Lenses » Cylindrical Lenses

Cylindrical Lenses focus incoming light in one dimension only, such as in transforming a point image into a line image or changing the height of an image without changing its width or vice versa.

RMI Cylindrical Lenses are designed per customer wavelength.

Both sides can be coated with an RMI high efficiency narrowband, anti-reflective coating.

Round, square, and rectangular lenses are available in a wide range of size and shape specifications.

cylindrical-lenses

RMI Standard Specifications
Materials:	BK7, UVFS, FS, CaF₂,MgF₂, BaF₂, ZnSe, Ge, Si, Cleartran, Sapphire (Other glass and crystal types available upon request)
Surface Figure: BK7, UVFS, FS: CaF₂, MgF₂, BaF₂: ZnSe, Ge, Si, Cleartran: Sapphire:	Both Surfaces λ/4 at 633 nm λ/4 at 633 nm λ/40 at 10.6 µm λ/4 at 633 nm
Surface Quality: BK7, UVFS, FS: CaF₂, MgF₂, BaF₂: ZnSe, Ge, Si, Cleartran: Sapphire:	Both Surfaces 10-5 20-10 40-20 20-10
Diameter Tolerance:	+ 0.000", – 0.025"
Thickness Tolerance:	± 0.025"
Focal Length:	± 0.5%
Centration Error:	< 3 arc minutes
Bevels:	0.010" – 0.030" at 45º
Clear Aperture:	Central 85% of diameter

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Lenses » Cylindrical Lenses