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Right Angle Prism Mirrors, Dielectric Coatings![]()
MRA20-E03 (L = 20.0 mm) MRA10-E03 (L = 10.0 mm) MRA25-E02 (L = 25.0 mm) MRA03-E02 (L = 3.0 mm) ![]() Please Wait ![]() Click to Enlarge The KM100PM(/M) can be used to mount our right angle prisms when used in combination with either a PM3(/M) or PM4(/M) clamping arm. Photographed above is an MRA03-E03. ![]() The size of these prisms is defined by the leg dimension, L, which is indicated in the product list below. See the Specs tab for full product dimensions. ![]() Schematic that demonstrates how to orient the right angle prism mirror with respect to the incident beam.
Features
Thorlabs offers right-angle prism mirrors with a broadband dielectric coating for the 400 - 750 nm or 750 - 1100 nm wavelength range. They provide an average reflectance of >99% over these ranges (please see the Graphs tab for more info). The mirrors are designed to reflect light that is externally incident on the hypotenuse of the prism (see figure to the right), which has an optical-quality dielectric coated surface (see the Specs tab for details). Right angle prism mirrors featuring metallic and Nd:YAG laser line coatings are also available. As shown in the images above, there are tooling marks at the right and left edges of the coated hypotenuse. These tooling marks are part of the manufacturing process and do not infringe upon the clear aperture of the mirror (see Specs tab for details). Please note that reflecting light off of the coated surface from inside the prism is not recommended because of the adhesion layers used in the coating process. As a result, no specifications are given for the polished legs (short sides) of the prism. The triangular surfaces of the prism have a fine ground glass finish. The top surface of each 25.0 mm prism is engraved with the item number for quick identification. These 25.0 mm prisms are also available mounted inside our 30 mm cage cubes.
![]() The size of these prisms is defined by the leg dimension, L. See the table to the right for dimensions. ![]() Schematic that demonstrates how to orient the right angle prism mirror with respect to the incident beam. These plots show the reflectance of our -E02 (400 - 750 nm) and -E03 (750 - 1100 nm) dielectric coatings for a typical coating run. The shaded region in each graph denotes the spectral range over which the coating is highly reflective. Due to variations in each run, this recommended spectral range is narrower than the actual range over which the optic will be highly reflective. If you have any concerns about the interpretation of this data, please contact Tech Support. For applications that require a mirror that bridges the spectral range between the dielectric coatings, please consider a metallic mirror. -E02 Coating (400 - 750 nm)-E03 Coating (750 - 1100 nm)
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These broadband dielectric-coated right angle prisms are ideal for near-normal and 45° reflections. They perform well with both S- and P-polarized light over their specified wavelength range of 400 - 750 nm. For more information on the typical performance of these mirrors, please see the Graphs tab. For detailed specifications on each prism mirror, please see the specs tab. ![]()
These broadband dielectric-coated right angle prisms are ideal for near-normal and 45° reflections. They perform well with both S- and P-polarized light over their specified wavelength range of 750 - 1100 nm. For more information on the typical performance of these mirrors, please see the Graphs tab. For detailed specifications on each prism mirror, please see the specs tab. | |||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
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