However unlike a centered parabolic mirror an oap mirror has an advantage in that it allows more interactive space around the focal point without disrupting the beam as shown in.
Off axis parabolic mirror manufacturers.
Thorlabs off axis parabolic mirrors are available with one of four coatings.
The top countries of suppliers are india china and india from which the percentage of parabolic mirror supply is 1 98 and 1 respectively.
Compared with on axis parabolic or ellipsoidal reflectors the off axis mirrors do not have a central hole enabling light across the entire aperture of the mirror to be focused onto a detector.
Moreover by folding the optical axis and displacing the focus away from the mechanical axis it is easier to install baffles to block stray light from.
Where to buy parabolic mirrors.
One method involves using a rotating furnace to form the mirrors from a molten base material.
They are designed to focus or collimate broadband light.
These mirrors focus light similar to a concave mirror with the significant exception being that the off axis parabolic design redirects the incident light through 90.
A simpler way is to cut and shape the off axis paraboloids from metal blanks.
Mirrors with a parabolic shape exhibits the lowest possible aberrations for certain optical purposes such as tightly focusing a collimated laser beam.
Optical coatings optiforms off the shelf oap reflectors need a.
Off axis parabolic reflectors off axis parabolic reflector diagram an off axis parabolic reflector achromatically directs a collimated beam of light to or from a focal point.
Collimates a divergent light source or focuses a collimated beam oap profile eliminates spherical aberration mounting adapters available surface enhancements.
Uv enhanced aluminum 250 450 nm protected aluminum 450 nm 20 µm protected silver 450 nm 20 µm and protected or unprotected gold 800 nm 20 µm.
Buyer s guide products parabolic mirrors.
Manufacturers can produce off axis parabolic mirrors in several ways.
Custom mirrors may be manufactured in a range of substrates and alternative coatings as required by our customer s specifications including uv and ir coatings and materials and.
Collimated light that is incident to an oap mirror is focused to a point.
