Search Results - "Katzir, A"

Competing radiative and nonradiative decay of embedded ions states in dielectric crystals: theory, and application to Co2+:AgCl0.5Br0.5 by Shirakov, A, Burshtein, Z, Katzir, A, Frumker, E, Ishaaya, A A

“…We present a generally applicable theoretical model describing excited-state decay lifetime analysis of metal ions in a host crystal matrix. In contrast to…”
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Fiber-Optic Evanescent Wave Spectroscopy in the Middle Infrared by Raichlin, Y., Katzir, A.

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Competing radiative and nonradiative decay of embedded ions states in dielectric crystals: theory, and application to Co 2+ :AgCl 0.5 Br 0.5 by Shirakov, A, Burshtein, Z, Katzir, A, Frumker, E, Ishaaya, A A

“…We present a generally applicable theoretical model describing excited-state decay lifetime analysis of metal ions in a host crystal matrix. In contrast to…”
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Flattened infrared fiber-optic sensors for the analysis of micrograms of insoluble solid particles in solution or in a dry state by Raichlin, Y., Avisar, D., Gerber, L., Katzir, A.

“…Highly sensitive absorption measurements on various samples may be carried out by Fiber-optic Evanescent Wave Spectroscopy (FEWS) in the mid-IR. Such…”
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Optical losses of AgClBr crystals and fibers in the middle infrared by Israeli, S., Katzir, A.

“…► Rods of different diameter and a fiber were extruded from single crystal of AgClBr. ► Porosity, absorption and scattering at 10.6 μm increased when rod…”
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Raman spectroscopy of rare earth doped silver halide crystals by Shafir, I., Nagli, L., Katzir, A

“…The phonon energy of rare earth doped silver halide crystals was investigated using Raman spectroscopy. An additional phonon vibrational mode was observed and…”
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Influence of the surface roughness of silver halide fibers on their transmission in the near infrared by Israeli, S., Katzir, A.

“…► The surface roughness of silver halide fibers was reduced by KCN treatment. ► The transmission at near-IR was increased due to decrease of surface roughness…”
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Investigations of the structure of water using mid-IR fiberoptic evanescent wave spectroscopy by RAICHLIN, Y, MILLO, A, KATZIR, A

“…Liquid water is one of the most studied but still one of the least understood substances. The absorption spectra of water in the mid-IR were measured from -10…”
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Configurational coordinate diagram of Ni2+ doped silver halide crystals, as determined by optical and luminescence measurements by Zakosky-Neuberger, I., Shafir, I., Nagli, L., Katzir, A.

“…Optical and luminescence measurements were carried out on Ni2+ doped silver halide crystals. The configurational coordinates of the ground and the first…”
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Single-Mode Segmented Cladding Fibers for the Middle Infrared by Millo, A.., Naeh, I.., Katzir, A..

“…Single-mode (SM) fibers for the middle infrared (3-20 mum) are required for a variety of purposes, such as spatial filtering and interferometry. There has only…”
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Silver halide single-mode fibers for the middle infrared by Shalem, S., Tsun, A., Rave, E., Millo, A., Nagli, L., Katzir, A.

“…There is an interest in single-mode fibers that are highly transparent in the middle infrared. Such fibers would be valuable for spectroscopy, interferometry,…”
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Laser assisted thermoluminescence dosimetry using temperature controlled linear heating by Ditcovski, R., Gayer, O., Katzir, A.

“…We have developed a non-contact laser–fiberoptic system for thermoluminescence dosimetry (TLD) measurements. The system is based on: (i) linear heating of a…”
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Scanning near-field infrared microscopy based on tapered silver–halide probes by Ephrat, P., Roodenko, K., Nagli, L., Katzir, A.

“…We report on developments in scanning near-field infrared microscopy where the scanning elements are silver–halide tapered fiber probes. These probes showed…”
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Four-band fiber-optic radiometry for determining the “true” temperature of gray bodies by Scharf, V., Katzir, A.

“…Standard radiometric thermometry is based on measuring the infrared radiation emitted from a body in one broad spectral band. However, the “true” temperature,…”
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Middle infrared luminescence of Tb3+ in silver halide crystals and fibers by BRODETZKI, G, GAYER, O, SHAFIR, I, NAGLI, L, KATZIR, A

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Direct Monitoring of Soil and Water Nitrate by FTIR Based FEWS or Membrane Systems by Shaviv, A, Kenny, A, Shmulevitch, I, Singher, L, Raichlin, Y, Katzir, A

“…The development of silver halide fibers that transmit with minimal loss into the mid-IR (MIR) paved the way to their successful utilization as effective ATR…”
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Optimization of Fiber-Optic Evanescent Wave Spectroscopy: A Monte Carlo Approach by Mann, M. P., Mark, S., Raichlin, Y., Katzir, A., Mordechai, S.

“…The absorbance of the evanescent waves of infrared radiation transmitted through an optical fiber depends on the geometry of the fiber in addition to the…”
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Middle-infrared luminescence of Nd ions in silver halide crystals by Shafir, I., Gayer, O., Nagli, L., Shalem, S., Katzir, A.

“…The optical absorption and the luminescence emission in the middle infrared (mid-IR) were investigated in AgCl x Br 1− x crystals doped with Nd 3+ ions. Strong…”
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Potential of 'flat' fibre evanescent wave spectroscopy to discriminate between normal and malignant cells in vitro by HAMMODY, Z, HULEIHEL, M, SALMAN, A, ARGOV, S, MOREH, R, KATZIR, A, MORDECHAI, S

“…The present study focuses on evaluating the potential of flattened AgClBr fibre-optic evanescent wave spectroscopy (FTIR-FEWS) technique for detection and…”
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Collection-mode near-field scanning infrared microscope based on silver halide probes by Roodenko, K., Ephrat, P., Nagli, L., Katzir, A.

“…We developed a collection-mode scanning near field microscope for the midinfrared spectral range, employing probes fabricated from tapered silver halide…”
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