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PLX Hollow Retroreflector ArraysTM for modern FTIR long-path spectroscopy over a wide range and long distances, providing high-quality wavefronts for perfect parallelism between incoming and outgoing beams and high-efficiency returns.   

Hra

AR-30
Hollow Retroreflector Arrays™ (HRA)

Cat. No. Number of Retros Accuracy (arc.sec.) Reflective Area
(in²/cm².)
Weight
(lbs.)
Coating Wavelength Range (nm) Reflectance Coating Curve Diagram 3D Model
AR-30-20 30 20 175/1129 50 - - -
AR-30-5 30 5 175/1129 50 - - -
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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