Mirrors

Mirrors

Optical Mirrors are designed to reflect incident light for laser and imaging applications such as beam steering, interferometry, illumination, and more.  Industries that utilize Optical Mirrors are bio-medical, life sciences, astronomy, metrology, semiconductor, and more.  OptoSigma offers a broad selection of optical mirrors to meet virtually any application.  Some examples are, Super Mirrors, or, low PPM mirrors, Spherical Mirrors, Femtosecond Laser Mirrors, also known as Low or Negative Dispersion Mirrors, Dielectric Mirrors, Metalic Mirrors, and Laser Line Mirrors.  If one of our hundreds of catalog mirrors do not meet your requirements, send us a request for a custom mirror. 

  
guide product

Selection Guide for Optical Mirrors

Groups

Description

Mirror Shapes and Sizes(mm)

Average Reflectivity and Wavelength Ranges

Flatness Options

Material Options

Mount Families

standard_grade_mounts
Broadband Metallic Mirrors

These mirrors are affordable with good reflectance in a wide range of wavelength. Mirrors are available in aluminum, silver and gold coating and at any angle of incidence. Light absorption coating, reflection is slightly reduced.

Round: φ10, (0.5”), 15, 20, 25, (1.0”), 30, 40, 50, (2.0”), 60, 80, 100, 130, 150

Square: 10, (0.5”), 15, 20, 25,(1.0”), 30, 40, 50, (2.0”), 60, 80, 100, 130, 150, 250

Rectangular: 10x15, 15x25, 20x30, 25x35
  • Aluminum
    80-95% (See Graph)
  • Silver
    97.5%(450~2000nm)
  • Gold
    80-95% (See Graph)

λ, λ/4, λ/10, λ/20

Hard Glass, BK7

standard_grade_mounts
Dielectric Mirrors

These mirrors are designed for high reflectance with low loss. The coating is resistant to hard scratches. To be used from 0-45 degrees angle of incidence.

Round: φ10, (0.5”), 15, 20, 25, (1.0”), 30, 40, 50, (2.0”)
  • 95-99% - 193, 248, 266, 355, 532, 1064nm
  • 97-98% - 245-700, 400-1100, 400-2000, 300-2000nm
  • >99% - 157, 193, 248, 266, 282, 308, 325nm

λ/10

BK7

standard_grade_mounts
Super Mirrors

Our Super mirrors are ultra-high performance mirrors which provide near 100% reflection in order to maximize the performance of a Fabry-Perot resonator cavity.

Round: (0.5”), 25, (1.0”), 30, 50
  • >99.99 @ 532nm
  • >99.99 @1064nm

λ/10

Synthetic Fused Silica

standard_grade_mounts
Femtosecond Laser Mirrors

This mirror is designed to provide low wavelength dispersion suitable for use with ultra-short pulse lasers with 100 femtosecond or less.

Round: (0.5”), (1.0”), 30
  • >99.8 @ 700-900

λ/10

Synthetic Fused Silica, BK7

standard_grade_mounts
High Surface Flatness Mirrors

High Surface Accuracy Mirrors provide a guaranteed surface accuracy of λ/10 after coating.

Round: (0.5”), (1.0”), 30, 50, (2.0”)
  • >99% @ 248, 266, 308, 355, 532, 1064nm

λ/10

Synthetic Fused Silica

standard_grade_mounts
Curved Mirrors

A curved mirror converts diverging light from a point of light source into parallel light.

Round: φ10, (0.5”), 15, 20, 25, (1.0”), 30, 40, 50
Ellipse: φ64, 76, 86, 105, 113, 124, 128, 148
Paraboloid: φ(0.5”),15, 17, 30
  • Aluminum 80-95% (See Graph)

λ/2

BK7, Tempax

*The indicated millimeter-to-inch diameter conversion values are rounded



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