T-UM10-YDM - Ø1" Low-GDD Ultrafast Pump-Through Mirror for Yb Lasers, 10° AOI
Product Drawing
- Low Group Delay Dispersion: |GDD| < 200 fs2
- Dichroic Coating Designed for Ytterbium (Yb) Lasers
- Reflectance >99.5% in Reflectance Band (1030 - 1080 nm)
- Reflectance <5% in Transmission Band (940 - 980 nm)
- Back Surface Antireflection Coating Stress Compensates for Front Dichroic Coating, Enhancing Flatness
- Ø1/2" or Ø1" Mirrors Available
| Damage Threshold Specifications |
| Item # |
Damage Threshold |
| T-UM10-YDM |
0.15 J/cm2 (1030 nm, 500 fs FWHM, S-Pol, 105 Pulses) |
| Item # |
T-UM05-YDM |
T-UM10-YDM |
|
Design Wavelength Range
|
Reflection Band |
1030 nm - 1080 nm |
| Transmission Band |
940 nm - 980 nm |
| Diameter |
12.7 mm (0.50") |
25.4 mm (1.00") |
| Diameter Tolerance |
+0.00 / -0.10 mm |
| Thickness |
6.4 mm (0.25") |
9.5 mm (0.37") |
| Thickness Tolerance |
±0.10 mm |
±0.20 mm |
| Parallelism |
≤5 arcmin |
≤3 arcmin |
| Clear Aperture |
>80% of Diameter |
| Laser Induced Damage Thresholda |
0.15 J/cm2 (1030 nm, 500 fs FWHM, S-Pol, 105 Pulses) |
| Substrate |
Fused Silica |
| Front Surface |
| Flatnessb |
<λ/4 |
<λ/10 |
| Quality |
20-10 Scratch-Dig |
| Reflectance |
Reflection Band |
>99.5% (S- and P-Polarization) |
| Transmission Band |
<5% (S- and P-Polarization) |
| Angle of Incidence |
Reflection Band |
10° |
| Transmission Band |
4 - 16° |
| Group Delay Dispersion (Reflection Band) |
|GDD| < 200 fs2
|
| Back Surface |
| AR Coating Range |
940 - 1080 nm |
| Reflectance |
<1% (S- and P-Polarization) |
| Angle of Incidence |
4 - 16° |
