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
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
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° |