 |
|
| WL (nm) |
n |
ti (t=10mm) |
| 170.0 |
1.615 |
0.63 |
| 194.2 |
1.55886 |
0.95 |
| 202.2 |
1.5471 |
0.96 |
| 213.9 |
1.53427 |
0.977 |
| 226.5 |
1.52293 |
0.985 |
| 237.8 |
1.51471 |
0.99 |
| 265.2 |
1.50002 |
0.993 |
| 312.6 |
1.48449 |
0.999 |
| 365.0 |
1.47453 |
0.999 |
| 404.7 |
1.46961 |
0.999 |
| 435.8 |
1.46669 |
0.999 |
| 480.0 |
1.4635 |
0.999 |
| 486.1 |
1.46312 |
0.999 |
| 546.1 |
1.46008 |
0.999 |
| 587.6 |
1.45846 |
0.999 |
| 589.3 |
1.4584 |
0.999 |
| 643.8 |
1.45671 |
0.999 |
| 656.3 |
1.45636 |
0.999 |
| 706.5 |
1.45515 |
0.999 |
| 852.1 |
1.45246 |
0.999 |
| 1014 |
1.45023 |
0.999 |
| 1083 |
1.4494 |
0.999 |
| 1385 |
1.445 |
0.88 |
- Plane and curved mirror substrates
- Windows and spherical lenses
- All with any type of coating (HR, PR, AR) for the wavelength range given in the table
- High quality polishing (rms-roughness about 2Å) available
- High transmission from UV to NIR
- Very good homogeneity
- Small thermal expansion coefficient
- Resistent against laser induced damage
- Homogeneity (dn):
- Standard: < 3 x 10-6
- On request: down to 0.5 x 10-6
- Max. bubble diameter: < 0.1 mm
- Max. cross section of bubbles in 100 cm³ of glass: < 0.03 mm²
- Max. cross section of inclusions in 100 cm³ of glass: < 0.03 mm²
- Density: 2.2 g/cm³
- Mohs hardness: 4.9...5.0
- Young modulus: 73 GPa
- Poisson ratio: 0.17
- Thermal linear expansion coefficient: 0...+200°C: 0.57 x 10-6 K-1 | -100...+200°C: 0.48 x 10-6 K-1
- Specific heat capacity: 772 J/(kg?K)
- Thermal conductivity: 1.38 W/(m?K)
- Melting point: 1900 °C
