Description
D-shaped mirror is always used to separate closely spaced light beams. The high reflective coating extends to the straight edge of the mirror within 0.05mm, and a portion of the substrate behind the straight edge is removed, these make D-shaped mirror is ideal for picking off one of two closely spaced light beams, and not affect the beam which is not picked off.
Separate Closely Spaced Light Beams
High Reflectivity, AOI 0-45deg
Metallic and Broadband Dielectric Coatings Available
Coating Extends To Straight Edge Within 0.05mm
RoHS Compliant
D-Shaped Mirror
Specifications
| Substrate Material: | BK7, Fused Silica, Custom |
|---|---|
| Wavelength Range: | 400 – 12000 nm |
| Angle Of Incidence (AOI): | 0 deg |
| Flatness (Coated Surface): | lambda/10 |
| Surface Quality: | 60-40 scratch-dig |
| Reflectivity (Rs, Rp): | 90 % |
| Diameter: | 25.4 mm |
| Thickness: | 6.35 mm |
Download Data Sheet
Features
Dimension Tolerance +0.0/-0.2mm
Thickness Tolerance ±0.2mm
Clear Aperture >90%
Flatness <λ/10@632.8nm
Parallelism <3 arc minutes
Surface Quality 60/40 scratch and dig
Coating High reflective coating on one surface, rear surface ground or inspection polished
Protected Aluminum: Ravg>87%@400-1200nm, 0-45deg
Protected Silver: Ravg>95%@400-12000nm, 0-45deg
Protected Gold: Ravg>98%@2000-12000nm, 0-45deg
Dielectric: Ravg>99%@450-700nm, 0-45deg
Dielectric: Ravg>99%@750-1100nm, 0-45deg
Damage Threshold >1J/cm2, 20ns, 20Hz, @1064nm
Frequently Asked Questions
What type of coatings are available for the D-shaped mirror?
What is the damage threshold of the D-shaped mirror?
What is a D-shaped mirror used for?
What is the dimension tolerance of the D-shaped mirror?
Is the D-shaped mirror RoHS compliant?
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