Features
- High transmission for the visible wavelength range
- Highly reflective for infrared
- Removes heat from the system
- Uses Borofloat® type glass
- Dielectric coating
- Angle of incidence 0° or 45°
- Custom mirrors available for your configuration
Hot mirrors are used to separate visible light from heat. The use of borosilicate type glass enables operation at high temperatures. They should preferably be operated at an AOI of 0°. The most common wavelength range for an average transmission of 85% through the hot mirror is 420 nm – 700 nm. The reflection range for the hot mirror for R > 95% is 800 nm – 1000 nm.
Hot mirrors | |
Material | Borosilicate glass |
Size | 15 mm to 300 mm |
Thickness | 3.3 mm |
Dielectric mirror coating | |
Transmission (typical) | > 85 % between 425 nm – 700 nm |
Reflection (typical) | > 90% between 750 nm – 1050 nm |
Surface quality | 80/50 scratch/dig |
Flatness | λ/2 @ 633 nm per inch |
Protective chamfer | 0.3 mm x 45° |