Design and construction of prototype transversely excited atmospheric (TEA) nitrogen laser energized by a high voltage electrical discharge

Simulation of Pulsed High Voltage DC Source And Blumlein Transmission Line

“…The amplitude decreases and falls to zero within 0.5 ms; then maximum amplitude achieved after 6.5 ms which falls again to zero after 0.5 ms as shown in Fig.9.At the highestamplitudeof voltage waveform, the potential difference across the transmission line is maximum, consequently strong electric fieldcreated across the Blumlein transmission line.Subsequently, when the amplitude falls, the strength of electric field decreases across the Blumlein transmission line, so as potential difference as well. Such behavior of voltage in the Blumlein transmission line practically generates the coherent ultraviolet pulses in the air in the form of TEA Nitrogen Laser as reported [8][9][10][11]13]. The simulated voltage waveform variation across the Blumlein transmission lineshown in Fig.…”

“…Further applications, thinfilm deposition for non-linear optical purposes [5],Te-doped Ge-Se thin films crystallization [6], andcategorization of change in phase of chalcogenide thin films [7]. The development and optimization of TEA nitrogen laser based on the Blumlein circuit [8], time-dependent inductance and resistance of free running spark gap of Blumlein based nitrogen laser for various resistive phase periods described [9,10]. The oscillatory behavior of power, current and the voltage across the laser discharge channel has observed [9].…”

“…The properties of discharge evaluation of Blumlein based pulsed laser described [11],and multiple switch Blumlein generator [12]. Theparametric analysis of Blumlein line nitrogen laser [13], for atmospheric pressure plasma treatment [14] nanosecond Blumlein based pulse source analysis [15] and Blumlein based nitrogen laser developed and investigated [8,[16][17][18][19].The Modeling of the Blumlein circuit and laser plasa resistance and inductance described [20].…”

“…The coherent ultraviolet pulses were generated from the air at atmospheric pressure by employing DC high voltage source from the Blumlein transmission line electrical circuit [8]. The purpose of our present study is to simulate and optimize the pulsed DC high voltage source and the observance ofvariation of voltage waveform across the Blumlein transmission line.…”

Simulation and Analytical Analysis of the Blumlein Discharge Circuit for the Generation of Coherent UV Pulses in Air

“…In Blumlein, the discharge in the laser tube reaches to the peak value of V0(Applied voltage) whereas in C-to-C the voltage is reached to only H. Golnabi and A. Ashrafi in 1994 also studied the electrical properties of nitrogen laser constructed using Blumlein and C-to-C discharge circuits and concluded that Blumlein is more efficient [3]. Blumlein discharge circuit is employed to generate nitrogen laser at 0 to 5 bar pressure [4], and transversally electrical excitation at atmospheric (TEA) pressure nitrogen laser was reported [5,6,7,8]. Adolf J. Schwab in 1976 [9] presented the design of nitrogen laser using Blumlein discharge with the efficiency of 0.2-0.4% which is far better than that produced from C-to-C discharge system by K.A.…”