High-Performance Parabolic Mirrors

Edmund Optics (EO), the premier provider of optical components, today announced the availability of glass-substrate parabolic mirrors with off-axis focus for UV and visible-spectra applications. Unlike conventional parabolic mirrors, these direct and focus collimated incident light at a fixed angle, providing full access to the focal point without blocking any of the incident beam. This simplifies optical design and improves light-gathering in designs such as Czerny-Turner and Littrow spectrometer configurations as well as general collimator and beam expander setups.

EO's High Performance Off-Axis Parabolic Mirrors are fabricated from a soda-lime glass substrate and have their aspheric optical profile holographically recorded on the substrate. The rectangular mirrors offer either a ½ l or a ¼ l surface accuracy and are replicated from masters that have passed strict inspection criteria, including zonal interferrometric and Foucault testing.

The focal point location for off-axis mirrors can be characterized by the parent focal length and the y-offset - the dimensions along and at right angles to the incident beam axis. EO's mirrors are available with parent focal lengths of 125, 200, or 275 mm with y-offsets ranging from 53 to 85 mm. This leaves a clear aperture of 90% for superior light-gathering capacity. Parent focal length tolerance is +/- 0.15 mm and y-offset tolerance is +/- 2mm.

Price and Availability

EO's High Performance Off-Axis Parabolic Mirrors are available in sizes ranging from 40mm square to 65 mm square. Prices start at $895. Please contact sales@edmundoptics.com for quantity pricing.

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High-Performance Parabolic Mirrors

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