Results 231 to 240 of about 2,314,871 (292)
Nanoworld of terahertz magnetism opening new frontiers.
NewtonKimel AV, Ivanov BA, Afanasiev D.
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Measuring Perfusion Pressure and Flow Resistance in a Microfluidic Device Using an External Optical System. [PDF]
J Micro Nano Sci EngCoughlin MC +3 more
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Optically Pumped Bipolar Transistor
Russian Microelectronics, 2023The properties of a bipolar npn transistor were studied when exposed to unmodulated incoherent radiation created by a “white” LED. The static and dynamic characteristics of the transistor were measured at various exposure intensities. It is shown that the change in the characteristics of the transistor under optical influence is due to an increase in ...
Yu. K. Altudov +3 more
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American Journal of Physics, 1960
A brief review is given of the basic concepts of optical pumping, followed by description of an optical pumping apparatus suitable for application to a number of experiments in an advanced undergraduate, or graduate laboratory.
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A brief review is given of the basic concepts of optical pumping, followed by description of an optical pumping apparatus suitable for application to a number of experiments in an advanced undergraduate, or graduate laboratory.
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Effect of Transverse Pumping in Optical Pumping
Journal of the Physical Society of Japan, 1972A theoretical and experimental study has been made of the effect of transverse optical pumping in the optical-rf double resonance of cesium atoms. The solution of Bloch type equations shows that the Hanle effect and new type resonances become notable in the weak magnetic field or for strong rf field, as the effect of the transverse pumping.
Noriaki Tsukada +2 more
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1976
In optically pumped solid-state lasers the light source must supply the maximum possible light output in the spectral region that can be absorbed by the laser material. Electrical current, either continuous or pulsed, is supplied to the pump source and converted into optical radiation.
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In optically pumped solid-state lasers the light source must supply the maximum possible light output in the spectral region that can be absorbed by the laser material. Electrical current, either continuous or pulsed, is supplied to the pump source and converted into optical radiation.
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Kinetics of optically pumped Kr metastables
Optics Letters, 2014Optically pumped lasers that use metastable excited states of Ar have been demonstrated using both pulsed and CW excitation. In terms of Paschen labeling of the states of Ar, the laser system uses excitation of the 2p9-1s5 transition, and lases on the 2p10-1s5 line.
Jiande, Han, Michael C, Heaven
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Optically Pumped Magnetometers for MEG
2014Optically-pumped magnetometers (OPMs) have seen rapid progress over the last decade in terms of performance and technology development. As highly sensitive room-temperature magnetometers they present several advantages over superconducting quantum interference device (SQUID) sensors, such as the possibility for conformal geometries and low-maintenance ...
Svenja Knappe +2 more
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Laser Saturation Spectroscopy with Optical Pumping
Optics Letters, 1979Unique features can occur in laser-saturation spectroscopy experiments in which optical pumping is present. These are described and demonstrated in atomic sodium and barium.
M S, Feld +4 more
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