TEEROY
3 년 전
Intevac Photonics Inc., Santa Clara, California, was awarded a $16,356,572 firm-fixed-price contract for Generation II Electronic Image Intensifier Cameras production, Gen I and Gen II cameras depot repair, and ancillary technical services. Bids were solicited via the internet with one received. Work locations and funding will be determined with each order, with an estimated completion date of July 31, 2026. U.S. Army Contracting Command, Redstone Arsenal, Alabama, is the contracting activity (W58RGZ-21-F-0433).
https://www.defense.gov/News/Contracts/Contract/Article/2763413//
TEEROY
4 년 전
Microsoft award from Army could be positive catalyst for Intevac, says Northland 08:44 IVAC, MSFT After Microsoft (MSFT) announced it was awarded a production contract to supply the U.S. Army with 120,000 solder-mounted digital night vision system over the next 10 years in a pact that could be worth $22B, Northland analyst Gus Richard noted that Intevac (IVAC) is one of two image sensor suppliers for the Army's IVAS program. The analyst, who estimates Intevac's content per unit is $1,000 and expects they will get 50% of the business, reiterates his Outperform rating and $11 price target on Intevac shares.
Read more at:
https://thefly.com/n.php?id=3276439
TEEROY
4 년 전
Intevac Photonics Announces New $7 Million Development Program
Source: Business Wire
Intevac, Inc. (Nasdaq: IVAC) announced today that it has received a $1.8 million development contract award from the Joint Directed Energy Transition Office (DE JTO) in Albuquerque New Mexico, representing the funding for year one of a projected three-year, $7 million development effort. In this program, Intevac Photonics will develop a Gated SWIR Sensor for High Energy Laser (HEL) 2D Fine Tracking and Adaptive Optics system applications, building on the Company’s experience in its fielded LIVAR® camera technology and legacy Fine Tracking / Adaptive Optics sensor technology first used on the Airborne Laser (ABL) program.
“The Gated SWIR camera developed under this program represents a return of Intevac to the rapidly-growing Directed Energy (DE) weapons systems market. DE systems are expected to become a critical component of our military’s advanced weapons systems and represent a significant future market opportunity for Intevac,” commented Timothy Justyn, executive vice president and general manager of Intevac Photonics. “This contract award demonstrates the U.S. military’s continued commitment to Intevac’s SWIR LIVAR® technology for new systems applications,” added Wendell Blonigan, president and chief executive officer of Intevac.
Intevac's digital night-vision sensors, based on its patented Electron Bombarded Active Pixel Sensor (EBAPS®) technology, provide state-of-the-art capability to the most advanced avionic fighting platforms in the U.S. Department of Defense inventory.
Crow3
17 년 전
Quantom dots and old paint...
Dutch researchers have overcome the traditional incompatibility of Raman microscopy with fluorescence microscopy by exploiting the optical properties of semiconductor fluorescent quantum dots (QDs). They have now used their hybrid Raman fluorescence spectral imaging approach in single-cell microscopy applications.
Biophysical engineers Henk-Jan van Manen and Cees Otto of the University of Twente, The Netherlands, have used fluorescent nanoparticles to broaden the scope of single-cell microscopy by combining it with intracellular chemical analysis based on Raman.
According to the researchers, the need for fluorescent nanoparticles, or quantum dots, arises because common fluorescent labels overshadow the intrinsically weak Raman signals from DNA, proteins and lipids in cells. To side-step this problem, the team used fluorescent quantum dots that emit light in a wavelength region that is well-separated from Raman signals.
The group at the University of Twente has pioneered the use of Raman spectroscopy in investigating the chemical make-up of single cells. Van Manen and Otto have now demonstrated successfully the hybrid technique by illuminating white blood cells under UV at 413 nm, and observing the Raman signal from an enzyme critical to the innate immune response. This allowed them to detect and visualize the enzyme across the cell. In a second proof of principle experiment, the team used 647 nm light to investigate cellular proteins and lipids.
Van Manen and Otto say that the fluorescence Raman microscopy combination provides exciting new possibilities because the nanoparticles coated with antibodies raised against cancer biomarkers could be used to guide Raman microscopy to certain areas in tissues and allow the spread of cancer in a patient to be detected with molecular precision.
"We have exploited the optical properties of nanosized quantum dots to develop two new strategies for combining confocal Raman microscopy with confocal fluorescence microscopy on QD-labelled biological cells," conclude the researchers. The first approach uses resonant Raman microspectroscopy and imaging of enzymes, in this case flavocytochrome b558, and is, the team says, fully compatible with linear fluorescence microscopy of intracellular QDs.
The second method involves continuous-wave two-photon-excited fluorescence of the QDs in white blood cells and does not interfere with non-resonant Raman signals produced by proteins or lipids in the cells. "As these hybrid Raman fluorescence strategies should be applicable to any cell type that is amenable to labelling with QDs," the researchers add, "we envision that hybrid Raman fluorescence microscopy will offer new prospects for integrating QD imaging on cells with spatially resolved, detailed intracellular chemical analysis by broadband Raman microspectroscopy."
Infrared and Raman vibrational spectroscopies reveal the palette of frescos found in the medieval monastery of Karaach Teke
Annali di Chimica, 2007, 97, 491-503
T. Zorba, K.S. Andrikopoulos, K.M. Paraskevopoulos, E. Pavlidou, K. Popkonstantinov, R. Kostova, V. Platnyov, Sister Daniilia
//////////////////////////////////////////////////////////////
Abstract: Vibrational spectroscopy is applied on samples obtained from the excavation area of the medieval Monastery (10th century) of Karaach-Teke in Bulgaria. The results of the corresponding study, reveal the type of materials used for the creation of the wall-paintings and give evidence of Byzantine influence, a fact that further supports the well known impact of Byzantium on the technology and thematic-aesthetic features of iconography in Bulgaria during this era. In addition, the complementarity of FTIR and µ-Raman spectroscopies in the identification of pigments is indicated.
NOTE Vibrational=resonant. (I think) Alla this may be a bit beyond my pay grade...but may be of interest,,
Crow3
17 년 전
DELTA and NU are both greek letters.. If you wanta see what the other greek letters are, I suggest GOOGLE..just put in GREEK LETTERS, that oughta do it.
BTW, I am not presently an investor in any doo-hickey that employs that tech, but am looking at doing that,,thus this board was born.
Yall help me look, OK??
Crow3
17 년 전
RAMAN technology was named after the cat from India that first worked out the math of it. His name was RAMAN. That was in 1922, even before I was born. He had to look closely, since te RAMAN radiation is a very small part of what is emitted when excitation is applied to a substance..
But it tells a heap..does that small amount. So devices that employ that factor are fairly new. The U of Wyoming..and DELTANU, a company named for a frat house at the U, nae doot, ..is a pioneer of sorts in the utilization of that phenomenon...
About time that Wyoming got famous for SOMETHING!! LOL!!
Crow3
17 년 전
Intevac, Inc. Acquires DeltaNu
February 1st - Santa Clara, California USA
Provider of High-Performance, Miniature Spectroscopy Instruments
SANTA CLARA, Calif.--(BUSINESS WIRE)--Intevac, Inc. (Company) (Nasdaq:IVAC-News) completed acquisition of the assets and certain liabilities of DeltaNu, LLC, a Laramie, Wyoming company specializing in small footprint and handheld Raman spectroscopy instruments.
Intevac Imaging Vice-President and General Manager Joe Pietras stated, "DeltaNu has pioneered the development of miniaturized, high-performance Raman spectrometers. Their unique platform provides a family of portable and easy-to-use instruments for chemical identification in various laboratory and field applications, such as medical diagnostics, scientific research, forensics and industrial materials control.
"We eagerly look forward to new product opportunities that can be created by combining DeltaNu's miniature Raman spectrometer designs with Intevac's capabilities in near-infrared sensors, which will enable a new class of portable instruments with greatly enhanced chemical detection capabilities."
DeltaNu founder and Intevac's Raman Spectroscopy General Manager Dr. Keith Carron stated, "I am excited that DeltaNu will be a part of Intevac's growing imaging business. Intevac's capabilities in sensor technology provide a powerful, enabling addition to DeltaNu's experience in Raman spectroscopy instruments and applications, which will allow rapid growth of the DeltaNu business."
DeltaNu will be operated as a wholly owned subsidiary of Intevac, Inc., based in Laramie, Wyoming.
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