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- W2579133781 abstract "It is essential to minimize the pointing and focusing errors at the focal plane for many applications involving infrared laser systems. In the case of the LASL CO2 laser fusion systems, with two beams in the Gemini System and eight beams in the Helios System, this is particularly important. The LASL Helios CO2 Laser Fusion System has eight 34-cm diameter beams emerging from the power amplifier and each beam is brought to focus by an off-aperture parabola (nearly 77.3-cm focal length) resulting in a nearly F/2.4 beam at the focal plane. The design tolerance at the focal plane for pointing accuracy is ± 25 microns and for focusing accuracy is ± 50 microns for this system. This paper describes an alignment scheme based on the use of the infrared Smartt interferometer' and compares the results obtained using this technique and the autocollimating Hartmann scheme2 in a laboratory setup duplicating the target chamber region of one of the beams of the Helios System. The results using the Smartt interferometer show that pointing accuracy of ± 12.5 microns and focusing accuracies of ± 15 microns are obtained at the focal plane of the system." @default.
- W2579133781 created "2017-01-26" @default.
- W2579133781 creator A5001959002 @default.
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- W2579133781 date "1980-11-13" @default.
- W2579133781 modified "2023-09-23" @default.
- W2579133781 title "<title>Infrared Smartt Interferometer As An Alignment Tool For Carbon Dioxide Laser Fusion Systems</title>" @default.
- W2579133781 doi "https://doi.org/10.1117/12.957749" @default.
- W2579133781 hasPublicationYear "1980" @default.
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