Off-Axis Parabolic (OAP) Mirrors are first-surface mirrors whose reflective surfaces are equivalent to segments of a parent parabolic mirror. They achromatically focus a collimated beam or collimate a broadband point source, and their off-axis design spatially separates the focal point from the rest of the beam path. The all-reflective design eliminates phase delays and absorption losses introduced by transmissive optics and makes them well suited for use with femtosecond pulsed lasers. They are available with coatings below: UV-enhanced aluminum, protected aluminum, protected silver and gold.
Specification
Material: | Zerodur |
Diameter: | +0/-0.1mm |
Clear aperture: | >90% of diameter |
Focal length: | +/-1% |
Surface roughness: | <100 Angstroms RMS |
Surface accuracy: | λ/63.3 RMS over C.A. |
Surface quality: | 40-20 scratch and dig |
Coating: | Al + SiO |
Bevel: | 0.5mm x 45° |
* Other materials such as Al or copper is available upon request; Specifications are subject to the size and material used.
Off-Axis Parabolic (OAP) Mirrors are first-surface mirrors whose reflective surfaces are equivalent to segments of a parent parabolic mirror. They achromatically focus a collimated beam or collimate a broadband point source, and their off-axis design spatially separates the focal point from the rest of the beam path. The all-reflective design eliminates phase delays and absorption losses introduced by transmissive optics and makes them well suited for use with femtosecond pulsed lasers. They are available with coatings below: UV-enhanced aluminum, protected aluminum, protected silver and gold.
Specification
Material: | Zerodur |
Diameter: | +0/-0.1mm |
Clear aperture: | >90% of diameter |
Focal length: | +/-1% |
Surface roughness: | <100 Angstroms RMS |
Surface accuracy: | λ/63.3 RMS over C.A. |
Surface quality: | 40-20 scratch and dig |
Coating: | Al + SiO |
Bevel: | 0.5mm x 45° |
* Other materials such as Al or copper is available upon request; Specifications are subject to the size and material used.
