Page 143 - Chalcogenide Glasses for Infrared Optics
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120 Cha pte r F i v e
FIGURE 5.1 Core drilling a glass cylinder from a plate.
produced at AMI are small and simple, planoconvex, with 1 in diameter.
Production rates as high as 2000 per month have been maintained
over long periods. The lenses produced are inexpensive, used mostly
for thermal sensing. Total production by AMI since 1984 is well over
250,000. The lenses can be used to form images but are not considered
good quality.
FIGURE 5.2 Sawing individual lens blanks with the ID saw from end-to-end
glass cores.
