IR Dielectric Concave Mirror

IR Dielectric Concave Mirror

Regular price $70.00 USD
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What is a concave optical mirror?

  • A concave optical mirror is a type of spherical mirror that has a curved surface that bulges inward, like the inside of a bowl.
  • A concave mirror reflects light rays in such a way that they converge at a single point, called the focal point, or focus.
  • A concave mirror can form real or virtual images of objects, depending on their distance from the mirror.
  • A concave mirror is different from a flat mirror, which reflects light rays in parallel and forms only virtual images of objects.

What are the major specifications for a concave mirror?

Some of the major specifications for a concave mirror are:

  • Diameter: The size of the circular aperture of the mirror.
  • Focal length: The distance from the mirror to the focal point, where parallel light rays converge after reflection.
  • Radius of curvature: The radius of the sphere that the mirror surface is part of. It is equal to twice the focal length.
  • Coating: The type and quality of the reflective layer on the mirror surface, which affects the reflectivity, durability and performance of the mirror.
  • Surface quality: The smoothness and accuracy of the mirror surface, which affects the amount of scattering, distortion and aberration of the reflected light.

What are the common coatings for these type of mirrors?

Some of the common coatings for concave mirrors are:

  • Metallic coatings: These coatings use metals such as aluminum, gold or silver to provide high reflectivity over a broad wavelength range. They are suitable for applications such as laser technology, imaging optics and astronomy.
  • Dielectric coatings: These coatings use layers of non-metallic materials with different refractive indices to enhance or suppress reflectivity at specific wavelengths. They are suitable for applications such as laser resonators, interferometers and filters.
  • Multilayer coatings: These coatings use multiple layers of metallic and dielectric materials to achieve high reflectivity and low group delay dispersion at extreme ultraviolet (EUV) or X-ray wavelengths. They are suitable for applications such as attosecond physics, plasma diagnostics and lithography.

Use cases of concave mirrors

  • Telescopes: Concave mirrors are used as primary mirrors in reflecting telescopes to collect and focus light from distant objects such as stars and planets.
  • Ophthalmoscopes: Concave mirrors are used in ophthalmoscopes to examine the retina and other parts of the eye by directing a beam of light into the pupil and observing the reflected image through a hole in the mirror.
  • Headlights: Concave mirrors are used in headlights to project a bright beam of light forward by reflecting it from a light source at the focal point of the mirror.
  • Solar cookers: Concave mirrors are used in solar cookers to concentrate sunlight onto a cooking vessel by reflecting it from a large curved surface.

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Variant Variant total Quantity Price Variant total
F= 12mm Dia= 12.7mm Coating= 1280-1600nm
F= 12mm Dia= 12.7mm Coating= 1280-1600nm
$70.00/ea
$0.00
$70.00/ea $0.00
F= 25mm Dia= 12.7mm Coating= 1280-1600nm
F= 25mm Dia= 12.7mm Coating= 1280-1600nm
$70.00/ea
$0.00
$70.00/ea $0.00
F= 50mm Dia= 12.7mm Coating= 1280-1600nm
F= 50mm Dia= 12.7mm Coating= 1280-1600nm
$70.00/ea
$0.00
$70.00/ea $0.00
F= 25mm Dia= 25.4mm Coating= 1280-1600nm
F= 25mm Dia= 25.4mm Coating= 1280-1600nm
$90.00/ea
$0.00
$90.00/ea $0.00
F= 50mm Dia= 25.4mm Coating= 1280-1600nm
F= 50mm Dia= 25.4mm Coating= 1280-1600nm
$90.00/ea
$0.00
$90.00/ea $0.00
F= 75mm Dia= 25.4mm Coating= 1280-1600nm
F= 75mm Dia= 25.4mm Coating= 1280-1600nm
$90.00/ea
$0.00
$90.00/ea $0.00
F= 100mm Dia= 25.4mm Coating= 1280-1600nm
F= 100mm Dia= 25.4mm Coating= 1280-1600nm
$90.00/ea
$0.00
$90.00/ea $0.00
F= 50mm Dia= 50.8mm Coating= 1280-1600nm
F= 50mm Dia= 50.8mm Coating= 1280-1600nm
$158.00/ea
$0.00
$158.00/ea $0.00
F= 100mm Dia= 50.8mm Coating= 1280-1600nm
F= 100mm Dia= 50.8mm Coating= 1280-1600nm
$158.00/ea
$0.00
$158.00/ea $0.00
F= 150mm Dia= 50.8mm Coating= 1280-1600nm
F= 150mm Dia= 50.8mm Coating= 1280-1600nm
$158.00/ea
$0.00
$158.00/ea $0.00
F= 200mm Dia= 50.8mm Coating= 1280-1600nm
F= 200mm Dia= 50.8mm Coating= 1280-1600nm
$158.00/ea
$0.00
$158.00/ea $0.00

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