Výsledky vyhledávání - "Mark A. Culpepper"

First experimental demonstration of self-synchronous phase locking of an optical array

Autor: Mark A. Culpepper, Anthony D. Sanchez, J. T. Baker, Benjamin G. Ward, D. Pilkington, Justin B. Spring, Chunte A. Lu, Thomas M. Shay, Vincent Benham, Douglas J. Nelson

A novel, highly accurate, all electronic technique for phase locking arrays of optical fibers is demonstrated. We report the first demonstration of the only electronic phase locking technique that doesn't require a reference beam. The measured phase

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7d70ceb53d1012af77c094dccc7e3e73
https://ora.ox.ac.uk/objects/uuid:e72cb3f7-7a6c-4ea4-8c8a-5821981a855d

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First experimental demonstration of self-synchronous locking of optical coherence by single-detector electronic-frequency tagging of fiber amplifiers

Autor: Chunte A. Lu, Anthony D. Sanchez, Thomas M. Shay, Justin B. Spring, Mark A. Culpepper, J. T. Baker, Benjamin G. Ward, Vincent Benham, Douglas J. Nelson, D. Pilkington

Publikováno v: SPIE Proceedings.

A novel high accuracy all electronic technique for phase locking arrays of optical fibers is demonstrated. We report the first demonstration of the only electronic phase locking technique that doesn't require a reference beam. The measured phase erro

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::d1ec7b04c0e3f8393de029486478d61d
https://doi.org/10.1117/12.678425

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Self-referenced locking of optical coherence by single-detector electronic-frequency tagging

Autor: T. M. Shay, Vincent Benham, Justin Spring, Benjamin Ward, F. Ghebremichael, Mark A. Culpepper, Anthony D. Sanchez, J. T. Baker, D. Pilkington, Richard Berdine

Publikováno v: Fiber Lasers III: Technology, Systems, and Applications.

A coherent laser beam combining system wherein the output of a single master oscillator is split into a plurality of signals, the signals are electronically modulated at unique frequencies. One signal is designated a reference signal while the remain

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::e265bd1f55c01e4a83f651c89e92522d
https://doi.org/10.1117/12.646634

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Coherent combination of fiber laser beams

Autor: Mark A. Culpepper

Publikováno v: SPIE Proceedings.

Coherent combination of free-space beams from continuous-wave, 1547 nm, narrow-band, single-mode fiber-lasers was experimentally investigated. Beams from fiber lasers (in a master oscillator/ power amplifier arrangement) were collimated. The beams we

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c0ff6addd28bb9ce1d2fd4746b082ef0
https://doi.org/10.1117/12.469476

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New contamination engineering technology for active on-orbit surface cleaning

Autor: Jimmy L. Clark, Philip T. Chen, Mark A. Culpepper, Douglas R. Jungwirth, Wilfried Krone-Schmidt

Publikováno v: Optical Systems Contamination and Degradation II: Effects, Measurements, and Control.

The goal is the Active Cleaning for Space-systems (ACES) project is to develop and demonstrate a new means for on-orbit cleaning of particle contaminants from optical surfaces on satellites. This paper describes the rationale for on-orbit cleaning, a

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::88636461a0edea186eb540d5c8164c6c
https://doi.org/10.1117/12.400822

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Empirical bidirectional reflectivity model

Autor: Mark A. Culpepper

Publikováno v: Targets and Backgrounds: Characterization and Representation.

Several mathematical models for the bidirectional reflectivity distribution function (BRDF) are compared to plane-of-incidence (PLIN), BRDF measurements of opaque surfaces. A laser at 0.6328 micrometers wavelength was the source for the BRDF measurem

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6036a46d127614f83d0bfac132f8c167
https://doi.org/10.1117/12.210592

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First experimental demonstration of coherent fiber array phase locking without an external reference beam

Autor: D. Pilkington, Benjamin G. Ward, Mark A. Culpepper, Vincent Benham, A.D. Sanchez, Thomas M. Shay, R. Berdine, Justin B. Spring, J. T. Baker

A 3/spl times/3 passive fiber and a 3/spl times/2 fiber amplifier arrays were phase locked using two novel phase locking architectures. The measured phase error was /spl lambda//22 independent of the number of elements locked.

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::33f44afa47985528d4c933412d920dad
https://zenodo.org/record/1275285

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