CsI(碘化銫)是zui為熟知的紅外透射材料,能應用于zui寬范圍分光光度計的組分。 CsI一種非常軟的材料,極難拋光,因此其性能受到限制。 通過鉈(Tl)摻雜,CsI(Tl)是一種有用的閃爍體,其發射波長與硅光電二極管很好地匹配。 銫碘化物陣列應用于安全成像系統中。
透射范圍: |
0.2555μm(1) |
折射率: |
1.73916(10μm)(1)(2) |
反射損耗: |
13.6% at 10μm |
吸收系數: |
n / a |
吸收峰: |
145.8μm |
dn / dT: |
-99.3×10-6 /℃(2) |
dn /dμ= 0: |
6μm |
密度: |
4.51g / cc |
熔點: |
621℃ |
導熱率: |
1.1 W m-1 K-1 at 298 K(3) |
熱膨脹: |
48.3×10-6 /℃ at 293K(3) |
硬度: |
Knoop 20 |
介電常數: |
5.65
at 1MHz |
楊氏模量(E): |
5.3GPa |
剪切模量(G): |
6.24GPa |
體積模量(K): |
12.67GPa |
彈性系數: |
C11 = 24.6 C126.7 C44 = 6.24 |
表觀彈性極限: |
5.6 MPa(810psi) |
泊松比: |
0.214 |
溶解度: |
44g / 100g water at 0℃ |
分子量: |
259.83 |
類/結構: |
立方CsCl,Pm3m,無裂解,變形 |
光譜透射曲線:
折射率:(No = Ordinary Ray)
um |
No |
um |
No |
um |
No |
0.5 |
1.8064 |
1.0 |
1.7572 |
2.0 |
1.7466 |
3.0 |
1.7440 |
4.0 |
1.7431 |
5.0 |
1.7424 |
6.0 |
1.7418 |
7.0 |
1.7412 |
8.0 |
1.7406 |
9.0 |
1.7399 |
10.0 |
1.7392 |
11.0 |
1.7384 |
12.0 |
1.7375 |
13.0 |
1.7365 |
14.0 |
1.7355 |
15.0 |
1.7344 |
16.0 |
1.7332 |
17.0 |
1.7319 |
18.0 |
1.7306 |
19.0 |
1.7291 |
20.0 |
1.7276 |
21.0 |
1.7260 |
22.0 |
1.7244 |
23.0 |
1.7226 |
24.0 |
1.7207 |
25.0 |
1.7188 |
26.0 |
1.7168 |
27.0 |
1.7147 |
28.0 |
1.7125 |
29.0 |
1.7101 |
30.0 |
1.7077 |
31.0 |
1.7052 |
32.0 |
1.7027 |
33.0 |
1.7000 |
34.0 |
1.6972 |
35.0 |
1.6943 |
36.0 |
1.6913 |
37.0 |
1.6882 |
38.0 |
1.6849 |
39.0 |
1.6816 |
40.0 |
1.6781 |
41.0 |
1.6746 |
42.0 |
1.6709 |
43.0 |
1.6671 |
44.0 |
1.6631 |
45.0 |
1.6591 |
46.0 |
1.6549 |
47.0 |
1.6505 |
48.0 |
1.6460 |
49.0 |
1.6414 |
50.0 |
1.6366 |
CsI圓形窗片:
IR Polished Caesium Iodide (CsI) optical window 25mm O x 2mm