Concave Super Mirror, High Finesse, Ultra-Low Loss, 25.4 mm, 761-867 nm
Model: 10CV00SR.40F
Product Series Overview
High Performance Concave SuperMirrorsThe 10CV00SR.40F is a 25.4 mm diameter, 500 mm EFL, 6.35 mm thickness concave High Finesse SuperMirror, optimized for 761 - 867 nm. SuperMirrors™ take advantage of our advanced super polishing and ion-beam coating technology to provide the highest reflectivity and lowest losses of any commercially available mirrors over the spectral range of 583-1659 nm. When used in etalons or optical cavities, these mirrors typically provide finesse levels in excess of 30,000; approximately 30 times better than mirrors manufactured by standard techniques.
Absolute R>99.97% Mirrors In Stock
Many standard mirrors are offered with high average reflectivity, but these Supermirrors have exceptional absolute reflectivity specifications of greater than 99.97%. We stock theses mirrors making them the highest absolute reflectivity available in a standard catalog optic. These mirrors are ideal when you need every photon. The high finesse coatings have finesse greater than 10,000 and efficiency greater than 10% when used in carefully constructed cavities.
Superpolished Substrates
This mirror is superpolised to <2 Å RMS microroughness for ultra-low scatterring. 10-5 scratch-dig is achieved in the center 50% of the clear aperture. This central area is the sweet spot where Fabry pert cavity designs can achieve extremely high finesse.
Advanced Ion Beam Sputtered (ISB) Coatings
Newport's proprietary IBS coating technique enables the SuperMirrors to provide the highest absolute reflectivity available as standard mirrors. IBS is a higher energy coating process in which atoms of the coating material can be packed more tightly. The results are very high reflectivity, resistance to environmental changes, and unmatched performance for intra-cavity mirrors which require high finesse.
Specifications
- Wavelength Range761-867 nm
- Mirror ShapeConcave
- Diameter25.4 mm
- Effective Focal Length (EFL)500 mm
- Radius of Curvature (R)-1000 mm
- MaterialUV Grade Fused Silica
- Coating TypeBroadband high finesse
- Coating CodeFront: SR.40F
Back: AR.16 - ReflectivitySR.40F: R>99.97% @ 761-867 nm
AR.16: Ravg<0.5%, Rmax<1.5% @ 650-1000 nm - Surface Quality20-10 scratch-dig (0-0 in the center)
- Surface Flatnessλ/10 at 632.8 nm
- Back Surface≤λ/10 at 632.8 nm over central 80% clear aperture
- Edge Thickness (T<sub>e</sub>)6.35 mm
- Thickness Tolerance±0.13 mm
- Diameter Tolerance+0/-0.1 mm
- Chamfers0.50 mm
- Chamfers Angle Tolerance45° ±15°
- Cleaning
Resources & Downloads
Other
10CV00SR.40F RoHS Certificate(267 kB, PDF) 10CV00SR.40F_ROHS2-2021.pdf(280.4 kB, PDF)
2D Product Drawings
10CV Mirror Drawing(109 kB, PDF)
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