Page 231 - Modern Optical Engineering The Design of Optical Systems
P. 231

Figure 10.4 Characteristics of a selection of optical glasses. CR, FR, SR, and AR are codes indicating the resistance of the glass to staining or hazing is the thermal expansion coefficient, and Tg is the transformation due to environmental attack; t






                                                                       213
   226   227   228   229   230   231   232   233   234   235   236