Laser beam expanders with plastic and liquid lens elements
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United States of America Patent
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Dec 13, 1994
Grant Date -
N/A
app pub date -
Feb 1, 1993
filing date -
Feb 1, 1993
priority date (Note) -
Expired
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Abstract
Design forms are disclosed for 5X and 10X laser beam expanders whose lens elements consist only of plastic and liquid optical materials, which provide diffraction-limited performance without refocussing over a wavelength range from 0.4 micron to 0.8 micron.
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