Power Density Research Papers - Academia.edu (original) (raw)

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The possibility of developing a photochemical setup on the basis of an optically pumped ammonia laser with an intracavity photoreactor is proved. The obtained values of the cavity 'implication' factor γ are comparable with those of... more

The possibility of developing a photochemical setup on the basis of an optically pumped ammonia laser with an intracavity photoreactor is proved. The obtained values of the cavity 'implication' factor γ are comparable with those of intracavity systems based on a CO2 laser. The conditions for achieving the maximum energy in the focusing cavity are determined and the ways to control the shape of its caustic are indicated.

The fuel energy resources around the globe are declining at a faster rate. The greenhouse gases emitted in the process of harnessing energy from the non-renewable resources such as coal, fossil-fuel and radioactive substances cause the... more

The fuel energy resources around the globe are declining at a faster rate. The greenhouse gases emitted in the process of harnessing energy from the non-renewable resources such as coal, fossil-fuel and radioactive substances cause the global warming and there is a danger of climate change. All these factors compel the researchers to explore renewable sources for power generation. Wind is a renewable resource, which is available naturally and is practically inexhaustible. In this study, the hourly wind data collected between the years 2013 to 2015 is evaluated. The wind data at the height of 11 m was obtained from a wind station at the Indian Meteorological Department, Colaba (Mumbai, India). The highest monthly wind speed measured was 5.11 m/s and the yearly average was found to be 2.72 m/s. various distribution functions were statistically analyzed and it was observed that the Two-parameter Weibull distribution gives the best fit to the actual data. The mean wind power density was...

A dielectrically defined gate process has been developed that uses optical lithography to pattern near quarter micron T- gates. Record output power densities of 2.0 and 1.8 W/mm have been measured at 2 and 10 GHz, respectively. When... more

A dielectrically defined gate process has been developed that uses optical lithography to pattern near quarter micron T- gates. Record output power densities of 2.0 and 1.8 W/mm have been measured at 2 and 10 GHz, respectively. When applied to an X -band MMIC circuit, significantly higher power was measured. The new process offers improved performance and throughput compared to the standard e- beam defined T-gates. Initial results indicate that yield is better as well. These improvements are attributed to passivating the GaAs surface at an earlier step, resulting in fewer surface states and traps.

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