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You searched on: Topic Area: Optics

Displaying records 51 to 60 of 82 records.
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51. Sensitivity scaling of dual frequency comb spectroscopy
Topic: Optics
Published: 6/15/2010
Authors: Ian R Coddington, William C Swann, Nathan Reynolds Newbury
Abstract: Coherent dual comb spectroscopy can harness many inherent strengths of frequency combs to provide high-resolution, high-accuracy measurements of a sample response (in both magnitude and phase) on a single detector. We will discuss the noise scaling p ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905098

52. Tunable laser spectroscopy referenced with dual frequency combs
Topic: Optics
Published: 6/15/2010
Authors: Fabrizio Raphael Giorgetta, Ian R Coddington, Esther Baumann, William C Swann, Nathan Reynolds Newbury
Abstract: Frequency combs provide broadband spectroscopic measurements with high frequency accuracy and precision. However, because the comb power is distributed over a broad spectrum, the sensitivity can be low unless some form of multiplexed detection or ca ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905099

53. Hybrid gap modes induced by fiber taper waveguides: application in spectroscopy of single solid-state emitters deposited on thin films.
Topic: Optics
Published: 5/24/2010
Authors: Marcelo Ishihara Davanco, Kartik A Srinivasan
Abstract: We show, via simulations, that an optical fiber taper waveguide may be an efficient spectroscopy tool for single emitters, such as single molecules or colloidal quantum dots, deposited on the surface of a thin dielectric membrane. The fiber-membra ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904726

54. Effective medium approximations for modeling optical reflectance from gratings with rough edges
Topic: Optics
Published: 5/1/2010
Authors: Brent C. Bergner, Thomas Avery Germer, Thomas Suleski
Abstract: Line edge roughness (LER) has been identified as a potential source of uncertainty in optical scatterometry measurements. Characterizing the effect of LER on optical scatterometry signals is required to assess measurement uncertainty. However, rigor ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=903990

55. Fast and accurate comb-based spectral analysis of a frequency agile CW laser
Topic: Optics
Published: 5/1/2010
Authors: Fabrizio Raphael Giorgetta, Ian R Coddington, Esther Baumann, William C Swann, Nathan Reynolds Newbury
Abstract: The time-resolved frequency spectrum of a frequency agile CW laser is measured with a 300{mu}s update rate and 3 kHz resolution/accuracy over a 28 nm wavelength range with a coherent dual comb setup.
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905394

56. Visible and near-infrared reflectance spectrometry of Fe for lunar surface composition study
Topic: Optics
Published: 3/31/2010
Authors: David Blewett, Nhan V Nguyen, Oleg A Kirillov, Samuel Lawrence
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907162

57. Effect of Bandwidth and Numerical Aperture in Optical Scatterometry
Topic: Optics
Published: 3/1/2010
Authors: Thomas Avery Germer, Heather J Patrick
Abstract: We consider the effects of finite spectral bandwidth and numerical aperture in scatterometry measurements and discuss efficient integration methods based upon Gaussian quadrature in one dimension (for spectral bandwidth averaging) and two dimensions ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=905013

58. Iron Optical Constants and Reflectance Spectroscopy of Planetary Surfacers
Topic: Optics
Published: 3/1/2010
Authors: David Blewett, Nhan V Nguyen, Oleg A Kirillov, Samuel Lawrence
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=907161

59. Molecular spectroscopy with frequency combs
Topic: Optics
Published: 3/1/2010
Author: Ian R Coddington
Abstract: Pulsed femtosecond frequency combs are rapidly developing as a powerful spectroscopic tool. As a spectroscopic source stabilized frequency combs potentially offer broad spectral coverage, near perfect frequency accuracy, low timing jitter and broadb ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=904602

60. Single-Photon Propagation Time through Dielectric Bandgaps: Large Variation Due to Small Structural Changes
Topic: Optics
Published: 2/1/2010
Authors: Natalia Borjemscaia Rutter, Sergey V Polyakov, Paul D Lett, Alan L Migdall
Abstract: The transit times of photons traveling through opaque barriers such as dielectric stacks exhibit the Hartman saturation effect. This saturation of the transit time is quite sensitive to the addition of a single dielectric layers, even onto an alread ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=901549



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