Factors affecting improvement of fluorescence intensity of quartet and doublet state of NO diatomic molecule excited by glow discharge<xref rid="cpb_27_8_085202fn1" ref-type="fn">*</xref> <fn id="cpb_27_8_085202fn1"><label>*</label><p>Project supported by the Funds from Laser Sciences and Interactions Department, National Institute of Laser Enhanced Sciences (NILES), Cairo University, Giza, Egypt; the Fund from the Department of Physics, Faculty of Science for Girls, Imam Abdulrahman Ben Faisal University (x-Dammam University), the Fund from Dammam 31441, Saudi Arabia, and the Physics Department of King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, Saudi Arabia.</p></fn>

Factors affecting improvement of fluorescence intensity of quartet and doublet state of NO diatomic molecule excited by glow discharge* *

Project supported by the Funds from Laser Sciences and Interactions Department, National Institute of Laser Enhanced Sciences (NILES), Cairo University, Giza, Egypt; the Fund from the Department of Physics, Faculty of Science for Girls, Imam Abdulrahman Ben Faisal University (x-Dammam University), the Fund from Dammam 31441, Saudi Arabia, and the Physics Department of King Fahd University of Petroleum and Minerals (KFUPM), Dhahran, Saudi Arabia.

Khalil Ahmed Asaad I^{1, 4, †}, Al-Tuwirqi Reem², Gondal Mohamed³, Al-Suliman Noura⁴

(color online) Time evolution of fluorescence intensity of NO molecular density in the post-discharge region of NO molecular gas relative to argon gas mixture in the probed state after glow discharge at various argon ambient gas concentrations Ar (1%)/NO, Ar (5%)/NO, Ar (10%)/NO, and Ar (20%)/NO at fixed 30-kV glow discharge voltage, 25 mbar, and 50 mA.