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Topic Area: Optics
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Displaying records 41 to 50 of 55 records.
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41. Coalescing GSICS Correction Coefficients
Topic: Optics
Published: 8/14/2009
Author: Ruediger Kessel
Abstract: We would like to present a technique to adjust the uncertainty estimates of each point in a time series, so that the variance of the time series is consistent with the uncertainty estimates of its component points. This would allow the uncertainty of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=902591

42. Developing an Uncertainty Analysis for Optical Scatterometry
Topic: Optics
Published: 8/3/2009
Authors: Thomas Avery Germer, Heather J Patrick, Richard M Silver, Benjamin Bunday
Abstract: This article describes how an uncertainty analysis may be performed on a scatterometry measurement. A method is outlined for propagating uncertainties through a least-squares regression. The method includes the propagation of the measurement noise as ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901617

43. Imaging Response of Optical Microscopes Containing Angled Micromirrors
Topic: Optics
Published: 4/30/2009
Authors: Andrew J. Berglund, Matthew D. McMahon, Jabez J McClelland, James Alexander Liddle
Abstract: We describe the aberrations induced by introducing micromirrors into the object space of a microscope. These play a critical role in determining the accuracy of recent three-dimensional particle tracking methods based on such devices.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901416

44. Frequency comb spectroscopy with coherent optical sampling
Topic: Optics
Published: 4/20/2009
Authors: Ian R Coddington, Nathan Reynolds Newbury, William C Swann
Abstract: A stabilized frequency comb provides a broadband array of highly resolved comb lines. Using a multiheterodyne technique, we measure the amplitude and phase of every comb line, allowing for massively parallel, high-resolution spectroscopy.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901385

45. Effect of Line Width Roughness on Optical Scatterometry Measurements
Topic: Optics
Published: 4/6/2009
Authors: Brent C. Bergner, Thomas Avery Germer, Thomas Suleski
Abstract: Line width roughness (LWR) has been identified as a potential source of uncertainty in scatterometry measurements, and characterizing its effect is required to improve the method s accuracy and to make measurements traceable. In this work, we extend ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901895

46. Fiber optic measurement considerations for the aerospace industry: Lessons learned from telecommunications
Topic: Optics
Published: 9/30/2008
Authors: Paul A Williams, Timothy J Drapela
Abstract: A brief history of measurement work for fiber optic telecommunications with application toward fiber optics in avionics
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=33048

47. Angle-dependent infrared reflectance measurements in support of VIIRS
Topic: Optics
Published: 8/14/2008
Authors: Simon Grant Kaplan, Leonard M Hanssen, Enrique J. Iglesias
Abstract: We have developed a goniometric reflectometer using a Fourier-transform infrared (FTIR) spectrometer source for polarized reflectance measurements from 1 um to 20 um wavelength at angles of incidence from 10° to 80°, with an incident beam geometry of ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=842529

48. Direct Experimental Observation of the Goos Hanchen Shift
Topic: Optics
Published: 4/9/2008
Authors: H G L Schwefel, W Kohler, Z Lu, Jingyun Fan, L Wang
Abstract: We report a precise direct measurement of the Goos-Hanchen (GH) shift after one reflection off a dielectric interface coated with periodic metal stripes. The spacial displacement of the shift is determined by image analysis. A maximal absolute shift ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=842439

49. High Accuracy Dual Lens Transmittance Measurements
Topic: Optics
Published: 8/1/2007
Authors: J Cheung, James Gardner, Alan L Migdall, Sergey V Polyakov, Michael Ware
Abstract: We show how to determine the transmittance of short focal length lenses (f ~ 19 mm, in this case) with an uncertainty of 1 part in 103 or better by measuring transmittances of lens pairs of a set of three or more lenses with the same nominal focal le ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841064

50. Nonthermal continuum toward Sagittarius B2(N-LMH)
Topic: Optics
Published: 4/11/2007
Authors: J Hollis, P Jewell, A Remijan, Francis John Lovas
Abstract: An analysis of continuum antenna temperatures observed in theGBTspectrometer bandpasses is presented for observations toward Sgr B2(N-LMH). Since 2004, we have identified four new prebiotic molecules toward this source by means of rotational transiti ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=841044