Zobrazeno 1 - 10
of 38
pro vyhledávání: '"Phillip C. Baker"'
Autor:
Thomas A. Silvestrini, Debby K Holmes-Higgin, Terry E Burris, Phillip C. Baker, John A. Scholl, Robert A. Proudfoot
Publikováno v:
Journal of Refractive Surgery. 13:556-567
OBJECTIVE: To evaluate the effects of the intrastromal corneal ring, a device developed to reduce myopia, on corneal asphericity in a large set of eye bank eyes. METHODS: Forty-one deturgesced eye bank eyes were implanted with intrastromal corneal ri
Publikováno v:
Conference Record of the 1991 IEEE Nuclear Science Symposium and Medical Imaging Conference.
The development of multilayer coatings which permit the efficient reflection of X-rays within a narrow wavelength band at normal or near-normal angles of incidence has resulted in the fabrication of X-ray telescopes and microscopes which have distinc
Autor:
David W. Robertson, Blas Cabrera, Dennis S. Martinez-Galarce, Paul Boerner, Troy W. Barbee, Aaron J. Miller, Phillip C. Baker, Kent D. Irwin, Steven Deiker, Lawrence Lesyna, K. Wamba, Stephen F. Powell, Arthur B. C. Walker, Richard B. Hoover, Sae Woo Nam
Publikováno v:
X-Ray and Gamma-Ray Instrumentation for Astronomy XI.
We are developing a new sounding rocket payload, the Advanced Technology Solar Spectroscopic Imager (ATSSI), that will use an 8 X 8 array of transition edge sensors (TES) to obtain true spectroheliograms in a spectral bandpass spanning approximately
Autor:
Richard B. Hoover, David L. Shealy, Arthur B. C. Walker II, Phillip C. Baker, Nicola Grupido, George Gutman, Troy W. Barbee, Jr.
Publikováno v:
SPIE Proceedings.
Autor:
Richard B. Hoover, Muamer Zukic, Silvano Fineschi, Arthur B. C. Walker, Phillip C. Baker, Marco Romoli, Jongmin Kim
Publikováno v:
SPIE Proceedings.
An analysis is presented of the stray light expected in a Coronagraph/Polarimeter operating at the H I Lyman (alpha) (Ly-(alpha) ) line ((lambda) 121.6 nm) and utilizing multilayer interference film optics and ultrasmooth substrates (i.e., rms-smooth
Autor:
Richard B. Hoover, Arthur B. C. Walker, Silvano Fineschi, Phillip C. Baker, Muamer Zukic, Jongmin Kim
Publikováno v:
SPIE Proceedings.
The Wide Field H-Lyman (alpha) Coronagraph/Polarimeter is currently being developed for solar research. This instrument has been designed to produce high resolution full-disk images of the Sun in a narrow bandpass centered at the neutral hydrogen Lym
Publikováno v:
SPIE Proceedings.
The S-056 Wolter I soft x-ray mirror used originally on Skylab for x-ray observations of the Sun is still in use today. The mirror has been flow polished to a surface finish of 5 angstroms for spatial frequencies from 1 - 1000 mm-1 and has been teste
Publikováno v:
SPIE Proceedings.
The surface finishing of X-ray grazing incidence optics is the most demanding area of optical processing. both in terms of metrology and application of optical finishing techniques.This paper discusses the application of specialized metrology and fin
Autor:
Paolo Bergamini, Giampiero Naletto, Thomas E. Berger, J. Gethyn Timothy, Jagadish C. Bhattacharyya, Martin H.C. Huber, Surendra K. Jain, Arthur B. C. Walker, Giuseppe Tondello, Phillip C. Baker, A. K. Saxena
Publikováno v:
SPIE Proceedings.
The ray-tracing results presented characterize the theoretically achievable EUV performance of the HiRES instrument. The effects of optical system misalignment on spectrograph images, and the laboratory results for two f/15 toroidal diffraction grati
Autor:
Richard B. Hoover, Silvano Fineschi, Arthur B. C. Walker, Muamer Zukic, Phillip C. Baker, Jongmin Kim, R. Barry Johnson
Publikováno v:
SPIE Proceedings.
We have designed, analyzed, and are now fabricating an All-Reflecting H-Lyman-alpha Coronagraph/Polarimeter for solar research. This new instrument operates in a narrow bandpass centered at 215.7 A - the neutral hydrogen Ly-alpha line. It is shorter