The Hard-Mounted PLX Hollow RetroreflectorTM (HMHR) is totally insensitive to position and movement, such as tilt. It is especially useful for critical applications such as Michelson Interferometers. 

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HM-25
Hard-Mounted Hollow Retroreflectors™(HMHR)
Cat. No. Clear Aperture
(in/mm)		 Beam Deviation
(arc.sec.)		 Exiting
Wavefront
(p.v.633nm)		 Weight
(grams)		 Coating Wavelength Range (nm) Reflectance Coating Curve Diagram 3D Model
HM-25-05 2.5/63 0.5 0.25 141 - - -
HM-25-1 2.5/63 1.0 0.35 141 - - -
HM-25-2 2.5/63 2.0 0.60 110 - - -
HM-25-5 2.5/63 5.0 1.50 110 - - -
HM-25-10 2.5/63 10.0 3.00 110 - - -
HM-25-30 2.5/63 30.0 9.00 110 - - -
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Beam Deviation is the maximum deviation from parallelism, expressed in seconds of arc, of any single return beam from any of the 6 sub-apertures of the retroreflector, when the retroreflector is fully-illuminated.

Exiting Wavefront is the resultant maximum peak-to-valley wavefront deformation from a fully-illuminated retroreflector, where lambda = 633nm.

Certain high accuracy models may be heavier than indicated here. Check with us for actual weight.

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