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It is the aim of this project to study the ability of producing second harmonic generation for a (10 mW) He-Ne laser and to test some optical properties for KDP crystal and to compare the results with those obtained in testing the same crystal with using a (18 mW) Laser Tube. It seems that the performance of visible radiation is more accurate rathe...
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We propose to integrate diffractive axicons into solar cells as a light trap for increasing of light absorbing efficiency. Experimental work and numer- ical simulations are provided in this paper. The experimental measurements of light-to-electricity conversion efficiency are conducted using a laser with tuna- ble wavelength.