T-DMLP1800L - Ø2" Longpass Dichroic Mirror, 1800 nm Cut-On

Part No.: T-DMLP1800L

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 (T-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
Type	Longpass
Cut-On Wavelength	1800 nm
Transmission Band	1850 - 2100 nm
Reflection Band	1500 - 1750 nm
AR Coating Range	1800 - 2100 nm
Size	Ø2"
Clear Aperture	≥Ø45.72 mm
Thickness	5.0 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