T-DMLP1800 - Ø1" Longpass Dichroic Mirror, 1800 nm Cut-On
Product Drawing
| Damage Threshold Specifications |
Coating Designation
(Item # Prefix) |
Damage Threshold |
| DMLP1800 |
5.00 J/cm2 (2050 nm, 62.5 Hz, 10 ns, Ø348 µm) |
| General Specifications |
| Size |
Ø1/2" |
Ø1" |
Ø2" |
25.0 mm x 36.0 mm |
35.0 mm x 52.0 mm |
| Clear Aperture |
≥Ø11.43 mm |
≥Ø22.86 mm |
≥Ø45.72 mm |
≥22.5 mm x 32.4 mm |
≥85%, Elliptical |
| Thickness |
3.2 mm |
3.2 mm |
5.0 mm |
1.0 mm |
2.0 mm (DMLP730B Only) or 3.0 mm |
| Incident Angle |
45° |
| Surface Quality |
40-20 Scratch-Dig |
| Transmitted Wavefront Error |
<λ/4 @ 633 nm Over Clear Aperture |
≤λ/4 @ 632.8 nm Over Clear Aperture |
| Specifications |
| Cut-On Wavelength |
1800 nm |
| Transmission Band (Tabs > 85%, Tavg > 90%) |
1850 - 2100 nm |
| Reflection Band (Rabs > 90%, Ravg > 95%) |
1500 - 1750 nm |
| Type |
Longpass |
| Cut-On Wavelength |
1800 nm |
| Transmission Band |
1850 - 2100 nm |
| Reflection Band |
1500 - 1750 nm |
| AR Coating Range |
1800 - 2100 nm |
| Size |
Ø1" |
| Clear Aperture |
≥Ø22.86 mm |
| Thickness |
3.2 mm |
| Incident Angle |
45° |
| Surface Quality |
40-20 Scratch-Dig |
| Transmitted Wavefront Error |
λ/4 @ 633 nm Over Clear Aperture |
| Damage Threshold |
5.00 J/cm2 (2050 nm, 62.5 Hz, 10 ns, Ø348 µm) |
| Substrate Material |
UV Fused Silica |
