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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

20.0mm 400 - 750nm Coated, N-BK7 Right Angle Mirror

Broadband Dielectric Coated Right Angle Mirrors

Stock #87-390 10 to 12 days
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Qty 1-5
Qty 6+
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Dielectric Mirror (400-750nm)
Coating Specification:
Hypotenuse: Ravg >98% @ 400 - 750nm (0 - 45°)
Ravg >99% @ 400 - 750nm (0°)
Wavelength Range (nm):
400 - 750
Length of Legs (mm):
Length of Hypotenuse (mm):
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
Dimensional Tolerance (mm):
Coating Type:
Angle Tolerance (arcmin):
Clear Aperture (%):
Right Angle Mirror
Damage Threshold, By Design: Damage threshold for optical components varies by substrate material and coating. Click here to learn more about this specification.
0.5 J/cm2 @ 532nm, 20ns, 20Hz
Power (fringes) @ 632.8nm:
Irregularity (fringes) @ 632.8nm:

Regulatory Compliance

RoHS 2015:
Reach 209:
Certificate of Conformance:

Product Family Description

TECHSPEC® Broadband Dielectric Coated Right Angle Mirrors are designed for beam steering or precision alignment applications utilizing multiple laser sources or operating from the visible to near-infrared spectra. These mirrors feature improved reflection compared to standard metal coated mirrors, increasing system performance by decreasing energy loss. These right angle mirrors are easily mounted and integrated into optical systems. TECHSPEC® Broadband Dielectric Coated Right Angle Mirrors reflect light at 90º and have greater than 98% reflection over broad wavelength ranges. These mirrors feature a N-BK7 substrate and are available in a variety of leg lengths. 

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