Transmission Wavelength
1000nm—10000nm 30000nm—300000nm
Absorptivity ,dn/dT (1/k)
1.6*10-4
Thermo-optical coeffecient (1/cm)
1.6*10-3 @3000.nm
Wavelength(nm)
Refractive index(n)
1357
3.4975
4000
3.4257
1367.3
3.4926
4258
3.4245
1395.1
3.4929
4500
3.4236
1529.5
3.4795
5000
3.4223
1660.6
3.4696
5500
3.4213
1709.2
3.4664
6000
3.4202
1813.2
3.4608
6500
3.4195
1970.2
3.4537
7000
3.4189
2152.6
3.4476
7500
3.4186
2325.4
3.443
8000
3.4184
2714.4
3.4358
8500
3.4182
3000
3.432
10000
3.4179
3303.3
3.4297
10500
3.4178
3500
3.4284
11040
3.4176
Manufacture Specifications
Diameter
3mm to 280mm
Diameter Tol.
+/-0.1
Surface Quality
40-20 standard
40/20
Flatness
1/4 lambda
Chamfer
0.25mmx45degree
Focal Length Tol.
+/-1%
Coating
Customer design
Site technical support: with the letter network. Changchun website construction