A Hollow Beamsplitting Pentamirror (HBPM)  is a constant deviation device developed by PLX to duplicate the performance of a pentamirror, with added advantages. The HBPM is a powerful and versatile tool for surveying, laboratory experimentation, and a range of metrology applications. The device enables incoming light to be deviated by 90° with great accuracy while generating additional output beams. These outputs will also be at 90° from one another. The assembly is invariant and thus permits movements such as rotation without compromising either the 90° deviation or its inherent accuracy.

The optical elements of the Hollow Beamsplitting Pentamirror assemblies are monolithic structures made of fused silica glass and are mounted in an aluminum enclosure, with a black anodized finish. They are available in 1″ and 2″ clear aperture, with accuracies to better than 1 arc second.

PLX is a Luxium Solutions brand that has been at the forefront of developing high-quality monolithic optics for over 60 years. PLX optics can withstand and perform under the harshest environmental conditions and maintain their accuracy over time.

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Key Features

  • Performance of a pentamirror with better accuracy and greater wavelength transmission.
  • Provides multiple outputs at 90 degrees from one another.
  • Invariant assembly permits movements without compromising deviation or accuracy.
  • Accuracies to better than 1 arc second.
  • RoHS Compliant.
  • PLX is a ISO 9001 registered company.

Penta with Beamsplitter

This is a combination of a flat mirror and beamsplitter mounted at 45° to each other.

An optional configuration incorporating two beamsplitters can also be provided (shown below). This further highlights the versatility of the HBPM.

 

 

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Specification Chart

Model Clear Aperture (in/mm) Beam Deviation (arcsec.) Exiting Wavefront (P.V. 633nm) Weight (grams)
HBPM-10 1.0/25 1.0 – 30.0 0.1 – 0.5 685
HBPM-20 2.0/51 1.0 – 30.0 0.1 – 0.5 1650

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Other Products in Range

Other products in our optics range.

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