991
Authors: Leonard M Hanssen, K A Snail

135. Studies of Diamond Deposition With 1-D and 2-D Combustion Flames, ed. by Messier, Glass, Butler and Roy
Published: 1/1/1991
Authors: K A Snail, D B Oakes, J E Butler, Leonard M Hanssen

136. Absorption Line Evaluation Methods for Wavelength Standards
Published: Date unknown
Authors: C. J. Zhu, Leonard M Hanssen
Abstract: Two methods for absorption line (peak) evaluation based on center of gravity (CG) calculations are described and compared using spectra of the NIST standard reference material (SRM) 1921(a) characterization measurements. These methods are (1) calcul ...

137. Calibration of a Spectral Responsivity Transfer Standard
Published: Date unknown
Authors: George P Eppeldauer, Leonard M Hanssen
Abstract: A NIST-Developed pryoelectric radiometer was characterized and calibrated to extend the NIST high accuracy spectral responsively scale from the visible range to the ultraviolet (UV) and infrared (IR). The transmission of the gold-black coated LiNbO^ ...

138. Characterization of Narrow-Band Infrared Interference Filters
Published: Date unknown
Authors: Simon Grant Kaplan, Leonard M Hanssen
Abstract: A Fourier-transform infrared (FT-IR) spectrophotometer system is used to measure the transmittance of infrared band-pass filters as a function of wavelength, temperature, and beam geometry. Measurements are performed using an f/4 beam geometry at no ...

139. Comments on Absolute Linearity Measurements on a PbS Detector in the Infrared
Published: Date unknown
Authors: Leonard M Hanssen, Zhuomin Zhang
Abstract: The recent publication by Theocharous (Appl. Opt 45, 2381 (2006) contains serious misunderstandings of an earlier work by Zhan et al. (Appl. Spectrosc. 51, 576 (1997)). This comment provides some clarifications for the readers to correctly understand ...

140. Comparison of Direct and Indirect Methods of Spectral Infrared Emittance Measurement
Published: Date unknown
Authors: Leonard M Hanssen, A Prokhorov, V B Khromchenko, Sergey Mekhontsev

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