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1
Low frequency properties of dielectric crystals
III/11 and its supplement III/18 dealing with elastic, piezoelectric, pyroelectric and optical properties of crystals, a complete recompilation of the data of these volumes and of new data was performed.
2
Infrared Detectors, Second Edition
7 Pyroelectric Detectors Whenever a pyroelectric crystal undergoes a change of
temperature, surface charge is produced in a particular direction as a result of the
change in its spontaneous polarization with temperature . This effect has been ...
3
The Handbook of Photonics, Second Edition
Domain engineering of the spontaneous polarization of ferroelectric pyroelectric
detectors has been employed to reduce acoustic sensitivity [128]. The quality of
new materials must be judged with respect to existing ones. An overview of the ...
Mool C. Gupta, John Ballato, 2006
4
Dielectric Phenomena in Solids: With Emphasis on Physical ...
The angle between two adjacent axes is 120 degrees, so the pyroelectric effects
tend to cancel each other. Hence, a-quartz is not pyroelectric. Similarly, zinc
blend ZnS (zinc sulfide) possesses four threefold axes and hence is piezoelectric
...
5
Undergraduate Instrumental Analysis, Sixth Edition
Pyroelectric Detectors Pyroelectric materials change their electric polarization as
a function of temperature. These materials may be insulators (dielectrics),
ferroelectric materials, or semiconductors. A dielectric placed in an electrostatic
field ...
James W. Robinson, Eileen M. Skelly Frame, George M. Frame II, 2004
6
Physical Properties of Polymers Handbook
Other popular pyroelectric polymers are: poly(vinylchlor- ide) (PVC), poly(
vinylfluoride) (PVF), and Nylon 11, but their pyroelectric coefficients are smaller
than pyroelectric coefficient of PVF2. On the other hand the pyroelectric
coefficient of ...
7
The Industrial Electronics Handbook
Vectorial Pyroelectric Effects. The ordinary pyroelec- tric effect is a linear
reversible change in polarization due to a uniform change of temperature with the
electrical field held constant. Primary and secondary forms of the effect are
directional ...
8
Handbook of Biomedical Instrumentation
!IBB> 24.6 PYROELECTRIC VIDICON CAMERA The pyroelectric vidicon is a
thermal imaging tube. This tube resembles the standard vidicon, the main
difference being that the material used for the target is sensitive to infrared
instead of ...
5.5.2 Pyroelectric Materials The subset of piezoelectric materials, that is, '
pyroelectrics', in addition to producing electric fields under mechanical stress
also produce electric fields under the influence of increments of temperature: dD
= d(dT) + ...
P.T Moseley, J Crocker, 1996
10
Physics, Chemistry and Technology of Solid State Gas Sensor ...
In 1938 the key paper that led pyroelectricity to its recent developments was
published by Yeou Ta (1938) and was entitled, "Action of Radiation on
Pyroelectric Crystal." This paper was the basis of the development of
photopyroelectric infrared ...
WIADOMOŚCI, KTÓRE ZAWIERAJĄ SŁOWO «PYROELECTRIC»
Sprawdź, o czym dyskutuje się w prasie krajowej i zagranicznej oraz jak jest stosowane słowo
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Research and Markets: North America IR Detector Market 2015 …
The different IR detector technologies detailed include mercury cadmium telluride (MCT), InGaAs, pyroelectric, thermopiles, and microbolometers. In the ... «Business Wire, Kwi 15»
Global IR Detector (MCT, InGaAs, Pyroelectric, Thermopyle …
The technologies covered include MCT, InGaAs, Thermopyle, Pyroelectric, and Microbolometers. The spectral ranges covered are ShortWave Infrared (SWIR), ... «GlobeNewswire, Sie 14»
IR Detector Market by Technology (MCT, InGaAs, Pyroelectric …
Thermopyle, Pyroelectric, and Microbolometers technologies are the most popular for this spectral range. MCT and InGaAs are expensive technologies, which ... «PR Newswire, Lip 14»
Laser Components Expands Through Acquisition - Pyroelectric …
“Microwatt and its personnel will add excellent know-how and decades of experience in the production of Pyroelectric Detectors. With Alan Doctor, one of the ... «Optics.org, Cze 14»
InfraTec's Dual-Channel Detector in Single-Supply Operations
InfraTec GmbH in Dresden, Germany has more than 20 years of experience in the design and manufacture of pyroelectric infrared (IR) detectors. In 2002, the ... «Novus Light Technologies Today, Cze 14»
FLUKE VT02 report + IRISYS Redeye-6A sensor report Bundle …
The thermal sensor used in this camera is a ceramic pyroelectric array. A camera module, an infrared optical lens, a 2.2 display are packed in a compact ... «PR Newswire, Lut 14»
Thin Film PZT for Semiconductor Application Trends & Technology …
Depending on its composition, it has the advantage of combining 3 different material properties: high dielectric constant, pyroelectric effect and piezoelectric ... «PR Newswire, Sty 14»
A Novel Low-cost Pyroelectric Device for Enhancing the Solar Cell …
This paper describes a novel technology to improve the efficiency of solar cells by applying high frequency pulses from pyroelectric devices. It is shown that the ... «Greentech Media, Sie 13»
Ultrasolar Exploits Hot Electrons, Pyroelectric Effect to Enhance PV
The startup's pyroelectric device creates a strong pulsing electric field that is applied to the solar panel. According to the firm, this oscillating field separates more ... «Greentech Media, Sie 13»
Smaller is Better – Understanding Pyroelectric Nanomaterials
“Measuring the pyroelectric response of thin films is difficult and has restricted the understanding of the physics of pyroelectricity, prompting some to label it as ... «The Green Optimistic, Sty 13»
