Microwave Excited CO[sub]2[/sub]-Lasers

B. Freisinger; J. H. Schafer; J. Uhlenbusch; Z. B. Zhang

doi:10.1117/12.961557

26 October 1989 Microwave Excited CO₂-Lasers

B. Freisinger, J. H. Schafer, J. Uhlenbusch, Z. B. Zhang

Proceedings Volume 1132, High Power Lasers and Laser Machining Technology; (1989) https://doi.org/10.1117/12.961557
Event: 1989 International Congress on Optical Science and Engineering, 1989, Paris, France

Abstract

The excitation of CO2-N2-He gas mixtures by means of microwaves (V = 2.45 GHz) leading to laser action is posstblb. In order to avoid hot boundary layers near the discharge wall a proper distribution of the gas flow and the microwave field must be chosen. Additionally an ignition setup is necessary to achieve a homogeneous glow in the discharge tube. In a first part of this paper ignition and permanent maintenance of a microwave discharge as well as the kinetic processes leading to laser action are studied on a theoretical base. The theoretical data are compared with experimental ones obtained from an ignition experiment and CO2-laser devices of 0.3 or 1 kW cw output power, respectively. Examples for continuous and pulsed laser operation are given.

Citation Download Citation

B. Freisinger, J. H. Schafer, J. Uhlenbusch, and Z. B. Zhang "Microwave Excited CO₂-Lasers", Proc. SPIE 1132, High Power Lasers and Laser Machining Technology, (26 October 1989); https://doi.org/10.1117/12.961557

ACCESS THE FULL ARTICLE

INSTITUTIONAL
Select your institution to access the SPIE Digital Library.

SELECT YOUR INSTITUTION

PERSONAL
Sign in with your SPIE account to access your personal subscriptions or to use specific features such as save to my library, sign up for alerts, save searches, etc.

PERSONAL SIGN IN

No SPIE Account? Create one

PURCHASE THIS CONTENT

SUBSCRIBE TO DIGITAL LIBRARY

50 downloads per 1-year subscription

Members: $195

Non-members: $335 ADD TO CART

25 downloads per 1 - year subscription

Members: $145

Non-members: $250 ADD TO CART

PURCHASE SINGLE ARTICLE

Includes PDF, HTML & Video, when available