大佬們，塑料鏡片的熱膨脹系數(shù)alpha和dn/dt(折射率隨溫度的變化)如何獲取呢？ i!=28|_  
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圖片:下載 (122441).png

這里可找到CDGM材料的。
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圖片:下54221211載.png

在CV選材料目錄再選材料詳細列表得：    18-Feb-24 >EMgP1  
    HQK3L         - 487704            CDGM             Changed 11/01/21     Index Changed 11/01/21 c=2e?  
AVAILABILITY - Highest frequency melt                  Nd = 1.48749     Vd =  70.4     NF - NC =  0.00692 e^@/Bm+B  
Replacement None              Manufacture 07/09/07     Ne = 1.48914     Ve =  70.3     NF'- NC'=  0.00696 7[-jr;v  
This glass was measured at room temperature a{h(BI^~  
。。。。。 `~(C\+gUp  
n F'         480.0    1.49265        a -30/70 [E-6/K]      9.2         650.0     0.999    0.998    0.995 &F}1\6{fL  
n g          435.8    1.49593        a 100/300 [E-6/K]    10.2         600.0     0.998    0.997    0.993 Yi[dS`,d  
。。。。。。 ;f-|rC_"  
                                                   Temperature Coefficients of Refractive Index %6<
Pt  
                                                                       dn/dt absolute [E-6/K] lq@Vb{Z  
                                                                   t      C'       e      F'       g ]tZ5XS  
                                                   +20/+40      -3.5    -3.3    -3.1    -3.0    -2.8 HHZ!mYr  
   NA - data is currently not stored in CODE V Glass catalog

謝謝大佬

xzkkm:這里可找到CDGM材料的。 {hg$?4IyQ  
[圖片] (2024-02-18 16:31)  Wq9s[)F"Z  

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