Research Paper | Optics & Laser Technology | Iraq | Volume 8 Issue 9, September 2019
Second Harmonic Generation of 236.5 nm Laser Beam by BBO Crystal Using Comsol Software
Raneen Salam Al-Obaidi | Suha Mousa Alawsi 
Abstract: Comsol of version 5.3a is used to design and simulate the SHG. The available tools in this software enable to introduce the best boundary conditions that suitable in the use with the nonlinear material of SHG. The simulation of SHG is carried out by two ways, they are: frequency domain and temporal domain. Both are employed to achieve double the frequency of the considered laser sources; blue laser of 473nm wavelength, and using BBO crystal of optical path 3×3×5mm. In fact, the results of temporal transform based Comsol showed the ability to implement the SHG experiment and achieving the double frequency (1.268 x1015s-1) of wavelength of 236.5nm laser besides the fundamental frequency (0.634x1015s-1) of 473nm wavelength laser. While the frequency domain results showed that the obtained photon flux density 2.4x1025 Photon/. s for the laser of wavelength of 473nm at the point of meeting the fundamental and second harmonic photon flux density.
Keywords: nonlinear optics, second harmonic generation, Comosl programming
Edition: Volume 8 Issue 9, September 2019,
Pages: 471 - 475
How to Cite this Article?
Raneen Salam Al-Obaidi, Suha Mousa Alawsi, "Second Harmonic Generation of 236.5 nm Laser Beam by BBO Crystal Using Comsol Software", International Journal of Science and Research (IJSR), https://www.ijsr.net/get_abstract.php?paper_id=ART20201060, Volume 8 Issue 9, September 2019, 471 - 475, #ijsrnet
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