نتایج جستجو برای: power absorption
تعداد نتایج: 612649 فیلتر نتایج به سال:
We report the discovery of three HI absorbers toward low-power radio active galactic nuclei (AGNs) in a pilot absorption survey with Five-hundred-meter Aperture Spherical Telescope (FAST). Compared to past studies, FAST observations have explored lower powers by $\sim$0.4 dex and detected these weakest at given redshifts. By comparing gas properties kinematics sources along powers, we aim explo...
In microwave induced thermo-acoustic tomography (MITAT) system, radiation of an antenna is a near field problem which gives rise to a non-uniform distribution of microwave radiation power in detection area. Due to this non-uniform distribution, the contrast of MITAT image which is proportional to the absorbed microwave energy will not reflect the real characteristics (dielectric properties) of ...
High brightness semiconductor lasers are potential transmitters for future space LIDAR systems. In this contribution, we propose an all-semiconductor laser source for an Integrated Path Differential Absorption LIDAR system for column-averaged measurements of atmospheric CO2 in future satellite missions. The transmitter design is based on two monolithic Master Oscillator Power Amplifiers, provid...
We characterize thermally-induced effects in an optical resonator illuminated with high-power laser radiation. From thermoelastic deformation of a mirror’s surface, we observe degeneracy of higher-order spatial modes with the fundamental mode that leads to power transmission limits and thermally-induced power fluctuations using a ring resonator with calibrated absorption loss. A model used to p...
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