Dielectric Mirrors
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MSE supplies offers customized Dielectric Mirrors with different materials, dimension, surface qualify, etc.
A dielectric mirror, also known as a Bragg mirror, is a type of mirror composed of multiple thin layers of dielectric material, typically deposited on a substrate of glass or some other optical material. By carefully choosing the type and thickness of the dielectric layers, one can design an optical coating with specified reflectivity at different wavelengths of light. Dielectric mirrors are also used to produce ultra-high reflectivity mirrors: values of 99.999% or better over a narrow range of wavelengths can be produced using special techniques. Alternatively, they can be made to reflect a broad spectrum of light, such as the entire visible range or the spectrum of the Ti-sapphire laser. Mirrors of this type are very common in optics experiments, due to improved techniques that allow inexpensive manufacture of high-quality mirrors. Examples of their applications include laser cavity end mirrors, hot and cold mirrors, thin-film beam splitters, high damage threshold mirrors, and the coatings on modern mirror shades.
MSE Supplies can offer a variant of optical elements, with different materials, size, surface quality and coating. Please contact us for customization or bulk orders.
Technical Data:
| Parameters | Value |
| Material |
|
| Size (mm) |
2-500 |
| Size Tolerance (mm) | +0/-0.01~+0/-0.1 |
| Thickness Tolerance (mm) | ±0.01~±0.1 |
| Irregularity (P-V) @ 632.8nm | λ/10~λ/2 |
| Surface Quality | 10/5~60/40 |
| Parallelism | <5”~3' |
| Clear Aperture (%) | >90 |
| Bevel | Protective bevel as needed |
| Coating | Dielectric coating |
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