Unique Problems And A Possible Novel Optical Design Approach For The Design And Assembly Of CO[sub]2[/sub] Laser Fusion Systems

V. K. Viswanathan

doi:10.1117/12.956640

1 December 1978 Unique Problems And A Possible Novel Optical Design Approach For The Design And Assembly Of CO₂ Laser Fusion Systems

V. K. Viswanathan

Author Affiliations +

Proceedings Volume 0147, Computer-Aided Optical Design; (1978) https://doi.org/10.1117/12.956640
Event: 22nd Annual Technical Symposium, 1978, San Diego, United States

Abstract

The LASL CO₂ laser fusion systems present some unique problems preventing successful utilization of conventional techniques. A few of them are: 1) use of tight spatial filters renders techniques based on ray tracing ineffective; 2) the spatial filters remove only certain aberrations and the saturable gain and loss media alter intensity distributions in a nonlinear fashion; 3) high and low Fresnel numbers are encountered at different parts of the system; 4) the use of state-of-the-art novel components like dia-mond point turned optical elements and 16-inch NaCl windows which degrade the nominally diffraction-limited performance; 5) the pulse being nominally nanosecond does not help. Hence, a custom tailored combination of programs' and a different approach (utilizing detailed examination of the Zernike polynomial set by which each component is characterized) appears necessary. An example using the LASL Two Beam CO₂ Laser Fusion System is presented.

Citation Download Citation

V. K. Viswanathan "Unique Problems And A Possible Novel Optical Design Approach For The Design And Assembly Of CO₂ Laser Fusion Systems", Proc. SPIE 0147, Computer-Aided Optical Design, (1 December 1978); https://doi.org/10.1117/12.956640

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