T-XM14R8 - Ø8 mm Concave Supermirror on Ø1" UVFS Substrate, 300 000 Finesse, 1550 nm
T-XM14R8 - Ø8 mm Concave Supermirror on Ø1" UVFS Substrate, 300 000 Finesse, 1550 nm
- Plano or Concave (1 m Radius of Curvature) Supermirrors with 1550 nm Center Wavelength
- Finesse in a Two-Mirror System:
- 200 000 (Item #s: T-XM12P8 and T-XM12R8)
- 300 000 (Item #s: T-XM14P8 andT- XM14R8)
- Optical Absorption: <1 ppm Typical*
- Optical Scatter: <5 ppm Typical*
- Center Wavelength 1550 nm
- Mirror Shape Concave
- Finesse 300 000
- Crystalline Coating Reflectance >99.999% at 1550 nm
- Crystalline Coating Transmission >5 ppm at 1550 nm
- Substrate Material Corning 7980 0A UV Fused Silica
- Surface Roughness Crystalline Coating: <1.5 Å (RMS) Back Side <1 Å (RMS)
| Crystalline Coating Loss Angle | <4 x 10-5 at 300 K <5 x 10-6 at 10 K |
||||||||||||
| Damage Threshold | CW | 46.2 kW/cm (1064 nm, Ø5.5 mm) | |||||||||||
| Pulsed | 5 J/cm2 (1030 nm, 10 ns, 10 Hz, Ø0.240 mm) | ||||||||||||
| AR Coating Reflectance (Back Side) | <0.1% at Center Wavelength; 0° AOI over Central Ø5 mm | ||||||||||||