Excelitas Optical Mirrors

Aluminum Elliptical Plano Mirrors

LINOS® Aluminum Elliptical Plano Mirrors are versatile optical components engineered for high-performance reflection in diverse applications. These standard mirrors are available for visible to infrared or ultraviolet spectral ranges, providing high reflectivity across broad spectral and angle-of-incidence ranges. VIS–IR mirrors include a protective SiO₂ overcoating, while UV mirrors use an MgF₂ overcoating to ensure durability and resistance to environmental factors. Made from low-expansion substrates, they offer thermal stability and maintain surface flatness, reducing distortion under changing conditions.

For specialized requirements, custom substrates or coatings can be produced for larger quantities upon request. Combining reliability, versatility, and precision, these aluminum plano mirrors are ideal for laboratory research, industrial optics, spectroscopy, and laser systems where consistent, high-performance reflection is essential.

Product Pl. Mirror RAL; D=10x14 oval; d=2; L/2 Pl. Mirror RAL; D=12.5x18 oval; d=2; L/2 Pl. Mirror RAL; D=22.4x31.5 oval; d=3.5; L/2 Pl. Mirror RAL; D=22.4x31.5 oval; d=3.5; L/10 Pl. Mirror RAL; D=31.5x45 oval; d=4; L/2 Pl. Mirror RAL; D=50x71 oval; d=6; 1L Pl. Mirror RAL-UV; D=10x14 oval; d=2; L/2 Pl. Mirror RAL-UV; D=22.4x31.5 oval; d=3.5; L/2 Pl. Mirror RAL-UV; D=22.4x31.5 oval; d=3.5; L/10 Pl. Mirror RAL-UV; D=31.5x45 oval; d=4; L/2 Pl. Mirror RAL-UV; D=50x71 oval; d=6; 1L
Shape Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical
Optic Size Ø 10.0 - 14.0 mm Ø 12.5 - 18.0 mm Ø 22.4 - 31.5 mm Ø 22.4 - 31.5 mm Ø 31.5 - 45.0 mm Ø 50.0 - 71.0 mm Ø 10.0 - 14.0 mm Ø 22.4 - 31.5 mm Ø 22.4 - 31.5 mm Ø 31.5 - 45.0 mm Ø 50.0 - 71.0 mm
Optic Center Thickness 2.0 mm 2.0 mm 3.5 mm 3.5 mm 4.0 mm 6.0 mm 2.0 mm 3.5 mm 3.5 mm 4.0 mm 6.0 mm
Wavelength Range 230.0 - 400.0 nm 400.0 - 700.0 nm 400.0 - 700.0 nm 400.0 - 700.0 nm 400.0 - 700.0 nm 400.0 - 700.0 nm 230.0 - 400.0 nm 230.0 - 400.0 nm 230.0 - 400.0 nm 230.0 - 400.0 nm 230.0 - 400.0 nm
Tolerance of optic size - 0.06 mm - 0.08 mm - 0.1 mm - 0.1 mm - 0.12 mm - 0.12 mm - 0.06 mm - 0.1 mm - 0.1 mm - 0.12 mm - 0.12 mm
Coating RAL-Coating 380 nm - 10 µm RAL-Coating 380 nm - 10 µm RAL-Coating 380 nm - 10 µm RAL-Coating 380 nm - 10 µm RAL-Coating 380 nm - 10 µm RAL-Coating 380 nm - 10 µm RAL UV-Coating 220 nm - 3 µm RAL UV-Coating 220 nm - 3 µm RAL UV-Coating 220 nm - 3 µm RAL UV-Coating 220 nm - 3 µm RAL UV-Coating 220 nm - 3 µm
Flatness (λ) 1/2 1/2 1/2 1/10 1/2 1 1/2 1/2 1/10 1/2 1
Angle of Incidence (AOI) 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg
Coating Specification Runpol>85% @400-700 nm Runpol>85% @400-700 nm Runpol>85% @400-700 nm Runpol>85% @400-700 nm Runpol>85% @400-700 nm Runpol>85% @400-700 nm Runpol>85% @230-400 nm
Runpol>88% @300 nm
Runpol>85% @230-400 nm
Runpol>88% @300 nm
Runpol>85% @230-400 nm
Runpol>88% @300 nm
Runpol>85% @230-400 nm
Runpol>88% @300 nm
Runpol>85% @230-400 nm
Runpol>88% @300 nm
  • Standard aluminium mirrors for the spectral ranges VIS to IR up to 10 µm or UV to 3 µm, respectively

  • High reflection within a broad spectral and angle-of-incidence range

  • Protected by an SiO2 overcoating (RAL) or MgF2 for the UV-region (RAL UV) prevents surface degradation, extending mirror lifetime and reducing maintenance

  • Low expansion material, minimizing thermal distortion and maintaining precise optical performance under temperature changes

  • RAL-UV: Guaranteed reflection > 85 % in the range of 230 nm ≤ λ ≤ 400 nm, > 88 % at λ0 = 300 nm for AOI = 45°, unpolarized

  • RAL-UV: Damage threshold H > 200 mJ/cm2 at 193 nm with 30 ns laser pulses (s-on-1) at 10 Hz

  • RAL VIS: Guaranteed reflection > 85 % in the range of 400 nm ≤ λ ≤ 700 nm for AOI = 45°, unpolarized

  • RAL VIS: Damage threshold H > 1.5 J / cm2 at 1064 nm with 11 ns laser pulses (s-on-1) at 10 Hz

  • Custom mirrors offering other substrates or coatings are available for higher quantities upon request

Product Pl. Mirror RAL; D=10x14 oval; d=2; L/2 Pl. Mirror RAL; D=12.5x18 oval; d=2; L/2 Pl. Mirror RAL; D=22.4x31.5 oval; d=3.5; L/2 Pl. Mirror RAL; D=22.4x31.5 oval; d=3.5; L/10 Pl. Mirror RAL; D=31.5x45 oval; d=4; L/2 Pl. Mirror RAL; D=50x71 oval; d=6; 1L Pl. Mirror RAL-UV; D=10x14 oval; d=2; L/2 Pl. Mirror RAL-UV; D=22.4x31.5 oval; d=3.5; L/2 Pl. Mirror RAL-UV; D=22.4x31.5 oval; d=3.5; L/10 Pl. Mirror RAL-UV; D=31.5x45 oval; d=4; L/2 Pl. Mirror RAL-UV; D=50x71 oval; d=6; 1L
Shape Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical Elliptical
Optic Size Ø 10.0 - 14.0 mm Ø 12.5 - 18.0 mm Ø 22.4 - 31.5 mm Ø 22.4 - 31.5 mm Ø 31.5 - 45.0 mm Ø 50.0 - 71.0 mm Ø 10.0 - 14.0 mm Ø 22.4 - 31.5 mm Ø 22.4 - 31.5 mm Ø 31.5 - 45.0 mm Ø 50.0 - 71.0 mm
Optic Center Thickness 2.0 mm 2.0 mm 3.5 mm 3.5 mm 4.0 mm 6.0 mm 2.0 mm 3.5 mm 3.5 mm 4.0 mm 6.0 mm
Wavelength Range 230.0 - 400.0 nm 400.0 - 700.0 nm 400.0 - 700.0 nm 400.0 - 700.0 nm 400.0 - 700.0 nm 400.0 - 700.0 nm 230.0 - 400.0 nm 230.0 - 400.0 nm 230.0 - 400.0 nm 230.0 - 400.0 nm 230.0 - 400.0 nm
Tolerance of optic size - 0.06 mm - 0.08 mm - 0.1 mm - 0.1 mm - 0.12 mm - 0.12 mm - 0.06 mm - 0.1 mm - 0.1 mm - 0.12 mm - 0.12 mm
Coating RAL-Coating 380 nm - 10 µm RAL-Coating 380 nm - 10 µm RAL-Coating 380 nm - 10 µm RAL-Coating 380 nm - 10 µm RAL-Coating 380 nm - 10 µm RAL-Coating 380 nm - 10 µm RAL UV-Coating 220 nm - 3 µm RAL UV-Coating 220 nm - 3 µm RAL UV-Coating 220 nm - 3 µm RAL UV-Coating 220 nm - 3 µm RAL UV-Coating 220 nm - 3 µm
Flatness (λ) 1/2 1/2 1/2 1/10 1/2 1 1/2 1/2 1/10 1/2 1
Angle of Incidence (AOI) 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg 45 deg
Coating Specification Runpol>85% @400-700 nm Runpol>85% @400-700 nm Runpol>85% @400-700 nm Runpol>85% @400-700 nm Runpol>85% @400-700 nm Runpol>85% @400-700 nm Runpol>85% @230-400 nm
Runpol>88% @300 nm
Runpol>85% @230-400 nm
Runpol>88% @300 nm
Runpol>85% @230-400 nm
Runpol>88% @300 nm
Runpol>85% @230-400 nm
Runpol>88% @300 nm
Runpol>85% @230-400 nm
Runpol>88% @300 nm
  • Standard aluminium mirrors for the spectral ranges VIS to IR up to 10 µm or UV to 3 µm, respectively

  • High reflection within a broad spectral and angle-of-incidence range

  • Protected by an SiO2 overcoating (RAL) or MgF2 for the UV-region (RAL UV) prevents surface degradation, extending mirror lifetime and reducing maintenance

  • Low expansion material, minimizing thermal distortion and maintaining precise optical performance under temperature changes

  • RAL-UV: Guaranteed reflection > 85 % in the range of 230 nm ≤ λ ≤ 400 nm, > 88 % at λ0 = 300 nm for AOI = 45°, unpolarized

  • RAL-UV: Damage threshold H > 200 mJ/cm2 at 193 nm with 30 ns laser pulses (s-on-1) at 10 Hz

  • RAL VIS: Guaranteed reflection > 85 % in the range of 400 nm ≤ λ ≤ 700 nm for AOI = 45°, unpolarized

  • RAL VIS: Damage threshold H > 1.5 J / cm2 at 1064 nm with 11 ns laser pulses (s-on-1) at 10 Hz

  • Custom mirrors offering other substrates or coatings are available for higher quantities upon request

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