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Author: leonard hanssen
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1. A Computer Simulation of the Nonlinearity Effect on FT-IR Measurements
Published: 1/1/1997
Authors: Z M Zhang, Leonard M Hanssen
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104282

2. A Determination Study of The Cavity Emissivity of the Eutectic Fixed Points Co-C, Pt-C and Re-C
Published: 12/5/2011
Authors: Leonard M Hanssen, Yohsiro Yamada, Pieter Bloembergen, Pablo Castro, Boris Wilthan, Sergey Mekhontsev
Abstract: The eutectics Co-C, Pt-C and Re-C, with phase transition temperatures of 1597 K, 2011 K, and 2747 K, respectively, are presently investigated for their suitability to serve as reference points for dissemination of T (and T90) within the context of th ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907766

3. A Procedure for Testing the Radiometric Accuracy of Fourier Transform Infrared Spectrometers
Published: 1/1/1997
Authors: Z M Zhang, Leonard M Hanssen, J J Hsia, Raju Vsnu Datla
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104285

4. Absolute Detector Calibration Applied to Nonlinearity Correction in FTIR Measurements
Published: 1/1/1997
Authors: Z M Zhang, C. J. Zhu, Leonard M Hanssen
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104281

5. 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 ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841307

6. Absorption and Reflection of Infrared Radiation by Polymers in Fire-Like Environments
Published: 7/17/2012
Authors: Gregory T Linteris, Mauro Zammarano, Boris Wilthan, Leonard M Hanssen
Abstract: In large-scale fires, the input of energy to burning materials occurs predominantly by radiative transfer. The in-depth absorption of radiant energy by a polymer influences its ignition time and burning rate. The present investigation examines two ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=908058

7. Absorption line evaluation methods for wavelength standards
Published: 1/1/1998
Authors: C. J. Zhu, Leonard M Hanssen
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=104291

8. Absorption of Thermal Radiation by Burning Polymers
Published: 2/2/2011
Authors: Gregory T Linteris, Mauro Zammarano, Boris Wilthan, Leonard M Hanssen
Abstract: In large-scale fires, the input of energy to burning materials occurs predominantly by radiative transfer. The in-depth absorption of radiant energy by a polymer influences its ignition time and burning rate. The present investigation examines two m ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907602

9. Algorithmic Model of Microfacet BRDF For Monte Carlo Calculation of Optical Radiation Transfer
Published: 1/1/2003
Authors: Leonard M Hanssen, Alexander Prokhorov
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=103843

10. Algorithmic Model of Microfacet BRDF for Monte Carlo Calculation of Optical Radiation Transfer
Published: 8/1/2003
Authors: A Prokhorov, Leonard M Hanssen
Abstract: An algorithmic model of bi-directional reflectance distribution function (BRDF) based on the ray optics approximation and microfacet model of randomly rough surface is proposed. Its central idea is that for every incident ray, the normal vector to t ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841990



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