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38.1mm Silver Coated, Corner Cube Prism

Stock #45-189
£221.00
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Qty 1-5
£221.00
Qty 6-25
£176.80
Qty 26+
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Diameter (mm):
38.10 +0.0/-0.1
Height (mm):
29.21 + Black Overpaint adds 30-60μm
Coating:
Protected Silver (450-10000nm)
Beam Deviation (arcsec):
3
Bevel:
Protective bevel as needed
Clear Aperture (%):
95
Coating Specification:
Reflective Surfaces: Ravg >98% @ 500 - 800nm, Ravg >98% @ 2 - 10 μm w/Black Overpaint
Height Tolerance (mm):
±0.25
Image Orientation:
Left-Handed
Note:
Black Overpaint is 30-60μm Thick
Ray Deviation (°):
180
Substrate:
N-BK7
Surface Flatness:
λ/8
Surface Quality:
60-40
Type:
Retroreflector
Typical Energy Density Limit:
Entrance: 0.5 J/cm2 @ 532nm & 1064nm, 10ns
Wavelength Range (nm):
400 - 2200
RoHS:

Product Family Description

  • Incident Light is Reflected Back to the Source
  • Down to 3 Arcsecond Beam Deviation
  • Ideal for Alignment
  • Also Available Mounted

Corner cube retroreflectors are designed to reflect any ray or beam entering the prism face, regardless of the orientation of the prism, back onto itself. A mirror will only do that at the normal angle of incidence. As a result, corner cube retroreflectors are ideal where precision alignment is difficult or time-consuming. They feature three total internal reflections and will function even at very large angles of incidence. TECHSPEC® N-BK7 Corner Cube Retroreflectors are made from precision N-BK7 for use in a variety of visible light applications.

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