PRODUCTS
Optoelectronics and Components
Optical Components from Tower Optical
Do you have special requirements or would like individual consultation? Please contact our engineers at:
Sales
Phone: +49 89 321412-43
sales[at]imm-photonics.de
Circular, Square, Rectangular Mirrors
All of the following mirrors have a protected Aluminum coating applied to the front surface.
| Specifications | Standard Grade | High Grade |
|---|---|---|
| Material | BK7 grade A | BK7 grade A or Fused Silica |
| Diameter | 10 mm to 50 mm | 10 mm to 50 mm |
| Dimensional tolerance | + 0.0 mm / - 0.1 mm | + 0.0 mm / - 0.1 mm |
| Flatness | λ/5 @ 632.8 nm | λ/10 @ 632.8 nm |
| Surface quality | 40/20 scratch/dig | 10/5 scratch/dig |
| Thickness tolerance | 0.2 mm | 0.2 mm |
| Parallelism | < 3 arc min | < 3 arc min |
Hot and Cold Mirrors
Features of Hot Mirrors:
- High transmission for the visible range
- High reflection for infrared
- Removes heat
- Uses Borofloat® type glass
- Dielectric Coating
- AOI´s of 0° or 45°
- Custom mirrors to your configuration
Features of Cold Mirrors:
- High reflection for the visible range
- High transmission for infrared
| Specifications | Hot Mirrors | Cold Mirrors |
|---|---|---|
| Material | Borosilicate type glass | Borosilicate type glass |
| Size | 15 mm to 300 mm | 15 mm to 300 mm |
| Thickness | 3.3 mm | 3.3 mm |
| Mirror coating | Dielectric multilayer | Dielectric multilayer |
| Transmission | Transmission average > 85 % for 425 nm to 700 nm | Transmission average > 85 % for 425 nm to 1000 nm |
| Reflection | Reflection average > 90 % for 750 nm to 1050 nm | Reflection average > 90 % for 400 nm to 700 nm |
| Surface finish | 80/50 scratch/dig | 80/50 scratch/dig |
| Flatness | λ/2 @ 633 nm per inch | λ/2 @ 633 nm per inch |
| Protective bevel | 0.3 mm x 45° | 0.3 mm x 45° |