Meller Optics’ optical-grade monocrystalline sapphire lenses are ideal for imaging and focusing, IR laser beamsteering and chemical and erosion-resistant applications. They feature diameter tolerances of +/- 0.25 mm and thickness tolerances of +/- 0.20 mm.
Available in positive and negative configurations, the lenses can be manufactured to custom diameter and focal length requirements, and can be provided with anti-reflection and other thin film coatings.
|Orientation||C-axis perpendicular to the faces|
|Diameter Tolerance||+/- 0.25 mm|
|Thickness Tolerance||+/- 0.20 mm|
|Focal Length Tolerance||+/- 5% at .6328µm|
|Clear Aperture||Central 80% of the diameter|
|Centering Error||3 arcmin maximum|
|Surface Quality||60-40 scratch-dig per MIL-O-13830A|