Radial diffusion between coaxial cylinders and surface deactivation of O2(b1Eg+)

Glen P. Perram; Deborah A. Determan; John A. Dorian; Barrett F. Lowe; Tim L. Thompson

doi:10.1117/12.145213

6 June 1993 Radial diffusion between coaxial cylinders and surface deactivation of O₂(b¹E_g⁺)

Glen P. Perram, Deborah A. Determan, John A. Dorian, Barrett F. Lowe, Tim L. Thompson

Proceedings Volume 1871, Intense Laser Beams and Applications; (1993) https://doi.org/10.1117/12.145213
Event: OE/LASE'93: Optics, Electro-Optics, and Laser Applications in Scienceand Engineering, 1993, Los Angeles, CA, United States

Abstract

The rates for deactivation of singlet oxygen, O₂(b¹(Sigma) _g⁺), upon collision with pyrex, Teflon, aluminum, copper, and nickel surfaces have been determined in a steady-state flow tube reactor. Numerical and approximate analytic solutions of the radial diffusion equation with coaxial cylindrical boundary conditions are presented to obtain wall deactivation probabilities from observed first order decay rates. The probability for deactivation at nickel surfaces is large, (gamma) equals 0.026. However, it is unlikely that surface deactivation of O₂(b¹(Sigma) _g⁺) in Chemical Oxygen-Iodine Lasers has any significant effect on laser performance.

Citation Download Citation

Glen P. Perram, Deborah A. Determan, John A. Dorian, Barrett F. Lowe, and Tim L. Thompson "Radial diffusion between coaxial cylinders and surface deactivation of O₂(b¹E_g⁺)", Proc. SPIE 1871, Intense Laser Beams and Applications, (6 June 1993); https://doi.org/10.1117/12.145213

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