نتایج جستجو برای: thermal infrared imaging
تعداد نتایج: 749235 فیلتر نتایج به سال:
Introduction: Enhanced understanding of the mineralogy of the Martian surface can be achieved through joint analysis of the near-infrared and thermal datasets. Because the physical processes of absorption differ in these wavelength regimes, the joint datasets are complimentary and offer important insights into surface compositions and textures unattainable through independent and comparative an...
The reliability of an integrated circuit (IC) is a strong function of temperature. In this study, we developed domputer-aided design tools to predict the temperature distribution of an IC die and compared it with thermal maps obtained by infrared (IR) imaging. A temperature sensor array fabricated on test chips was used to measure the actual surface temperature of an IC die., This array was use...
Sir, Nowadays methods of X-ray diagnostics together with medical drugs or devices with contrasting properties may be used for imaging of humans and animals body parts. Intravascular and intracavitary injection of the X-ray contrast agent solutions is a common practice in clinical settings. However, it is known that the use of radiological methods of X-ray diagnostics together with contrast agen...
Thermal infrared imaging is a valuable tool to perform non-destructive qualitative tests and to investigate buildings envelope thermal-energy behavior. The assessment of envelope thermal insulation, ventilation, air leakages, and HVAC performance can be implemented through the analysis of each thermogram corresponding to an object surface temperature. Thermography also allows the identification...
Varicocele is a common male disease defined as the pathological dilatation of the pampiniform plexus and scrotal veins with venous blood reflux. Varicocele usually impairs the scrotal thermoregulation via a hemodynamic alteration, thus inducing an increase in cutaneous temperature. The investigation of altered scrotal thermoregulation by means of thermal infrared imaging has been proved to be u...
Using a visible beam to probe the thermal effect induced by infrared absorption, mid-infrared photothermal (MIP) microscopy allows bond-selective chemical imaging at submicron spatial resolution. Current MIP microscopes cannot reach the high wavenumber region due to the limited tunability of the existing quantum cascade laser source. We extend the spectral range of MIP microscopy by difference ...
Introduction: Thermal infrared day and night images (100m/pixel) from the Mars Odyssey Thermal Emission Imaging System (THEMIS) are used for thermophysical and spectral analyses of low-albedo intracrater materials and wind streaks in Western Ara-bia Terra. THEMIS data are compared with Mars Global Surveyor (MGS) Thermal Emission Spectrometer (TES) derived surface compositions and Mars Or-biter ...
* Tel. (831) 459-3821, FAX (831) 459-4829, [email protected] ABSTRACT Thermal measurements on a sub-micron scale are non-trivial, but are important for the characterization of modern semiconductor and opto-electronic devices. In this paper we will discuss the application of the thermoreflectance method for real time sub-micron thermal imaging. By using light in the visible spectrum, the diffract...
A simple measurement system is described for evaluating damage to graphite-epoxy panels, such as those used in high-performance aircraft. The system uses a heating laser and infrared imaging system to measure thermal performance. Thermal conductivity or diffusivity is a sensitive indicator of damage in materials, allowing this thermal measurement to show various degrees of damage in graphite-ep...
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