Dielectric Mirrors
Dielectric Mirrors are coated with layers of dielectric High reflectivity coating, their reflectivity are higher than metal mirrors. Dielectric Mirrors can be used in laser resonator cavity.
| Specifications | General Precision | High Precision | |
|---|---|---|---|
| Material | BK7, Fused Silica or others |  |
|
| Dimension Tolerance | +/-0.2mm | +/-0.05mm | |
| Clear Aperture | >85% | >90% | |
| Flatness | λ/4@632.8nm | λ/8@632.8nm | |
| Surface Quality | 60-40 | 20-10 | |
| Parallelism | 3 arc min | 3 arc sec | |
| Bevel | 0.25mm x 45° | ||
| Coating | HR @ design wavelength just on one surface, fine ground on the other surface, with AOI=0° or 45° | ||
Note: Any sizes and material are available upon request.
