Transmissive ZnSe diffractive optical elements for high power CO2 material processing applications

P. Blair, D. R. Jones, F. Villareal, A. J. Waddie, N. Ross, M. R T Taghizadeh, H. J. Baker, D. R. Hall, G. Shannon, E. Johnston, W. Steen

Research output: Chapter in Book/Report/Conference proceedingConference contribution

1 Citation (Scopus)

Abstract

Two transmissive ZnSe reformatting elements were designed and fabricated with the objective of examining the performance of transmissive Diffractive Optical Elements (DOEs) at power levels and power densities greater than 1 kW and 1 kWcm-2. Initial results show that the diffraction efficiency of the elements after fabrication is within 5% of the theoretical value, while absorption levels of less than 0.5% for the structured AR coated surface were achieved. The DOEs perform reliably with only forced air cooling at incident laser power levels and power densities of 3.2 kW and 1.8 kWcm-2 with an upper power limit yet to be determined.

Original languageEnglish
Title of host publicationProceedings of the 1998 International Symposium on Information Theory
Pages318
Publication statusPublished - 1998
Event1998 International Symposium on Information Theory - Glasgow, Scotland, United Kingdom
Duration: 14 Sep 199818 Sep 1998

Conference

Conference1998 International Symposium on Information Theory
Abbreviated titleCLEO/EUROPE'98
CountryUnited Kingdom
CityGlasgow, Scotland
Period14/09/9818/09/98

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    Blair, P., Jones, D. R., Villareal, F., Waddie, A. J., Ross, N., Taghizadeh, M. R. T., Baker, H. J., Hall, D. R., Shannon, G., Johnston, E., & Steen, W. (1998). Transmissive ZnSe diffractive optical elements for high power CO2 material processing applications. In Proceedings of the 1998 International Symposium on Information Theory (pp. 318)