Zobrazeno 1 - 10
of 38
pro vyhledávání: '"T. R. O'Meara"'
Autor:
S. W. McCahon, D. M. Pepper, Gilmore J. Dunning, Marvin B. Klein, T. R. O’Meara, P. V. Mitchell
Publikováno v:
Materials Science Forum. :425-432
Autor:
William B. Bridges, S. P. Lazzara, J. A. Sanguinet, P. T. Brunner, T. R. O’Meara, T. A. Nussmeier, W. P. Brown
Publikováno v:
Applied optics. 13(2)
The theory of multidither adaptive optical radar phased arrays is briefly reviewed as an introduction to the experimental results obtained with seven-element linear and three-element triangular array systems operating at 0.6328 microm. Atmospheric tu
Autor:
Cardinal Warde, C. J. Gaeta, T. R. O’Meara, Thomas N. Horsky, Craig M. Schiller, P. V. Mitchell, David M. Pepper
Publikováno v:
Optics letters. 18(20)
We have constructed and demonstrated a single-pixel implementation of an all-optical membrane-based spatial light modulator as a compact optical wave-front error correction device. High rates of response of as much as 20 kHz in an open-loop configura
Publikováno v:
Optics letters. 11(9)
We have demonstrated an imaging threshold detector using a phase-conjugate resonator to provide high spatial resolution and signal regeneration near threshold. The device is based on spatially resolved grating erasure in photorefractive BaTiO(3) and
Autor:
R. R. Craig, R. R. Stephens, Richard C. Lind, A. A. Narayanan, Willie W. Ng, W.W. Chow, T. R. O’Meara, H.W. Yen, C. R. Giuliano, W.P. Brown
Publikováno v:
Conference Proceedings LEOS Lasers and Electro-Optics Society.
Autor:
I. Lahiri, T. R. O’Meara, David M. Pepper, G. J. Dunning, G.D. Bacher, Marvin B. Klein, M. P. Chiao, David D. Nolte, P. V. Mitchell
Publikováno v:
Nonlinear Optics '98. Materials, Fundamentals and Applications Topical Meeting (Cat. No.98CH36244).
In recent years, there has been a need for improved basic materials evaluation during and after processing. In particular, there is a need for nondestructive, noncontact characterization of critical materials without mechanical loading, inspection of
Publikováno v:
Review of Progress in Quantitative Nondestructive Evaluation ISBN: 9781461371700
The advantages of contact phased array detection of ultrasound have been successfully demonstrated and used in commercial applications for many years. If one phases the individual detector elements the receiver has the potential for electronic beam s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::586be286cb52e63f0fd5e84b9a5ff93a
https://doi.org/10.1007/978-1-4615-4791-4_37
https://doi.org/10.1007/978-1-4615-4791-4_37
Publikováno v:
Review of Progress in Quantitative Nondestructive Evaluation ISBN: 9781461374367
The virtues of laser-based ultrasound [1], LBU, in general, and phased-array generation and detection in particular, have been appreciated for many years. The ability to improve the spatial resolution of an imaging system, coupled with the potential
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::f44d88992d598a0fa5135005456e6bae
https://doi.org/10.1007/978-1-4615-5339-7_83
https://doi.org/10.1007/978-1-4615-5339-7_83
Autor:
M. P. Chiao, I. Lahiri, David D. Nolte, David M. Pepper, Gilmore J. Dunning, T. R. O’Meara, P. V. Mitchell
Publikováno v:
Review of Progress in Quantitative Nondestructive Evaluation ISBN: 9781461374367
Summary form only given as follows. There is a desire in manufacturing environments to nondestructively evaluate components and control processes in real time. Laser-based ultrasound has the potential to be a robust diagnostic for many applications.
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0d12fec48467cac8ec705f8bdcedab23
https://doi.org/10.1007/978-1-4615-5339-7_81
https://doi.org/10.1007/978-1-4615-5339-7_81
Autor:
P. V. Mitchell, M. P. Chiao, J. W. Wagner, Gilmore J. Dunning, T. R. O’Meara, David M. Pepper
Publikováno v:
Nondestructive Characterization of Materials VIII ISBN: 9781461371984
Cost effective real-time process control can potentially give the competitive edge to companies from such diverse areas as aerospace, energy, automotive and microelectronics. Improvements in operating efficiency and production yield while simultaneou
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4cf6713930b0fd442e30fda22a15f9c7
https://doi.org/10.1007/978-1-4615-4847-8_53
https://doi.org/10.1007/978-1-4615-4847-8_53