Development technology of helium neon laser power supply

Hayder J. Abdulrahman () and Sarah. Z. Najimaldeen ()

Edelweiss Applied Science and Technology, 2024, vol. 8, issue 6, 6431-6439

Abstract: The Helium-Neon (HeNe) laser is one of the most commonly used gas lasers in many spectroscopic applications. It is a visible laser with a typical wavelength of 632.8 nm. The best part is, due to its low cost and simplicity, it is popular among hobbyists as well. The output power of a practical HeNe laser tube is usually less than 1mW. In order to operate the HeNe laser, it requires a few kilovolts of direct current (DC). The necessary high voltage DC is generated by a HeNe laser power supply. A typical HeNe laser power supply is a complex, high voltage circuit which is designed to provide the gas discharge current, as well as to maintain the helium and neon mixture within the laser tube at an optimal pressure and temperature. There are many existing laser power supply designs. Therefore, the objective of this design project, "Development of Helium Neon Laser Power Supply" is to design and construct a HeNe laser power supply which is low cost, efficient, light in weight and most importantly, to develop a high voltage DC power supply circuit which can be used to power the HeNe laser. Through this design project, a comprehensive and systematic study from the analysis of the existed laser power supply designs to the performance testing of the developed HeNe laser power supply has been carried out. The use of organic electro-optic material for electro- optical applications was suggested many years ago. Many devices have been developed since then, but some of them have been examined for their electro- optic response. Due to the many and important uses of radioactive isotopes in medical and industrial applications, it became necessary to evolve materials that are used in protection. [1] [2] [3] [4] [5].

Keywords: Gas Discharge laser; Helium-Neon (HeNe) laser; High Voltage; Laser Power Supply; Spectroscopic Applications. (search for similar items in EconPapers)
Date: 2024
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