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红外光学原料 - 锗
基本属性: |
锗单晶 |
含锗硫系玻琉GG-1 |
含锗硫系玻琉GG-2 |
含锗硫系玻琉GG-3 |
|---|---|---|---|---|
透射波段(μm) |
1.8-23 |
1-16 |
0.9-16 |
0.9-16 |
折射率均匀性 |
4.89×10-5(φ250mm) |
1.1×10-4(φ100mm) |
1.1×10-4(φ100mm) |
1.1×10-4(φ100mm) |
折射率(10µm) |
4.0032 |
2.6002 |
2.4976 |
2.4347 |
折射率温度系数(10-6/℃) |
408 |
80 |
72 |
|
吸收系数(10µm.cm-1) |
0.03 |
< 0.02 |
< 0.07 |
< 0.07 |
硬度(kg/cm2) |
800 |
150 |
170 |
236 virkers |
密度(g/cm3) |
5.323 |
4.67 |
4.40 |
4.36 |
断裂模量 (Mpa) |
75 |
18.2 |
18.2 |
|
扬氏模量(Gpa) |
103 |
21.8 |
22.1 |
18.6 |
泊松比 |
0.28 |
0.26 |
0.26 |
0.26 |
熔点(℃) |
937 |
|||
热导率(Wcm-1k-1) |
0.7 |
0.72 |
0.6 |
|
热膨胀系数(X10-6℃C-1) |
6.1 |
16 |
13 |
13.7 |
比热(Cal/g.k.) |
0.074 |
0.066 |
0.07 |
|
介电常数 |
16 |
|||
导电型号 |
N |
|||
电阻率(Ωcm) |
5-40 |
|||
最大直径(mm) |
300 |
150 |
150 |
150 |
波长 (µm)
| 指标
| 波长 (µm)
| 指标
| 波长 (µm)
| 指标
| 波长 (µm)
| 指标
|
|---|---|---|---|---|---|---|---|
2.2 |
4.0879 |
5.0 |
4.0160 |
7.8 |
4.0061 |
10.6 |
4.0028 |
2.4 |
4.0732 |
5.2 |
4.0149 |
8.0 |
4.0057 |
10.8 |
4.0026 |
2.6 |
4.0599 |
5.4 |
4.0139 |
8.2 |
4.0053 |
11.0 |
4.0025 |
2.8 |
4.0523 |
5.6 |
4.0128 |
8.4 |
4.0049 |
11.2 |
4.0024 |
3.0 |
4.0451 |
5.8 |
4.0118 |
8.6 |
4.0044 |
11.4 |
4.0023 |
3.2 |
4.0399 |
6.0 |
4.0107 |
8.8 |
4.0042 |
11.6 |
4.0023 |
3.4 |
4.0311 |
6.2 |
4.0097 |
9.0 |
4.0040 |
11.8 |
4.0022 |
3.6 |
4.0289 |
6.4 |
4.0092 |
9.2 |
4.0038 |
12.0 |
4.0021 |
3.8 |
4.0267 |
6.6 |
4.0087 |
9.4 |
4.0036 |
12.2 |
4.0020 |
4.0 |
4.0245 |
6.8 |
4.0083 |
9.6 |
4.0034 |
12.4 |
4.0020 |
4.2 |
4.0223 |
7.0 |
4.0079 |
9.8 |
4.0033 |
12.6 |
4.0019 |
4.4 |
4.0205 |
7.2 |
4.0074 |
10.0 |
4.0031 |
12.8 |
4.0019 |
4.6 |
4.0189 |
7.4 |
4.0070 |
10.2 |
4.0030 |
13.0 |
4.0018 |
4.8 |
4.0172 |
7.6 |
4.0066 |
10.4 |
4.0029 |
