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Recent News and Articles on the Keywords: imaging + detectors + next  Related to the article below (Last Update: 8/4/2008)


Photonics.com
Massively parallel x-ray holography
ZDNet - Aug 2, 2008
... using URAs in gamma-ray detectors. He asked himself, ?What would happen if we put a URA right next to an object we were imaging with the x-ray beamline? ...
Micron-sized X-Ray Holograms Photonics.com
all 8 news articles »

AAFP News Now
Radiologic Evaluation of Hematuria: Guidelines from the American ...
AAFP News Now - Jul 31, 2008
Hematuria is one of the most common presentations of patients with urinary tract diseases; therefore, it is a common reason for urinary tract imaging. ...
Insightful Light: Raman spectroscopy may offer doctors, dentists ...
Science News - Jul 18, 2008
Mischief at the molecular level often evades doctors? current imaging and detection abilities. So for sensing such changes, biomedical scientists are taking ...
Final Servicing Will Leave Hubble With Full Toolbox
Aviation Week, NY - Aug 3, 2008
"We've come a long way since Costar days, and really probably the new challenges now are trying to get the state-of-the-art detectors into our instruments ...
ISMB 2008 Talks Highlight Growing Bond Between Bioinformatics ...
bio1nf0rm (subscription), NY - Jul 25, 2008
For example, ?in early detection that would be the pathologists, radiologists, chemists who change biomarkers into imaging probes.? To obtain better results ...
Airport's calming features should make for serene security checks
Indianapolis Star, United States - Jul 20, 2008
But the scanners -- which would be used only when a passenger sets off a metal detector and opts not to be patted down -- are just one of many new elements ...
Airport scanners see through clothes MiamiHerald.com
all 28 news articles »
Raman imaging gets faster - Renishaw's new StreamLine Plus Raman ...
spectroscopyNOW.com (subscription), UK - Jul 25, 2008
The mapping works equally well on biological cells and inorganic surfaces and really takes SERRS and Raman mapping to the next level."
Varian Medical Systems Reports Strong Growth in Net Orders ...
istockAnalyst.com, OR - Jul 23, 2008
Revenues for the X-Ray Products business, including X-ray tubes and flat panel detectors for filmless imaging, were $77 million for the third quarter, ...VAR
Saint-Gobain opens crystals research and manufacturing facility ...
The Plain Dealer - cleveland.com, OH - Jul 29, 2008
At the core of the detectors -- sophisticated imaging devices that can "see" into trucks, cargo containers, even family minivans and identify potentially ...EPA:SGO
Women's Imaging Center Brings in New Digital Mammography Machines ...
RedOrbit, TX - Jul 15, 2008
Digital mammography uses an electronic x-ray detector similar to those found in digital cameras. The detector converts x-ray photons to light, ...PINK:TIGC
Source: Google News

Hard X-ray and ?-ray detectors for the NeXT mission -
T Takahashi, K Makishima, Y Fukazawa, M Kokubun, K … - New Astronomy Reviews, 2004 - Elsevier
... The first imaging observation up to 80 keV with a focusing ... Here we describe current
ideas about hard X-ray detector and soft c-ray detectors proposed for ...

A high resolution imaging detector for TeV gamma-ray astronomy -
MF Cawley, DJ Fegan, K Harris, AM Hillas, PW Kwok, … - Experimental Astronomy, 1990 - Springer
... to be described here, has verified this detection at the ... arc displayed in the hexagonal
image pattern on ... threshold energy and collection area of the detector. ...

Two-dimensional detector software: From real detector to idealised image or two-theta scan
AP Hammersley, SO Svensson, M Hanfland, AN Fitch, … - High Pressure Research, 1996 - informaworld.com
... The use of 2-D detectors for powder diffraction is relatively new ... image pixel at
the beam centre; the data points represented with ... If the detector gain is known ...

Signals induced in semiconductor gamma-ray imaging detectors -
JD Eskin, HH Barrett, HB Barber - Journal of Applied Physics, 1999 - link.aip.org
... pixel volume (pixel width/detector thickness) determines ... effects become significant
for detectors with fine ... predicts pulse-height spectra in imaging detectors. ...

Performance of a 41? 41-cm amorphous silicon flat panel x-ray detector for radiographic imaging … -
PR Granfors, R Aufrichtig - Medical Physics, 2000 - link.aip.org
... In an x-ray imaging system, the variable gain ... the DQE of the present detector with
those of other commercially available radiographic detection systems whose ...

Detection of missing data in image sequences -
AC Kokaram, RD Morris, WJ Fitzgerald, PJW Rayner - Image Processing, IEEE Transactions on, 1995 - ieeexplore.ieee.org
... both an MRF based and a 3-D AR detector for dirt ... This basic model therefore creates
each image by rear- ranging ... can be used to propose several detectors for a ...

… area thermal neutron imaging detectors comprising 157Gd/CsI-convertors and micro-strip gas detectors … -
B Gebauer, C Schulz, T Wilpert - … Research Section A: Accelerators, Spectrometers, Detectors …, 1997 - ingentaconnect.com
... large-area thermal neutron imaging detectors comprising 157 Gd ... A: Accelerators,
Spectrometers, Detectors and Associated ... position-sensitive detector for thermal ...

High spatial resolution gamma imaging detector based on a 5" diameter R3292 Hamamatsu PSPMT -
R Wojcik, S Majewski, B Kross, D Steinbach, AG … - Nuclear Science, IEEE Transactions on, 1998 - ieeexplore.ieee.org
... Copyright High Spatial Resolution Gamma Imaging Detector Based on ... resolution imaging
gamma-ray detectors were developed ... An 11.5 cm diameter imaging light guide ...

3D: The next generation near-infrared imaging spectrometer. -
L Weitzel, A Krabbe, H Kroker, N Thatte, LE … - Astron. Astrophys. Suppl. Ser, 1996 - edpsciences.org
... instrument efficiency including detector is 15 ... words: instrumentation: spectrographs;
detectors ? infrared: general ... The technique of imaging spectroscopy in ...

CdTe and CdZnTe gamma ray detectors for medical and industrial imaging systems -
Y Eisen, A Shor, I Mardor - … Research Section A: Accelerators, Spectrometers, Detectors …, 1999 - ingentaconnect.com
... circuits they lead to compact imaging systems of ... Utilizing these detectors as highly
efficient good ... losses at different depths of interaction in the detector. ...

Source: Google Scholar
 
 

Next Generation Imaging Detectors

Article Date: 14 Nov 2006 - 6:00am (PST)
A new generation of imaging detectors with low-noise and high-speed capabilities may transform imaging applications on NASA space missions, impact biomedical imaging and aid in homeland defense.

Rochester Institute of Technology and the University of Rochester recently won $847,000 from NASA's Astronomy Physics Research and Analysis program to build and test a detector that will capture sharper images and consume less power than technology currently in use.

The new imaging sensor, which will function at wavelengths spanning from ultraviolet to mid-infrared, will be able to operate reliably in the harsh radiation environment of space.

"These benefits will lead to lower mission cost and greater scientific productivity," says Donald Figer, director of the Rochester Imaging Detector Laboratory at RIT and lead scientist on the project. The team also includes Zoran Ninkov from RIT and Zeljko Ignjatovic from the University of Rochester.

Article continues below and (thank you)
 
The new detector is based on a technology created by Ignjatovic and his colleagues at the UR. It will shrink the required hardware on NASA planetary missions from the size of a crate weighing tens of pounds to a tiny thumb-sized chip. It also will enhance images captured by ground telescopes that will rival those from orbiting telescopes, like the Hubble Space Telescope.

Ignjatovic's chip integrates an analog-to-digital converter at each pixel in a sensor. "Previous attempts to do this on-pixel conversion have required far too many transistors, leaving too little area to collect light," says Ignjatovic.

"First tests on the chip show that it uses 50 times less power than the industry's current best, which is especially helpful on deep-space missions where energy is precious."

Despite the chip's low power consumption and sensitivity, it is surprisingly resistant to the radiation noise of space. Since each pixel converts the signal from analog to digital before moving it off-chip, the signal is digital and clear before it has a chance to travel and degrade.
 
Coatings applied to the light sensitive portion of the sensor will optimize the technology and the ability to detect a range of wavelengths. RIT's Ninkov will explore techniques for bonding the coating to the delicate circuit using industrial microwave ovens. Further testing of the overall system will determine how the sensors hold up in cryogenic environments where the device is cooled to very low temperatures, imitating conditions in space.

In addition to astronomical applications, the detector could improve biomedical imaging devices used in emergency rooms or on battlefields. The technology could aid in homeland security surveillance efforts to watch the nation's borders. Likewise, military applications could adopt the detector for use as airborne or space-based lasers designed to shoot down missiles aimed at the United States.

Figer was recruited by RIT's Chester F. Carlson Center for Imaging Science through a faculty development program grant awarded by the New York State Office of Science, Technology and Academic Research (NYSTAR). The grant provides interim state assistance to help attract distinguished faculty throughout the world to New York's academic research centers, and to retain leading researchers already in New York Institutions of Higher Education.

"In the first year of the NYSTAR award, we're landing this anchor project for our program," Figer says. "With this project, we will establish the capability to develop imaging sensors for multidisciplinary applications, an important objective in becoming an internationally leading laboratory, and in leveraging cutting-edge technologies for the benefit of regional industry."

###

Contact: Susan Gawlowicz
Rochester Institute of Technology
 
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