Acta Optica Sinica, Volume. 3, Issue 8, 738(1983)
Temperature dependence of optical absorption edge in near infraree filter glasses
In this paper the change of optical absorption edge with temperature in three types of near infrared filter glasses is presented. It is proposed that the temperature coeffcient of optical absorption edge γ = dvg/dT characterizes this behaviour. The temperature coefficient γ of given three type glasses are measured first and are -2.5cm-1·℃-1 (HWB-4), -2.7cm-1·℃-1(HWB-80) and -3.9 cm-1·℃-1 (HWB-90) respectively. The physical conception of temperature coefficient γ is roughly discussed.
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ZHU YAJUAN, SHENG LIANGEN, CHEN XUEXIAN. Temperature dependence of optical absorption edge in near infraree filter glasses[J]. Acta Optica Sinica, 1983, 3(8): 738
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