T-UM05-45U - Ø1/2" Low GDD Ultrafast Mirror, 355 - 445 nm, 45° AOI
- Designed for Frequency-Doubled Ultrafast Ti:Sapphire Laser Pulses
- Ideal for Laser Pulses Shorter than 250 fs
- Reflectance Greater than 99%
- Low Group Delay Dispersion: |GDD| < 30 fs2
- Available in Ø1/2" and Ø1" Sizes
- For Use at a 45° Incident Angle
| Item # |
T-UM05-45U |
| Design Wavelength Range |
355 - 445 nm |
| Diameter |
1/2" (12.7 mm) |
| Diameter Tolerance |
+0.00 mm / -0.10 mm |
| Thickness |
6.4 mm (0.25") |
| Thickness Tolerance |
±0.20 mm |
| Clear Aperture |
>80% of Diameter |
| Reflectance |
Rs > 99% (355 - 445 nm) Rp > 99% (370 - 425 nm) |
| Angle of Incidence |
45° |
| Group Delay Dispersion |
|GDDs| < 30 fs² (355 - 445 nm) |GDDp| < 30 fs² (370 - 425 nm) |
Laser Induced Damage Thresholda
|
0.081 J/cm2 (400 nm, 55 fs FWHM, S-Pol, 1 Pulse) 0.062 J/cm2 (400 nm, 55 fs FWHM, S-Pol, 10000 Pulses) |
| Substrate |
Fused Silica |
| Front Surface Flatness |
λ/10 at 632.8 nm Over Clear Aperture |
| Front Surface Quality |
15-5 Scratch-Dig |
| Parallelism |
≤3 arcmin |
| Back Surface |
Polished |