T-DMLP1500 - Ø1" Longpass Dichroic Mirror, 1500 nm Cut-On
- Dichroic Filters Function as Longpass Filters with Minimal Absorption Losses
- Multi-Band Dichroic Filter with Two Transmission Bands and One Reflection Band
- Five Sizes Available: Ø1/2", Ø1", Ø2", 25 mm x 36 mm, or 35 mm x 52 mm
- Hard Coating Allows Easy Handling and Cleaning
- Resistant to Damage from UV Light and Chemicals
-
Cut-On Wavelength 1500 nm
- Transmission Band 1550 - 2000 nm
- Absolute Transmission >85%
- Average Transmission >90%
- Reflection Band 1000 - 1450 nm
- Absolute Reflectance >90%
- Average Reflectance >95%
- AR Coating Range 1550 - 2000 nm
Product Drawing
| 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 |
| Type |
Longpass |
| Cut-On Wavelength |
1500 nm |
| Transmission Band |
1550 - 2000 nm |
| Reflection Band |
1000 - 1450 nm |
| AR Coating Range |
1550 - 2000 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 |
| Substrate Material |
UV Fused Silica |
