T-XM23P8 - Ø8 mm Plano Supermirror on Ø1" UVFS Substrate, 300 000 Finesse, 1397 nm
T-XM23P8 - Ø8 mm Plano Supermirror on Ø1" UVFS Substrate, 300 000 Finesse, 1397 nm
- Plano or Concave (1 m Radius of Curvature) Supermirrors with 1397 nm Center Wavelength
- Finesse in a Two-Mirror System: 300 000
- Optimal for Frequency Doubling 1397 nm to the Strontium Clock Transition at 698 nm
- Optical Absorption: <1 ppm Typical
- Optical Scatter: <5 ppm Typical
- Center Wavelength 1397 nm
- Mirror Shape Plano
- Finesse 300 000
- Crystalline Coating Reflectance >99.999% at 1397 nm
- Crystalline Coating Transmission >3.5 ppm at 1397 nm
- Substrate Material Corning 7979 0A IR 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 | ||||||||||||
Applications
- High-Finesse Laser Cavities
- Low-Noise Precision Interferometry
- High-Power Laser Systems
- Ultrastable Lasers for Atomic Clocks
- Mirrors for Gravitational Wave Detection