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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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