Mirror is an object with a surface that has high reflection. It is smooth enough to form an image. The most familiar type of mirror is the plane mirror, which has a flat surface. Curved mirrors are also used, to produce magnified or diminished images or focus light or simply distort the reflected image. Mirrors are used in scientific apparatus such as telescopes and lasers, cameras, and industrial machinery. Most mirrors are designed for visible light; however, mirrors designed for other types of waves or other wavelengths of electromagnetic radiation are also used, especially in non-optical instruments.








Material:                                BK7, Fused Silica, etc. 
Typical Diameter (mm):          10.0, 12.7, 15.0, 20.0, 25.4, 30.0, 50.8, etc. 
Diameter Tolerance (mm):       +0.0/-0.2
Typical Thickness (mm):         2.0, 3.0, 6.0, 6.35 
Thickness Tolerance (mm):     +/-0.2 
Clear Aperture:                      >80% (Small Size), >95% (Large Size) 
Flatness:                              1/8 lambda @632.8nm 
Standard Incidence:               Angle 0 or 45 
Surface Quality:                    20/10 scratch and dig
Parallelism:                          <3 min. 
Bevel:                                  <0.15mm
Coating:                               HR, PR, Metal(Al, Au, Ag) for both single wavelength and broadwavelength range.



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