T-XM15P8 - Ø8 mm Plano Supermirror on Ø1" UVFS Substrate, 200 000 Finesse, 1064 nm
T-XM15P8 - Ø8 mm Plano Supermirror on Ø1" UVFS Substrate, 200 000 Finesse, 1064 nm
Features
- Ø8 mm Single-Crystal GaAs/AlGaAs Optical Coating
- Extremely High Reflectance at Center Wavelength
- R > 99.9969% or R > 99.9984% for 1064 nm
- R > 99.999% for 1156 nm
- R > 99.999% for 1397 nm
- R > 99.9984% or R > 99.999% for 1550 nm
- Ø5 mm AR Coating on Back
- Ø1", 6.35 mm Thick Fused Silica Substrate
- Ready for Optical Contacting to Spacers or Compensation Rings
- Low Optical Absorption and Scatter
- Low Thermal Resistivity
- Plano and Concave (1 m Radius of Curvature) Options
- Thermo-Optic Noise Optimized Coating Available for 1064 nm
- Center Wavelength 1064 nm
- Mirror Shape Plano
- Finesse 200 000
- Crystalline Coating Reflectance >99.9984% at 1064 nm
- Crystalline Coating Transmission >3.5 ppm at 1064 nm
- 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)
- Damage Threshold 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
- Substrate Material Corning 7980 0A UV Fused Silica
- Surface Roughness Crystalline Coating: <1.5 Å (RMS) Back Side: <1 Å (RMS)
Applications
- High-Finesse Laser Cavities
- Low-Noise Precision Interferometry
- High-Power Laser Systems
- Ultrastable Lasers for Atomic Clocks
- Mirrors for Gravitational Wave Detection
- Plano or Concave (1 m Radius of Curvature) Supermirrors with 1064 nm Center Wavelength
- Finesse in a Two-Mirror System:
- 100 000 (Item #s: T-XM11P8 and T-XM11R8)
- 200 000 (Item #s: T-XM15P8 and T-XM15R8)
- Optical Absorption: <1 ppm Typical
- Optical Scatter: <5 ppm Typical
- T-XM15x8 Mirrors have Coatings Designed for Low Thermo-Optic (TO) Noise