λ/20 Flat Mirrors

Optical Mirror -- Front Surface
from Advanced Optics, Inc.

Front surface optical mirrors (also known as first surface optical mirrors) reflect light directly from the coating that is applied to the polished or working surface of the mirror. Front surface optical mirrors differ from second surface optical mirrors in the fact that light does not have to... [See More]

  • Surface Flatness: λ/20
  • Mirror Coatings: Uncoated (optional feature); Aluminum (optional feature); Enhanced Aluminum (optional feature); Gold (optional feature); Protected Gold (optional feature); Custom Coating
  • Mirror Shape: Rectangular / Square
1/20λ Dual Surface Flat, Fused Silica, 1" Diameter -- NT48-129
from Edmund Optics Inc.

1/4 λ, 1/10 λ and 1/20 λ Surface Flatness Options. Certified with a Zygo Interferometer. Each 1/20 λ Flat Includes a Certificate of Calibration. Single Surface Optical Flats Also Available. Our dual surface optical flats are precision ground and polished to the stated... [See More]

  • Surface Flatness: λ/20
  • Thickness: 12.7
  • Diameter/Width: 25.4
  • Mirror Materials: Fused Silica
Plano Metallic Mirrors
from Thorlabs, Inc.

At Thorlabs, we constantly reinforce our desire to serve at the pleasure of our customers. From this comes our desire to be connected to our industry in a way that far exceeds what would typically be expected of a vendor. Thorlabs lives this core principle by seeking to enhance, at every turn, the... [See More]

  • Surface Flatness: λ/5; λ/8; λ/10; λ/20
  • Diameter/Width: 7 to 102
  • Mirror Shape: Round; Rectangular / Square; Elliptical
  • Thickness: 2 to 19.1
Broadband RMAX Mirrors
from Rocky Mountain Instrument/RMI Laser

Mirrors are used in a wide range of beam steering, focusing and collimating applications. Broadband RMAX Mirrors provide high reflectance over a broad spectral range. They are also useful in narrowband applications in which it is necessary to vary the angle of incidence. Substrates are available... [See More]

  • Surface Flatness: λ/4; λ/20; lambda/40
  • Mirror Materials: BK7 Glass; Fused Silica; Ultra-violet grade Fused Silica; Calcium Flouride
  • Mirror Shape: Round
  • Surface Quality: 10-5 Scratch / Dig; 20-10 Scratch / Dig; 40-20 Scratch / Dig
Optical Mirror -- ZERODUR®
from Advanced Optics, Inc.

Optical mirrors made of ZERODUR ® provide a very low coefficient of thermal expansion making this glass-ceramic material ideal for applications where the optical mirror is exposed to fluctuating and/or extremely cold temperatures. Although ZERODUR ® has an overall yellowish tint, it has good... [See More]

  • Surface Flatness: λ/20
  • Mirror Materials: Zerodur®
  • Mirror Shape: Round
  • Mirror Coatings: Aluminum (optional feature); Protected Aluminum (optional feature); Gold (optional feature); Protected Gold (optional feature); Silver (optional feature); Aluminum Magnesium Fluoride, and Enhanced Aluminum
Mirror Blanks
from Rocky Mountain Instrument/RMI Laser

For your applications that are not covered by our standard mirrors, we offer the following Mirror Blanks which can be coated to your specifications: Plane Mirror Blanks. Concave Spherical Mirror Blanks. Convex Spherical Mirror Blanks. Mirror Blanks are available in BK7, UVFS, FS, Supremax 33,... [See More]

  • Surface Flatness: λ/4; λ/20; lambda/40
  • Mirror Materials: BK7 Glass; Copper; Fused Silica; Ultra-violet grade Fused Silica; Calcium Flouride, Silicon, Molybdenum
  • Mirror Shape: Round
  • Mirror Coatings: Uncoated
Phase Retarding Mirrors
from Rocky Mountain Instrument/RMI Laser

Phase Retarding Mirrors are designed to produce a specific phase shift between the S and P polarization components of an incident CO2 laser beam. Mirrors designed for zero phase shift maintain the incident polarization state in the reflected beam. Mirrors designed for λ/4 (90 º) phase... [See More]

  • Surface Flatness: λ/20; lambda/40
  • Mirror Materials: Copper; Silicon
  • Mirror Shape: Round
  • Surface Quality: 40-20 Scratch / Dig; Fine Grind