T-UM15-45A - Ø1.5" Low-GDD Ultrafast Mirror, 700 nm - 930 nm, 45° AOI
T-UM15-45A - Ø1.5" Low-GDD Ultrafast Mirror, 700 nm - 930 nm, 45° AOI
- Low Group Delay Dispersion: |GDD| < 30 fs2
- Ideal for Pulses Shorter than 250 fs
- Reflectance Greater than 99%
- Designed for 0° or 45° Angle of Incidence (AOI)
- Sizes Available:
- For 0° AOI: Ø1/2" or Ø1"
- For 45° AOI: Ø1/2", Ø1", Ø1.5", or Ø2"
| Item # | T-UM15-45A |
|---|---|
| Design Wavelength Range | 700 - 930 nm |
| Diameter | 1.5" (38.1 mm) |
| Diameter Tolerance | +0.00 / -0.10 mm |
| Clear Aperture | >80% of Diameter |
| Thickness | 12.0 mm (0.47") |
| Thickness Tolerance | ±0.20 mm |
| Reflectance | Rs > 99% (700 - 930 nm) Rp > 99% (730 - 870 nm) |
| Angle of Incidence | 45° |
| Group Delay Dispersion | |GDDs| < 30 fs² (700 - 930 nm) |GDDp| < 30 fs² (730 - 870 nm) |
| Laser Induced Damage Threshold | 0.40 J/cm2 (800 nm, 52 fs FWHM, S-Pol, 1000 Pulses) |
| Substrate | Fused Silica |
| Front Surface Flatness | λ/4 |
| Front Surface Quality | 15-5 Scratch-Dig |
| Parallelism | ≤3 arcmin |
| Back Surface | Polished |