Beam Expanders

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Optical systems that enable the expansion of a collimated beam of light.

Product	Magnification	Wavelength Range	Dimensions	Availability	Price (USD)
Fixed Magnification Beam Expander	-	400 - 700 nm 400 - 780 nm	Ø 42 x 96 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 400 - 700 nm 400 - 780 nm Diameter 42 mm Dimensions Ø 42 x 96 mm Length 96 mm Shape Cylindrical Weight ~ 130 g Mounting Thread C-Mount Mount Threaded Mount, C-Mount Length Tolerance +18/4 mm Focal Length 100 mm f-Number 2.381 (Calculated) Supplier Location Japan See product details More from HAMAMATSU
Fixed Magnification Beam Expander	10	532 nm	68 mm	Contact Supplier	$ 259.00
Product Code Wavelength Range 532 nm Center Wavelength 532 nm Transmittance > 96% Dimensions 68 mm Magnification 10 Length 68 mm Output Aperture 21.6 mm Input Aperture 6 mm Damage Threshold Pulsed 5 J/cm² (10 ns, 10 Hz, 1064 nm) Substrate Fused Silica Supplier Location Lithuania See product details More from EKSMA Optics
Fixed Magnification Beam Expander	20	400 - 650 nm (Coating Range)	267 mm	In stock	$ 781.65
Product Code Wavelength Range 400 - 650 nm (Coating Range) Coating BBAR (400 - 650 nm) Reflectance < 0.5% (400 - 650 nm) < 0.5% (per Surface) Transmittance > 93% (405 nm) > 96% (543 nm) > 98% (633 nm) Dimensions 267 mm Magnification 20 Length 267 mm (10.51") Damage Threshold Pulsed 3 J/cm² (0.408 mm, 10 Hz, 10 ns, 532 nm) Coating Features Broadband Input Beam Diameter 2.2 mm (Maximum) Surface Quality 20-10 scratch-dig Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Magnification Beam Expander	2	355 nm (Center Wavelength)	Ø 60 x 75 mm	6 - 12 weeks	Add to cart to request quote
Product Code Wavelength Range 355 nm (Center Wavelength) Center Wavelength 355 nm Diameter 60 mm Dimensions Ø 60 x 75 mm Magnification 2 Length 75 mm (Barrel Length, Excludes Thread) Shape Cylindrical Output Aperture 48 mm Input Aperture Ø 15.5 mm Weight 300 g Damage Threshold Pulsed 2 J/cm² Mounting Thread M34 Applications Aberration Correction Collimation Housing Material Aluminum Length Tolerance ±4 mm Supplier Location California, USA See product details More from OptoSigma
Fixed Magnification Beam Expander	3	9400 nm (Center Wavelength)	Ø 28 x 61 mm	1 weeks	Add to cart to request quote
Product Code Wavelength Range 9400 nm (Center Wavelength) Center Wavelength 9400 nm Diameter 28 mm Dimensions Ø 28 x 61 mm Magnification 3 Length 61 mm Shape Cylindrical Output Beam Diameter 12 mm (Maximum) Pupil Diameter 4 mm Angle of Divergence ±5° Supplier Location New Jersey, USA See product details More from Avantier Inc.
Fixed Magnification Beam Expander	1.75	1064 nm (Center Wavelength)	Ø 30 x 34.8 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 1064 nm (Center Wavelength) Center Wavelength 1064 nm Diameter 30 mm Dimensions Ø 30 x 34.8 mm Magnification 1.75 Length 34.8 mm Shape Cylindrical Output Aperture 22.5 mm Input Aperture 12.4 mm Supplier Location Germany See product details More from asphericon
Fixed Magnification Beam Expander	5	1050 - 1650 nm (Coating Range)	85.5 mm	In stock	$ 588.02
Product Code Wavelength Range 1050 - 1650 nm (Coating Range) Coating BBAR (1050 - 1650 nm) Reflectance < 0.5% (1050 - 1650 nm) < 0.5% (per Surface) Transmittance > 96% (1064 nm) > 97% (1310 nm) > 97% (1550 nm) Dimensions 85.5 mm Magnification 5 Length 85.5 mm (3.37") Damage Threshold Pulsed 3 J/cm² (0.268 mm, 10 ns, 1 Hz, 1542 nm) Coating Features Broadband Input Beam Diameter 5 mm 7 mm (Maximum) Surface Quality 20-10 scratch-dig Supplier Location New Jersey, USA See product details More from Thorlabs
Fixed Magnification Beam Expander	2	532 nm (Center Wavelength)	Ø 30 x 34.8 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 532 nm (Center Wavelength) Center Wavelength 532 nm Diameter 30 mm Dimensions Ø 30 x 34.8 mm Magnification 2 Length 34.8 mm Shape Cylindrical Output Aperture 22.5 mm Input Aperture 10.6 mm Supplier Location Germany See product details More from asphericon
Fixed Magnification Beam Expander	2.5	400 - 700 nm	Ø 36 x 44.4 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 400 - 700 nm Diameter 36 mm Dimensions Ø 36 x 44.4 mm Magnification 2.5 Length 44.4 mm Shape Cylindrical Output Aperture 30 mm (±0.2 mm) Input Aperture 9 mm (±0.1 mm) Weight ~ 43 g Mount Threaded Mount, C-Mount Output Beam Diameter 20 mm (Maximum) Input Beam Diameter 8 mm (Maximum) Supplier Location Japan See product details More from HAMAMATSU
Fixed Magnification Beam Expander	3	500 - 532 nm	Ø 43 x 89 mm	2 weeks	$ 812.00
Product Code Wavelength Range 500 - 532 nm Center Wavelength 500 - 532 nm Transmission Wavelength 532 nm 515 nm 500 - 570 nm 600 - 700 nm Transmittance > 99% (532 nm) > 98% (515 nm) > 98% (500 - 570 nm) > 65% (600 - 700 nm) Diameter 43 mm Dimensions Ø 43 x 89 mm Magnification 3 Length 89 mm Shape Cylindrical Output Aperture Ø 26 mm Weight 210 g Damage Threshold Pulsed 5 J/cm² (10 ns, 20 Hz) Mounting Thread M22x0.75, M40.8x0.75 Clear Aperture Ø 8 mm (Input) Mount Threaded Mount, M22 x 0.75 Threaded Mount, M40.8 x 0.75 Applications Collimation Input Beam Diameter 6 mm (±1°) Supplier Location California, USA See product details More from OptoSigma
Fixed Magnification Beam Expander	7	10600 nm (Center Wavelength)	Ø 36 x 77 mm	1 weeks	Add to cart to request quote
Product Code Wavelength Range 10600 nm (Center Wavelength) Center Wavelength 10600 nm Diameter 36 mm Dimensions Ø 36 x 77 mm Magnification 7 Length 77 mm Shape Cylindrical Output Beam Diameter 28 mm (Maximum) Pupil Diameter 4 mm Supplier Location New Jersey, USA See product details More from Avantier Inc.
Fixed Magnification Beam Expander	5	355 nm	50.3 mm	In stock	$ 190.00
Product Code Wavelength Range 355 nm Center Wavelength 355 nm Coating BBAR (350 - 700 nm) MgF₂ (400 - 700 nm) Reflectance < 1.75% (400 - 700 nm, Average, Element 1) < 0.5% (350 - 700 nm, Average, Element 2) Transmittance > 91% (Minimum) Dimensions 50.3 mm Magnification 5 Length 50.3 mm Output Aperture 10 mm Input Aperture 3.5 mm Weight 89 g Mounting Thread M22x0.75 Substrate Optical Glass (N/S) Clear Aperture 10 mm (Output) 3.5 mm (Input) Mount Threaded Mount, M22 x 0.75 Coating Features Broadband Angle of Incidence 0° Supplier Location New Jersey, USA See product details More from Edmund Optics
Fixed Magnification Beam Expander	2	780 - 830 nm	Ø 60 x 53 mm	6 - 12 weeks	Add to cart to request quote
Product Code Wavelength Range 780 - 830 nm Center Wavelength 780 - 830 nm Diameter 60 mm Dimensions Ø 60 x 53 mm Magnification 2 Length 53 mm (Barrel Length, Excludes Thread) Shape Round Output Aperture 48 mm Input Aperture Ø 15.3 mm Weight 300 g Damage Threshold Pulsed 4 J/cm² (10 ns, 20 Hz, 4 J/cm) Mounting Thread M34 Applications Aberration Correction Collimation Housing Material Aluminum Length Tolerance ±4 mm Supplier Location California, USA See product details More from OptoSigma
Fixed Magnification Beam Expander	1.75	355 nm (Center Wavelength)	Ø 30 x 43.3 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 355 nm (Center Wavelength) Center Wavelength 355 nm Diameter 30 mm Dimensions Ø 30 x 43.3 mm Magnification 1.75 Length 43.3 mm Shape Cylindrical Output Aperture 22.5 mm Input Aperture 12.4 mm Supplier Location Germany See product details More from asphericon
Fixed Magnification Beam Expander	2	10600 nm (Center Wavelength)	Ø 22 x 35 mm	1 weeks	Add to cart to request quote
Product Code Wavelength Range 10600 nm (Center Wavelength) Center Wavelength 10600 nm Diameter 22 mm Dimensions Ø 22 x 35 mm Magnification 2 Length 35 mm Shape Cylindrical Output Beam Diameter 10 mm (Maximum) Pupil Diameter 5 mm Supplier Location New Jersey, USA See product details More from Avantier Inc.
Fixed Magnification Beam Expander	-	400 - 700 nm 400 - 780 nm	Ø 32 x 93 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 400 - 700 nm 400 - 780 nm Diameter 32 mm Dimensions Ø 32 x 93 mm Length 93 mm Shape Cylindrical Weight ~ 130 g Mounting Thread C-Mount Mount Threaded Mount, C-Mount Length Tolerance +18/4 mm Focal Length 100 mm f-Number 3.125 (Calculated) Supplier Location Japan See product details More from HAMAMATSU
Fixed Magnification Beam Expander	2.5	10600 nm (Center Wavelength)	Ø 25 x 55 mm	1 weeks	Add to cart to request quote
Product Code Wavelength Range 10600 nm (Center Wavelength) Center Wavelength 10600 nm Diameter 25 mm Dimensions Ø 25 x 55 mm Magnification 2.5 Length 55 mm Shape Cylindrical Output Beam Diameter 12.5 mm (Maximum) Pupil Diameter 5 mm Supplier Location New Jersey, USA See product details More from Avantier Inc.
Fixed Magnification Beam Expander	2	355 nm (Center Wavelength)	Ø 30 x 43.3 mm	Contact Supplier	Add to cart to request quote
Product Code Wavelength Range 355 nm (Center Wavelength) Center Wavelength 355 nm Diameter 30 mm Dimensions Ø 30 x 43.3 mm Magnification 2 Length 43.3 mm Shape Cylindrical Output Aperture 22.5 mm Input Aperture 10.6 mm Supplier Location Germany See product details More from asphericon
Fixed Magnification Beam Expander	10	532 nm (Center Wavelength)	Ø 57 x 100 mm	6 - 12 weeks	$ 832.00
Product Code Wavelength Range 532 nm (Center Wavelength) Center Wavelength 532 nm Coating Dielectric Diameter 57 mm Dimensions Ø 57 x 100 mm Magnification 10 Length 100 mm (Barrel Length, Excludes Thread) Shape Cylindrical Output Aperture 43 mm Input Aperture 34 mm Weight 450 g Damage Threshold Pulsed 5 J/cm² Mounting Thread M34x1 Substrate Synthetic Fused Silica Clear Aperture Ø 3 mm (Input) Mount Threaded Mount, M34 x 1 Angle of Incidence 0 - 1° Applications Collimation Housing Material Aluminum Length Tolerance ±5 mm Supplier Location California, USA See product details More from OptoSigma
Fixed Magnification Beam Expander	5	355 nm (Center Wavelength)	85.5 mm	In stock	$ 879.06
Product Code Wavelength Range 355 nm (Center Wavelength) Center Wavelength 355 nm Reflection Wavelength 325 - 380 nm 335 - 362 nm 330 - 370 nm Coating AR/Transmissive V-Coating (355 nm) Reflectance < 0.7% (325 - 380 nm) < 0.2% (335 - 362 nm) < 0.2% (330 - 370 nm, Average) Transmittance > 97% (355 nm) Dimensions 85.5 mm Magnification 5 Length 85.5 mm (3.37") Damage Threshold Pulsed 10 J/cm² (0.406 mm, 10 ns, 10 Hz, 355 nm) Substrate UV Fused Silica Coating Features Narrowband Input Beam Diameter 4.3 mm 7 mm (Maximum) Surface Quality 10-5 scratch-dig Supplier Location New Jersey, USA See product details More from Thorlabs