Zobrazeno 1 - 10
of 15
pro vyhledávání: '"Joseph A. Musser"'
Publikováno v:
Applied optics. 54(2)
We report the development of a diffuse reflecting material with measured reflectivity values as high as 0.99919 at 532 nm and 0.99686 at 266 nm. This material is a high-purity fumed silica, or quartz powder, with particle sizes on the order of 40 nm.
Autor:
Robert A. Fusina, William D. Philpot, Geoffrey B. Smith, Michael Vermillion, Mark A. Sletten, Joan Gardner, Georgi T. Georgiev, Rong-Rong Li, Christopher Parrish, Andrei Abelev, Art Schwarzscild, Marcos J. Montes, Jon Sellars, Charlotte M. Snow, W. David Miller, Daniel Korwan, Charles M. Bachmann, Marcus Killmon, Jason Woolard, Barry R. Truitt, Joseph A. Musser, Deric Gray
Publikováno v:
Algorithms and Technologies for Multispectral, Hyperspectral, and Ultraspectral Imagery XVIII.
In June 2011, a multi-sensor airborne remote sensing campaign was flown at the Virginia Coast Reserve Long Term Ecological Research site with coordinated ground and water calibration and validation (cal/val) measurements. Remote sensing imagery acqui
Autor:
Mark A. Sletten, Rong-Rong Li, Jon Sellars, Stephen A. White, Michael Vermillion, Elena van Roggen, Andrei Abelev, Charles M. Bachmann, Christopher Parrish, Joan Gardner, Robert A. Fusina, G. B. Smith, William Philpot, Joseph A. Musser, Katarina Z. Doctor, Dan Korwan, C. Reid Nichols
Publikováno v:
Imaging and Applied Optics Technical Papers.
Our multi-sensor experiments are focused on coastal characterization from hyperspectral, thermal, LiDAR, and SAR. Cal/val activities include new instrumentation such as a field portable hyperspectral goniometer.
Publikováno v:
Frontiers in Optics 2009/Laser Science XXV/Fall 2009 OSA Optics & Photonics Technical Digest.
We present the ocean optics community with the first instrumentation to directly measure the backscattering coefficient of natural waters for arbitrary phase functions. It is suitable for in situ applications and has the requisite resolution.
Publikováno v:
Frontiers in Optics 2009/Laser Science XXV/Fall 2009 OSA Optics & Photonics Technical Digest.
A new diffuse reflector has been developed whose reflectivity in the 250 nm to 1 micron spectral region is so high that ring-down spectroscopy of scattering aerosols in an integrating cavity is now possible.
Autor:
A.V. Turukhin, Joseph A. Musser, Venkatapura S. Sudarshanam, Philip L. Hemmer, M. S. Shahriar
Publikováno v:
Technical Digest. Summaries of papers presented at the Quantum Electronics and Laser Science Conference. Postconference Technical Digest (IEEE Cat. No.01CH37172).
Summary form only given. Electromagnetically induced transparency (EIT) has been the subject of many experimental and theoretical studies over recent years. Most recently, substantial experimental and theoretical work in this area has been focused on
Publikováno v:
SPIE Proceedings.
Raman excited spin coherences were experimentally observed in nitrogen-vacancy (N-V) diamond color centers via nondegenerate four-wave mixing (NDFWM) and electromagnetically induced transparency (EIT). The maximal EIT-induced absorption suppression w
Autor:
M. S. Shahriar, V. S. Sudarshanam, A.V. Turukhin, Joseph A. Musser, Philip R. Hemmer, Byoung S. Ham
Publikováno v:
Physical review letters. 88(2)
We report ultraslow group velocities of light in an optically dense crystal of Pr doped ${\mathrm{Y}}_{2}{\mathrm{SiO}}_{5}$. Light speeds as slow as 45 m/s were observed, corresponding to a group delay of 66 \ensuremath{\mu}s. Deceleration and ``sto
Publikováno v:
Applied Optics. 50:4134
A single detector instrument concept that collects scattered light over the full range of backscattering angles is described. Its light collection aperture is designed so as to introduce a sin θ factor into the collection probability. Hence, the ins
Publikováno v:
Applied Optics. 48:3596
We report experimental results from a flow-through integrating cavity absorption meter. The operating range of the device is from 0.004 m(-1) to over 80 m(-1) of absorption. Absorption coefficients have been measured with 8% or less change in the pre