Fused Silica Optics Co.,LTD
Fused Silica Optics Co.,Ltd
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Custom Fused Silica Optical Laser Line Dielectric Mirrors with High Reflective (HR) Coatings
Several kinds of coatings are available The broad bandwidth mirrors are enhanced aluminium coated under a layer of. Sio2 protective film. The reflectance peaks at about 95% and the wavelength range from visible to FIR(0.35-12μm).Furthermore the metallic coating is not angle-sensitive. The laser line mirrors are multilayer dielectric coated, optimized for the preferred wavelength and incident angle. The central wavelength, incident angle and coating requirements should be specified at placing an order. These mirrors can be ordered with or without mountings.
High-reflection (HR) Dielectric Mirror refer to coating layers of dielectric films on optical substrates, and are designed to achieve the highest possible reflectance, usually at specific wavelengths. Although engineered for best performance at normal (0) or 45 degrees angles-of-incidence, these coatings can be tailored for most any angle. Specially Dielectric HR Mirrors are suitable for the application of laser resonator cavity and return of light path.
Features:High Reflectivity,Narrow Band and Broadband Wavelength are Available,Easy to Mount/Align and Operation.
Applications:Beam Expanders, Projection Systems, Optical Viewers, Sensors, Optical Character Readers.
Specifications
| Substrate | UV grade fused silica, BK7 |
| S1 Surface Figure | λ/10 typical at 633nm |
| S1 Surface Quality | 20/10 laser quality |
| S2 Surface Quality | Commercial polish |
| Chamfer | 0.25mm at 45° typical |
| Coating Technology | Electron beam evaporation, dielectric multilayers |
| Incident Angle | 0° or 45° |
| Clear Aperture | > 85% of diameter |
| Laser-Induced Damage Threshold | >3J/cm2 (1.06μm, 1ns) |