Plate Beamsplitters

Optical components, so called optical separators, with flat and parallel surfaces, designed for splitting incident light into two beams with different or similar wavelengths.

Product	Split Ratio (R:T)	Wavelength Range	Thickness	Availability	Price (USD)
Shortpass Dichroic Beamsplitter	-	750 - 1100 nm (Coating Range)	5 mm	In stock	$ 666.43
Product Code Wavelength Range 750 - 1100 nm (Coating Range) Cut-Off Wavelength 1180 nm Reflectance > 90% (750 - 1100 nm, Absolute) > 95% (750 - 1100 nm, Average) Transmittance > 90% (750 - 1100 nm, Average) > 85% (750 - 1100 nm, Absolute) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5 mm Clear Aperture > Ø 45.72 mm Shape Round Transmitted Wavefront Error λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Damage Threshold Pulsed 3 J/cm² (1 mm, 10 Hz, 10 ns, 1064 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	380 - 763 nm (Transmission) 775 - 1200 nm (Reflection)	1 mm	In stock	$ 475.00
Product Code Wavelength Range 380 - 763 nm (Transmission) 775 - 1200 nm (Reflection) Cut-Off Wavelength 747 nm Reflection Wavelength 775 - 1200 nm Transmission Wavelength 380 - 763 nm Reflectance 99.06851% (775 - 1200 nm) Transmittance 91.73091% (380 - 763 nm) Dimensions 22 x 29 x 1 mm Thickness 1 mm Shape Rectangular Surface Irregularity < 2λ (waves/inch, Flatness) Applications Multiphoton Fluorescence Supplier Location Vermont, USA Selected Product Option 22mm x 29mm 1mm UF , ≤ 2.0 waves/inch surface flatness See product details More from Chroma
Shortpass Dichroic Beamsplitter	-	420 - 900 nm (Coating Range)	-	In stock	$ 666.43
Product Code Wavelength Range 420 - 900 nm (Coating Range) Cut-Off Wavelength 950 nm Reflectance > 90% (420 - 900 nm, Absolute) > 95% (420 - 900 nm, Average) Transmittance > 90% (420 - 900 nm, Average) > 85% (420 - 900 nm, Absolute) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Clear Aperture > 45.72 mm Shape Round Transmitted Wavefront Error λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	750 - 1100 nm (Coating Range)	3.2 mm	In stock	$ 206.69
Product Code Wavelength Range 750 - 1100 nm (Coating Range) Cut-Off Wavelength 1180 nm Reflectance > 90% (750 - 1100 nm, Absolute) > 95% (750 - 1100 nm, Average) Transmittance > 90% (750 - 1100 nm, Average) > 85% (750 - 1100 nm, Absolute) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3.2 mm Clear Aperture > Ø 11.43 mm Shape Round Transmitted Wavefront Error λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Damage Threshold Pulsed 3 J/cm² (1 mm, 10 Hz, 10 ns, 1064 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	420 - 900 nm (Coating Range)	-	In stock	$ 310.06
Product Code Wavelength Range 420 - 900 nm (Coating Range) Cut-Off Wavelength 950 nm Reflectance > 90% (420 - 900 nm, Absolute) > 95% (420 - 900 nm, Average) Transmittance > 90% (420 - 900 nm, Average) > 85% (420 - 900 nm, Absolute) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Clear Aperture > 22.86 mm Shape Round Transmitted Wavefront Error λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	1500 - 1750 nm (Coating Range)	3.2 mm	Contact Supplier	$ 206.69
Product Code Wavelength Range 1500 - 1750 nm (Coating Range) Cut-Off Wavelength 1800 nm Reflectance > 90% (1500 - 1750 nm, Absolute) > 95% (1500 - 1750 nm, Average) Transmittance > 90% (1500 - 1750 nm, Average) > 85% (1500 - 1750 nm, Absolute) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3.2 mm Clear Aperture > Ø 11.43 mm Shape Round Transmitted Wavefront Error < λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	400 - 872 nm (Coating Range)	1 mm	In stock	$ 593.97
Product Code Wavelength Range 400 - 872 nm (Coating Range) Cut-Off Wavelength 900 nm Reflectance > 90% (400 - 872 nm, Absolute) > 95% (400 - 872 nm, Average) Transmittance > 90% (400 - 872 nm, Average) > 85% (400 - 872 nm, Absolute) Dimensions 25 x 36 mm Thickness 1 mm Clear Aperture > 22.5 x 32.4 mm Shape Rectangular Transmitted Wavefront Error < λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	400 - 1100 nm (Coating Range)	3 mm	Contact Supplier	$ 1575.88
Product Code Wavelength Range 400 - 1100 nm (Coating Range) Cut-Off Wavelength 820 nm Reflectance > 96% (400 - 1100 nm, Average) Transmittance > 93% (400 - 800 nm, Average) Dimensions 35 x 52 mm Thickness 3 mm Clear Aperture > 29.75 x 44.2 mm Shape Rectangular Transmitted Wavefront Error λ/4 (632.8 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	400 - 633 nm (Coating Range)	5 mm	In stock	$ 666.43
Product Code Wavelength Range 400 - 633 nm (Coating Range) Cut-Off Wavelength 650 nm Reflectance > 90% (400 - 633 nm, Absolute) > 95% (400 - 633 nm, Average) Transmittance > 90% (410 - 633 nm, Average) > 85% (410 - 633 nm, Absolute) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5 mm Clear Aperture > Ø 45.72 mm Shape Round Transmitted Wavefront Error < λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Damage Threshold Pulsed 2 J/cm² (0.32 mm, 10 Hz, 10 ns, 532 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	50.35:49.65	400 - 660 nm (Coating Range)	3 mm	In stock	$ 1243.79
Product Code Wavelength Range 400 - 660 nm (Coating Range) Cut-Off Wavelength 680 nm Reflectance > 95% (400 - 660 nm, Average) Transmittance > 95% (400 - 660 nm, Average) Dimensions 35 x 52 mm Thickness 3 mm Split Ratio (R:T) 50.35:49.65 Clear Aperture > 29.75 x 44.2 mm Shape Rectangular Transmitted Wavefront Error < λ/4 (632.8 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Reflected Wavefront Error < λ/4 (632.8 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	580 - 621 nm (Coating Range)	5 mm	In stock	$ 666.43
Product Code Wavelength Range 580 - 621 nm (Coating Range) Cut-Off Wavelength 638 nm Reflectance > 90% (580 - 621 nm, Absolute) > 95% (580 - 621 nm, Average) Transmittance > 90% (580 - 621 nm, Average) > 85% (580 - 621 nm, Absolute) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5 mm Clear Aperture > Ø 45.72 mm Shape Round Transmitted Wavefront Error < λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	390 - 490 nm (Coating Range)	3.2 mm	In stock	$ 310.06
Product Code Wavelength Range 390 - 490 nm (Coating Range) Cut-Off Wavelength 505 nm Reflectance > 90% (390 - 490 nm, Absolute) > 95% (390 - 490 nm, Average) Transmittance > 90% (390 - 490 nm, Average) > 85% (390 - 490 nm, Absolute) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3.2 mm Clear Aperture > Ø 22.86 mm Shape Round Transmitted Wavefront Error < λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	390 - 490 nm (Coating Range)	1 mm	In stock	$ 593.97
Product Code Wavelength Range 390 - 490 nm (Coating Range) Cut-Off Wavelength 505 nm Reflectance > 90% (390 - 490 nm, Absolute) > 95% (390 - 490 nm, Average) Transmittance > 90% (390 - 490 nm, Average) > 85% (390 - 490 nm, Absolute) Dimensions 25 x 36 mm Thickness 1 mm Clear Aperture > 22.5 x 32.4 mm Shape Rectangular Transmitted Wavefront Error < λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	51.48:48.52	1000 - 1175 nm (Coating Range)	3.2 mm	In stock	$ 206.69
Product Code Wavelength Range 1000 - 1175 nm (Coating Range) Cut-Off Wavelength 1200 nm Reflectance > 99% (1000 - 1175 nm, Average) Transmittance > 93% (1000 - 1175 nm, Average) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3.2 mm Split Ratio (R:T) 51.48:48.52 Clear Aperture > Ø 11.43 mm Shape Round Transmitted Wavefront Error λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	400 - 800 nm (Coating Range)	3.2 mm	In stock	$ 310.06
Product Code Wavelength Range 400 - 800 nm (Coating Range) Cut-Off Wavelength 805 nm Reflectance > 90% (400 - 800 nm, Absolute) > 95% (400 - 800 nm, Average) Transmittance > 90% (400 - 788 nm, Average) > 85% (400 - 788 nm, Absolute) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3.2 mm Clear Aperture > Ø 22.86 mm Shape Round Transmitted Wavefront Error λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Damage Threshold Pulsed 1 J/cm² (0.25 mm, 10 Hz, 10 ns, 532 nm) 2 J/cm² (0.45 mm, 10 Hz, 10 ns, 1064 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	400 - 800 nm (Coating Range)	5 mm	In stock	$ 666.43
Product Code Wavelength Range 400 - 800 nm (Coating Range) Cut-Off Wavelength 805 nm Reflectance > 90% (400 - 800 nm, Absolute) > 95% (400 - 800 nm, Average) Transmittance > 90% (400 - 788 nm, Average) > 85% (400 - 788 nm, Absolute) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5 mm Clear Aperture > Ø 45.72 mm Shape Round Transmitted Wavefront Error λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Damage Threshold Pulsed 1 J/cm² (0.25 mm, 10 Hz, 10 ns, 532 nm) 2 J/cm² (0.45 mm, 10 Hz, 10 ns, 1064 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	655 - 1181 nm	2 mm	In stock	$ 575.00
Product Code Wavelength Range 655 - 1181 nm Center Wavelength 392 - 918 nm Cut-Off Wavelength 903 nm Reflection Wavelength 930 - 1160 nm Transmission Wavelength 392 - 918 nm Reflectance 99.75793% (930 - 1160 nm) Transmittance 92.57833% (392 - 918 nm) Diameter 25 mm Dimensions Ø 25 mm Thickness 2 mm Shape Round Surface Irregularity < λ/2 (waves/inch, Flatness) Applications Fluorescence Bandwidth (FWHM) 526 nm Supplier Location Vermont, USA Selected Product Option 25mm Diameter 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
Shortpass Dichroic Beamsplitter	-	390 - 490 nm (Coating Range)	5 mm	In stock	$ 666.43
Product Code Wavelength Range 390 - 490 nm (Coating Range) Cut-Off Wavelength 505 nm Reflectance > 90% (390 - 490 nm, Absolute) > 95% (390 - 490 nm, Average) Transmittance > 90% (390 - 490 nm, Average) > 85% (390 - 490 nm, Absolute) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5 mm Clear Aperture > Ø 45.72 mm Shape Round Transmitted Wavefront Error < λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	580 - 621 nm (Coating Range)	3.2 mm	In stock	$ 206.69
Product Code Wavelength Range 580 - 621 nm (Coating Range) Cut-Off Wavelength 638 nm Reflectance > 90% (580 - 621 nm, Absolute) > 95% (580 - 621 nm, Average) Transmittance > 90% (580 - 621 nm, Average) > 85% (580 - 621 nm, Absolute) Diameter 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3.2 mm Clear Aperture > Ø 11.43 mm Shape Round Transmitted Wavefront Error < λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs
Shortpass Dichroic Beamsplitter	-	470 - 590 nm (Coating Range)	3.2 mm	In stock	$ 310.06
Product Code Wavelength Range 470 - 590 nm (Coating Range) Cut-Off Wavelength 605 nm Reflectance > 90% (470 - 590 nm, Absolute) > 95% (470 - 590 nm, Average) Transmittance > 90% (470 - 590 nm, Average) > 85% (470 - 590 nm, Absolute) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3.2 mm Clear Aperture > Ø 22.86 mm Shape Round Transmitted Wavefront Error < λ/4 (633 nm) Angle of Incidence 45° Surface Quality 40-20 scratch-dig Substrate UV Fused Silica Supplier Location New Jersey, USA See product details More from Thorlabs