Hollow Retroreflectors

Spectrum Scientific’s hollow retroreflectors (HR) have a rugged, one piece construction and are manufactured from solid aluminum making them insensitive to vibration, position and movement and ideal for use in Michelson type interferometers, FTIR spectrometers and laser based tracking systems.

Key advantages of our hollow retroreflectors include:

Ability to incorporate mounting features and fiducials onto the retroreflector itself for easy alignment giving additional design and cost benefits
Return beam accuracy < 2 arcsec
Gold or Aluminum coating (bare metal or with protective overcoat)

If you would like to learn more about the advantages of our Hollow Retroreflectors, please read our white paper Monolithic Hollow Corner Cube Retroreflectors for Precision Metrology.

For volume pricing or custom designs, please complete our Request Information form or contact our sales team to discuss your specific requirements.

Hollow Retroreflectors

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Compare Part Number Product Description Price Dia. (mm) Clear Aperture (%) Quantity More

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HR-127-10-AL

12.7mm dia. Aluminum Retroreflector, 10 Arc sec

$260

12.7

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
Coating	Aluminum
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 10
Coating	Aluminum
Lead Time	2-4 Wks

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HR-127-2-AL

12.7mm dia. Aluminum Retroreflector, 2 Arcsec

$550

12.7

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
Coating	Aluminum
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 2
Coating	Aluminum
Lead Time	2-4 Wks

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HR-127-5-AL

12.7mm dia. Aluminum Retroreflector, 5 Arc sec

$340

12.7

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
Coating	Aluminum
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 5
Coating	Aluminum
Lead Time	2-4 Wks

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HR-127-10

12.7mm dia. Gold Retroreflector, 10 Arc sec

$270

12.7

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
Coating	Gold
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 10
Coating	Gold
Lead Time	2-4 Wks

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HR-127-2

12.7mm dia. Gold Retroreflector, 2 Arc sec

$560

12.7

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
Coating	Gold
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 2
Coating	Gold
Lead Time	2-4 Wks

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HR-127-5

12.7mm dia. Gold Retroreflector, 5 Arc sec

$350

12.7

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
Coating	Gold
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 5
Coating	Gold
Lead Time	2-4 Wks

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HR-254-10-AL

25.4mm dia. Aluminum Retroreflector, 10 Arc sec

$360

25.4

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
Coating	Aluminum
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 10
Coating	Aluminum
Lead Time	2-4 Wks

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HR-254-2-AL

25.4mm dia. Aluminum Retroreflector, 2 Arc sec

$550

25.4

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
Coating	Aluminum
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 2
Coating	Aluminum
Lead Time	2-4 Wks

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HR-254-5-AL

25.4mm dia. Aluminum Retroreflector, 5 Arc sec

$450

25.4

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
Coating	Aluminum
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 5
Coating	Aluminum
Lead Time	2-4 Wks

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HR-254-10

25.4mm dia. Gold Retroreflector, 10 Arc sec

$370

25.4

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
Coating	Gold
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 10
Coating	Gold
Lead Time	2-4 Wks

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HR-254-2

25.4mm dia. Gold Retroreflector, 2 Arc sec

$560

25.4

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
Coating	Gold
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 2
Coating	Gold
Lead Time	2-4 Wks

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HR-254-5

25.4mm dia. Gold Retroreflector, 5 Arc sec

$460

25.4

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
Coating	Gold
Lead Time	2-4 Wks

Apex Distance (inches)	0.172 ± 0.005
Beam Deviation (arcsec)	≤ 5
Coating	Gold
Lead Time	2-4 Wks

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

Hollow Retroreflectors

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Product Groove Density (g/mm)

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Product Apex Distance (inches)

Product Beam Deviation (arcsec)

Product Blaze Wavelength (nm)

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Product Clear Aperture (%)

Product Deflection Angle (deg)

Product Deviation Angle (deg)

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Product Dispersion (nm/mm)

Product Effective Fl (mm)

Product F Nbr

Product Lα (mm)

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