Corner Cube Retro-Reflectors

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Monday, 06 February 2012

Corner Cube Retro-Reflectors

Corner Cube Retro-Reflectors operate on the principle of total internal reflection (TIR). A beam entering the effective aperture is reflected by the three roof surfaces and emerges from the entrance / exit surface parallel to itself. This property is independent of orientation of the retro-reflector, within acceptance angle limitations. For applications in which either the acceptance angle for TIR is exceeded, or the reflecting surfaces cannot be kept sufficiently clean for TIR, a metal or dielectric coating can be applied to the reflecting surfaces.

RMI Standard Specifications
Materials:	BK7, FS, UVFS, CaF₂
Surface Figure: BK7, UVFS, FS: CaF₂:	All polished surfaces: λ/20 at 633 nm λ/4 at 633 nm
Surface Quality: BK7, UVFS, FS: CaF₂:	All polished surfaces: 10-5 20-10
Dimensional Tolerance:	+ 0.000", – 0.010"
Angular Deviation:	180º
Bevels:	minimum safety bevel on all edges; apex unbeveled
Clear Aperture:	Exceeds central 85% of diameter

Applicable Coatings Quick Links
VIS / NIR Coatings:	Single Layer Anti-Reflection (SAR) Narrowband Anti-Reflection (NAR) Broadband Anti-Reflection (BAR)
Metal Coatings:	Bare Aluminum (BAL) Bare Gold (BAU) Protected Aluminum (PAL) Enhanced Aluminum (EAL) Protected Silver (PAG) Enhanced Silver (EAG) Protected Gold (PAU) Enhanced Gold (EAU)

Call 303-664-5000 to discuss your optical requirements
Toll Free: 1-866-678-4270 Fax: 303-664-5001 Email: Sales@RMIco.com
Rocky Mountain Instrument Co. • 106 Laser Dr., Lafayette, CO • 80026 • USA

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