Optical glass, optical element, optical instrument, and method for manufacturing optical glass
摘要:
An optical glass includes La3+, Zn2+, Nb5+, and Ti4+ as a cation configuring glass. La3+, Zn2+, Nb5+, and Ti4+ which satisfy 10 cat %≤La3+≤20 cat %, 10 cat %≤Zn2+≤60 cat %, 20 cat %≤Nb5+≤60 cat %, and 0 cat %≤Ti4+≤40 cat % expressed by cation %.
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