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Topic Area: Optical Physics
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Displaying records 31 to 40 of 67 records.
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31. Precision spectroscopy with frequency combs at 3.4 {mu}m
Topic: Optical Physics
Published: 8/2/2011
Authors: Esther Baumann, Fabrizio Raphael Giorgetta, William C Swann, Alexander M. Zolot, Ian R Coddington, Nathan Reynolds Newbury
Abstract: We discuss precision spectroscopy with a comb-based spectrometer at 3.4 {mu}m. Our goal is to explore comb-based spectroscopy as an alternative method for fast, highly resolved, accurate measurements of gas line shapes. The spectrometer uses dual 1.5 ...

32. Microresonator based optical frequency combs
Topic: Optical Physics
Published: 4/29/2011
Authors: Scott A Diddams, T. J. Klippenberg
Abstract: Optical frequency combs based on mode-locked laser sources have provided unprecedented measurement capabilities for optical frequencies, enabling new applications in a wide range of topics that include atomic clocks, ultracold gases, molecular finge ...

33. Nested Uncertainties and Hybrid Metrology to Improve Measurement Accuracy
Topic: Optical Physics
Published: 4/18/2011
Authors: Richard M Silver, Nien F Zhang, Bryan M Barnes, Hui H. Zhou, Jing Qin, Ronald G Dixson
Abstract: In this paper we present a method to combine measurement techniques that reduce uncertainties and improve measurement throughput. The approach has immediate utility when performing model-based optical critical dimension measurements. When modeling ...

34. Characterization of an actively linearized ultra-broadband chirp laser with a fiber-laser optical frequency comb
Topic: Optical Physics
Published: 3/25/2011
Authors: Zeb W Barber, Jason Dahl, Peter Roos, Randy Reibel, Nathan Greenfield, Fabrizio Raphael Giorgetta, Ian R Coddington, Nathan Reynolds Newbury
Abstract: The optical frequency sweep of an actively linearized, ultra-broadband, chirped laser source is characterized through optical heterodyne detection against fiber-laser frequency combs. Frequency sweeps were measured over approximately 4.7 THz bandwidt ...

35. Rapid, high resolution frequency comb measurements
Topic: Optical Physics
Published: 2/13/2011
Authors: Ian R Coddington, Fabrizio Raphael Giorgetta, Esther Baumann, William C Swann, Nathan Reynolds Newbury
Abstract: Frequency combs serve as an extremely high accuracy reference across broad portions of the optical spectrum. Dual frequency combs harness this accuracy and allow for fast and highly flexible measurements of passive and active sources.

36. Electron Vortex Beams with High Quanta of Orbital Angular Momentum
Topic: Optical Physics
Published: 1/14/2011
Authors: Benjamin James McMorran, Amit Kumar Agrawal, Ian M. Anderson, Andrew A Herzing, Henri J Lezec, Jabez J McClelland, John Unguris
Abstract: Analogous to vortices in light optical beams, electron optical beams with helical wavefronts carry orbital angular momentum and promise new capabilities for electron microscopy and other applications. We use nanofabricated diffraction holograms in an ...

37. Airless Solar System Bodies: Improvements to Radiative Transfer Modeling of Reflectance Spectra
Topic: Optical Physics
Published: 11/2/2010
Author: Nhan V Nguyen

38. The evolving optical frequency comb
Topic: Optical Physics
Published: 10/22/2010
Author: Scott A Diddams
Abstract: Much as natural historians search for the first roots of our human race, curiosity drives the laser scientist to pursue the roots of his or her own field. This is especially the case in this year where our community celebrates the 50th anniversary o ...

39. Sub-micron force detection using optically-cooled levitated microspheres
Topic: Optical Physics
Published: 9/3/2010
Authors: Andrew Geraci, Scott B Papp, John E Kitching
Abstract: We propose an experiment using optically trapped and cooled dielectric microspheres for the detection of short-range forces. The center-of-mass motion of a microsphere trapped in vacuum can experience extremely low dissipation and quality factors of ...

40. Efficient fiber optic detection of trapped ion flourescence
Topic: Optical Physics
Published: 7/9/2010
Authors: Aaron Vandevender, Yves Colombe, Jason Amini, Dietrich G Leibfried, David J Wineland
Abstract: Integration of fiber optics may play a critical role in the development of quantum information processors based on trapped ions, atoms, and quantum dots. Fibers could help enable a scalable and efficient means of collecting light from and deliverin ...

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