TFA-E25.4 Elliptical Mirror with Aluminum Coating
Protected aluminum mirrors are a good choice for many general broadband applications. A silicon dioxide protective layer protects the delicate aluminum coating for laboratory and industrial use. An elliptical mirror uses two focal points to eliminate the need for multiple focusing elements within an assembly. Its elongated major axis makes it suitable for bending and folding light with high angular precision and low wavelength distortion.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Material | K9 Optical glass |
| Coating | Aluminum Coating on One Side |
| Applicable wavelength | 300-1200nm |
| Angle of incidence | 45° |
| Dimensional error | +0.0/0.2mm |
| Thickness tolerance | ±0.5mm |
| Surface Figure [@633nm] | λ/10@633nm |
| Surface Quality | 10-5 |
| Substrate Surface Figure Accuracy | λ/2 |
| Laser Damage threshold [Pulse Width 10ns, Repetition Rate 20Hz] | 0.25J/cm² (Pulse Width 10ns, Repetition Rate 20Hz) |
| Rear surface | Fine Grinding |
| Protective Edge Chamfer | 0.2-0.5mm*45° |
| Minor axis | 25.4mm |
| Major axis | 35.6mm |
| Thickness | 5mm |
Datasheet
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