Hollow Retroreflectors

Rugged, Reliable, Precision Alignment

Spectrum Scientific’s monolithic hollow retroreflectors are engineered for applications requiring exceptional stability and return accuracy. Constructed from solid aluminum, their one-piece design makes them inherently resistant to vibration, thermal drift, and mechanical stress – ideal for FTIR spectrometers, Michelson interferometers, and laser tracking systems.

Key Features:

  • Return beam accuracy of < 2 arcseconds
  • Durable, rigid design ensures alignment stability
  • Available with aluminum or gold coatings, bare or overcoated
  • Mounting features and fiducials can be incorporated on the part for precise system integration and simplified assembly

For a deeper look at their performance in metrology, download our white paper: Monolithic Hollow Corner Cube Retroreflectors for Precision Metrology

To discuss custom options or request volume pricing, please contact our sales team or complete our Information Request Form.

Hollow Retroreflectors
Hollow Retroreflectors
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ComparePart NumberProduct DescriptionPriceDia. (mm)Clear Aperture (%)QuantityMore
Compare HR-127-10-AL 12.7mm dia. Aluminum Retroreflector, 10 Arc sec $260 12.7 90
Part Number: HR-127-10-AL
Price: $260
Dia. (mm)12.7
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 10
CoatingAluminum
Lead Time2-4 Wks
Hide Details
Compare HR-127-2-AL 12.7mm dia. Aluminum Retroreflector, 2 Arcsec $550 12.7 90
Part Number: HR-127-2-AL
Price: $550
Dia. (mm)12.7
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 2
CoatingAluminum
Lead Time2-4 Wks
Hide Details
Compare HR-127-5-AL 12.7mm dia. Aluminum Retroreflector, 5 Arc sec $340 12.7 90
Part Number: HR-127-5-AL
Price: $340
Dia. (mm)12.7
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 5
CoatingAluminum
Lead Time2-4 Wks
Hide Details
Compare HR-127-10 12.7mm dia. Gold Retroreflector, 10 Arc sec $270 12.7 90
Part Number: HR-127-10
Price: $270
Dia. (mm)12.7
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 10
CoatingGold
Lead Time2-4 Wks
Hide Details
Compare HR-127-2 12.7mm dia. Gold Retroreflector, 2 Arc sec $560 12.7 90
Part Number: HR-127-2
Price: $560
Dia. (mm)12.7
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 2
CoatingGold
Lead Time2-4 Wks
Hide Details
Compare HR-127-5 12.7mm dia. Gold Retroreflector, 5 Arc sec $350 12.7 90
Part Number: HR-127-5
Price: $350
Dia. (mm)12.7
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 5
CoatingGold
Lead Time2-4 Wks
Hide Details
Compare HR-254-10-AL 25.4mm dia. Aluminum Retroreflector, 10 Arc sec $360 25.4 90
Part Number: HR-254-10-AL
Price: $360
Dia. (mm)25.4
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 10
CoatingAluminum
Lead Time2-4 Wks
Hide Details
Compare HR-254-2-AL 25.4mm dia. Aluminum Retroreflector, 2 Arc sec $550 25.4 90
Part Number: HR-254-2-AL
Price: $550
Dia. (mm)25.4
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 2
CoatingAluminum
Lead Time2-4 Wks
Hide Details
Compare HR-254-5-AL 25.4mm dia. Aluminum Retroreflector, 5 Arc sec $450 25.4 90
Part Number: HR-254-5-AL
Price: $450
Dia. (mm)25.4
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 5
CoatingAluminum
Lead Time2-4 Wks
Hide Details
Compare HR-254-10 25.4mm dia. Gold Retroreflector, 10 Arc sec $370 25.4 90
Part Number: HR-254-10
Price: $370
Dia. (mm)25.4
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 10
CoatingGold
Lead Time2-4 Wks
Hide Details
Compare HR-254-2 25.4mm dia. Gold Retroreflector, 2 Arc sec $560 25.4 90
Part Number: HR-254-2
Price: $560
Dia. (mm)25.4
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 2
CoatingGold
Lead Time2-4 Wks
Hide Details
Compare HR-254-5 25.4mm dia. Gold Retroreflector, 5 Arc sec $460 25.4 90
Part Number: HR-254-5
Price: $460
Dia. (mm)25.4
Clear Aperture (%)90
Apex Distance (inches)0.172 ± 0.005
Beam Deviation (arcsec)≤ 5
CoatingGold
Lead Time2-4 Wks
Hide Details

Please complete our Request Information form or contact our sales team to discuss your specific requirements.