136 results on '"Hanssen, Leonard M."'
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2. Augmenting CASI® BRDF measurement device to measure out-of-plane scatter with CCD pixel array
3. Modal imaging of a laser Gaussian-beam reflected off a surface
4. High-dynamic-range instrument for characterisation of the angle-dependent reflectivity of ITER plasma-facing components
5. pySCATMECH: a Python interface to the SCATMECH library of scattering codes
6. High temperature reflectometer for spatially resolved spectral directional emissivity of laser powder bed fusion processes
7. Development of a new image based BRDF measurement system using a semicircular ring
8. Direct method of extracting complex refractive index from routine Fourier transform infrared reflectance/transmittance measurements
9. Signal-to-noise ratio evaluation for the nanometer-scale patterned defect inspection using dark-field microscopy with tailored polarization illumination
10. Performance enhancement of WDM-PONs: Interferometric noise reduction
11. Singular features of the diffraction field
12. Evaluate thin film surface roughness accurately by a simple x-ray reflectivity distribution method and first-order perturbation theory
13. Using coherent optical frequency domain reflectometry to assist the additive manufacturing process of structures for radio frequency applications
14. Spectral investigation of polarization properties of optical field scattered by muscle tissue
15. Investigation of the erythrocyte elasticity in the flow by the temporal chaotization of scattered light
16. Control of spatial-frequency spectrum of optical radiation by liquid crystals-polymer composites
17. Processing and analysis of images in the multifunctional classification laser polarimetry system of biological objects
18. Intellectualized Mueller-Jones matrix system of laser polarimetry for breast fibroadenoma diagnosis
19. Luminescence of Ho-doped lithium niobate crystals highlighted by Raman spectroscopy
20. Correction of the calibration measurement by taking into account the SpectralonTMspectro-polarimetric BRDF model
21. Metric for comparison of generic camera calibration
22. Design and characterization of a new absolute diffuse reflectance reference instrument at the NRC
23. Nondestructive characterization of aged paper using spectral and directional reflection measurements
24. Stray light test results of Operational Landsat Imager 2 (OLI-2) compared to OLI
25. The light behavior from Shallow Trench Isolation profiles at Chemical Mechanical Planarization step and correlation with optical endpoint system by interferometry
26. Investigation of transverse motion of concealed scatterer using correlation of speckled speckles from static surface layer
27. Spectral irradiance responsivity calibration of InSb radiometers using the improved IR-SIRCUS at NIST.
28. Stochastic modeling of non-Lambertian surfaces for Monte Carlo computations in optical radiometry.
29. A procedural model of reflection from random rough surfaces.
30. A comparison of optical properties between solid PTFE (Teflon) and (low density) sintered PTFE.
31. Angle-dependent infrared reflectance measurements in support of VIIRS.
32. Radiation properties of IR calibrators with V-grooved surfaces.
33. Infrared spectral emissivity characterization facility at NIST.
34. Linearity characterization of NIST's infrared spectral regular transmittance and reflectance scales.
35. Specular baffle for improved infrared integrating sphere performance.
36. Algorithmic model of microfacet BRDF for Monte Carlo calculation of optical radiation transfer.
37. Analytical evaluation and correction of port loss error in integrating sphere reflectometers.
38. Numerical modeling of an integrating sphere radiation source.
39. Spectral responsivity determination of a transfer-standard pyroelectric radiometer.
40. Topography measurement of freeform specular surfaces using experimental ray tracing and radial basis functions
41. Real-time diameter measurement using diffuse light
42. Proposal for study on IR light and glucose phantom interaction for human glucose quantification applications
43. Two-dimensional PSF prediction of multiple-reflection optical systems with rough surfaces
44. Methods of processing biomedical image of retinal macular region of the eye
45. Spatial attributes of diffraction free fields
46. On-axis reverse Hartmann test in aspheric optical surface test with the optical flat calibration
47. Study on inverse estimation of radiative properties from directional radiances by using statistical RPSO algorithm
48. Matrix methods for reflective inverse diffusion
49. Extended-range AFM imaging for applications to reflectance modeling
50. Optical 3D imaging and visualization of concealed objects
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