Posted in | Laser

Aspheric Optics for the Far Infrared Range

For most situations, spherical optics are used to focus laser beams.  For applications requiring a very short focal length, spherical aberrations can become an issue.

Aspheric lenses with at least one free-form surface produced using CNC polishing techniques can greatly reduce this effect. Ideally, aspherical lenses replace a system of several spherical lenses, thereby reducing weight and losses through surface scattering.  

LASER COMPONENTS offers aspheric lenses for use in the FIR range in the following materials:  ZnSe, Ge, Si, CaF2, Cu and Al.  For a substrate with diameter 150mm a shape deviation of ½ fringe and a surface roughness is < 30 Å RMS can be achieved.

The aspheres can be coated according to customer request for all wavelengths from 2µm to 16µm.

Trade Show            

SPIE Security + Defence, September 27 - 28, 2016, Edinburgh International Conference Centre, Booth 501

Photonex, October 12 - 13, 2016, Ricoh Arena, Coventry, Booth D15

About LASER COMPONENTS

LASER COMPONENTS specialises in the development, manufacture, and sale of components and services in the laser and optoelectronics industry.  At LASER COMPONENTS, we have been serving customers since 1982 with sales branches in five different countries.  We have been producing in house since 1986 with production facilities in Germany, Canada, and the United States.  In-house production makes up approximately half of our sales revenue.  A family-run busi­ness, we have more than 170 employees worldwide

More Information

http://www.lasercomponents.com/uk/optics/laser-optics/ir-laser-optics/

www.lasercomponents.co.uk

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