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| Coad | 669625 | Substrate | UVFS | |
| Type | Broadband Dielectric Coated Mirrors | Diameter(mm) | 25.40 | |
| Clear Aperture | 90% CA | Diameter Tolerance | +0.0/-0.1mm | |
| Parallelism | <3 arcmin | Thickness(mm) | 6.00 | |
| Quantity | 1 | Thickness Tolerance | ±0.25mm | |
| Surface Quality S1 | 20-10 | Wavelength(nm) | 1100 - 1650 | |
| Surface Quality S2 | - | AOI(°) | 45 | |
| Inclination Angle | - | Surface Flatness | λ/10@633nm | |
| Laser Damage Threshold | 0.50J/cm2@1550nm，190fs，100Hz，Ø11.47μm (100 Pulses) | Coating Type | Dielectric Coating | |
| Coating Specifications | Ravg>99%@1100-1650nm,AOI=45° | |||
Mirrors are used to change the direction of the light beam. LBTEK’s fused silica broadband dielectric mirrors have a reflectance greater than 99% within the working wavelength range. To meet various customer size requirements, LBTEK offers UV fused silica dielectric mirrors in a variety of shapes, including circular, elliptical, square, and D-shaped.
LBTEK broadband dielectric D-shaped reflectors come with various coating types, with the coating layers covering the entire reflective surface. The coating wavelengths cover ranges from 400 nm–750 nm, 750 nm–1100 nm, and 1100 nm–1650 nm. These reflectors are suitable for selecting one beam from two beams with a small angular separation. Additionally, the back of the straight edge of the mirror has a wedge-shaped bevel with a 45° angle, facilitating beam splitting for diverging or converging beams.
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