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	Wavelength Range	Thickness	Transmittance	Availability	Price (USD)
Longpass Dichroic Beamsplitter	578 - 1750 nm (Transmission) 477 - 553 nm (Reflection)	1 mm	83.0702% (578 - 1750 nm)	In stock	$ 500.00
Product Code Wavelength Range 578 - 1750 nm (Transmission) 477 - 553 nm (Reflection) Cut-On Wavelength 578 nm Transmission Wavelength 578 - 1750 nm Reflection Wavelength 477 - 553 nm Reflectance 99.58053% (477 - 553 nm) Transmittance 83.0702% (578 - 1750 nm) Dimensions 24 x 34 x 1 mm Thickness 1 mm Shape Rectangular Applications Fluorescence Surface Irregularity < 2λ (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 24mm x 34mm with Cut Corners For Nikon Eclipse 1mm UF , ≤ 2.0 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	458 - 647 nm	3.5 mm (Mount)	> 95% (488 - 647.1 nm)	In stock	$ 679.00
Product Code Wavelength Range 458 - 647 nm Cut-On Wavelength 480 nm Transmission Wavelength 488 - 647.1 nm Reflection Wavelength 457.9 - 473 nm Coating Hard Coating Reflectance > 98% (457.9 - 473 nm) Transmittance > 95% (488 - 647.1 nm) Diameter 50 mm Dimensions Ø 50 mm Thickness 3.5 mm (Mount) Shape Round Applications Laser Separator/Combiner Substrate Fused Silica Angle of Incidence 45° Surface Quality 60-40 scratch-dig Clear Aperture 45.3 mm Thickness Tolerance ±0.1 mm Diameter Tolerance +0/-0.1 mm Supplier Location New Jersey, USA See product details More from Edmund Optics
Longpass Dichroic Beamsplitter	932 - 1700 nm (Coating Range)	5 mm	> 90% (990 - 1600 nm, Average) > 85% (990 - 1600 nm, Absolute)	In stock	$ 666.43
Product Code Wavelength Range 932 - 1700 nm (Coating Range) Cut-On Wavelength 950 nm Reflectance > 90% (932 - 1700 nm, Absolute) > 95% (932 - 1700 nm, Average) Transmittance > 90% (990 - 1600 nm, Average) > 85% (990 - 1600 nm, Absolute) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5 mm Parallelism < 3' Shape Round Substrate UV Fused Silica Angle of Incidence 45° Surface Quality 40-20 scratch-dig Clear Aperture > Ø 45.7 mm Transmitted Wavefront Error < λ/4 (633 nm) Damage Threshold Pulsed 1 J/cm² (0.538 mm, 10 Hz, 10 ns, 532 nm) 4 J/cm² (1 mm, 10 Hz, 10 ns, 1064 nm) Thickness Tolerance ±0.1 mm Supplier Location New Jersey, USA See product details More from Thorlabs
Longpass Dichroic Beamsplitter	-	1 mm	96.7146% (635 - 850 nm)	In stock	$ 250.00
Product Code Cut-On Wavelength 635 nm Transmission Wavelength 635 - 850 nm Transmittance 96.7146% (635 - 850 nm) Dimensions 24 x 34 x 1 mm Thickness 1 mm Shape Rectangular Applications Fluorescence Blocking 3.5 OD (423 - 434 nm) Supplier Location Vermont, USA Selected Product Option 24mm x 34mm with Cut Corners For Nikon Eclipse 1mm, unspecified flatness for routine non-laser applications See product details More from Chroma
Longpass Dichroic Beamsplitter	633 - 790 nm	3.5 mm (Mount)	> 95% (671 - 790 nm)	In stock	$ 679.00
Product Code Wavelength Range 633 - 790 nm Cut-On Wavelength 659 nm Transmission Wavelength 671 - 790 nm Reflection Wavelength 632.8 - 647.1 nm Coating Hard Coating Reflectance > 98% (632.8 - 647.1 nm) Transmittance > 95% (671 - 790 nm) Diameter 50 mm Dimensions Ø 50 mm Thickness 3.5 mm (Mount) Shape Round Applications Laser Separator/Combiner Substrate Fused Silica Angle of Incidence 45° Surface Quality 60-40 scratch-dig Clear Aperture 45.3 mm Thickness Tolerance ±0.1 mm Diameter Tolerance +0/-0.1 mm Supplier Location New Jersey, USA See product details More from Edmund Optics
Longpass Dichroic Beamsplitter	-	1 mm	96.6741% (570 - 750 nm)	In stock	$ 250.00
Product Code Cut-On Wavelength 570 nm Transmission Wavelength 570 - 750 nm Transmittance 96.6741% (570 - 750 nm) Dimensions 25.5 x 36 x 1 mm Thickness 1 mm Shape Rectangular Applications Fluorescence Supplier Location Vermont, USA Selected Product Option 25.5mm x 36mm 1mm, unspecified flatness for routine non-laser applications See product details More from Chroma
Longpass Dichroic Beamsplitter	523 - 1200 nm (Transmission) 398 - 516 nm (Reflection)	3 mm	97.4563% (523 - 1200 nm)	In stock	$ 500.00
Product Code Wavelength Range 523 - 1200 nm (Transmission) 398 - 516 nm (Reflection) Cut-On Wavelength 523 nm Transmission Wavelength 523 - 1200 nm Reflection Wavelength 398 - 516 nm Reflectance 99.7685% (398 - 516 nm) Transmittance 97.4563% (523 - 1200 nm) Dimensions 26 x 38 x 3 mm Thickness 3 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/4 (waves/inch, Flatness) Blocking 4.5 OD (917 - 1059 nm) Supplier Location Vermont, USA Selected Product Option 26mm x 38mm 3mm UF, ≤ 0.25 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	-	1 mm	97.9297% (562 - 1200 nm)	In stock	$ 250.00
Product Code Cut-On Wavelength 562 nm Transmission Wavelength 562 - 1200 nm Transmittance 97.9297% (562 - 1200 nm) Diameter 25 mm Dimensions Ø 25 mm Thickness 1 mm Shape Round Applications Fluorescence Blocking 4.4 OD (303 - 304 nm) Supplier Location Vermont, USA Selected Product Option 25mm Diameter 1mm, unspecified flatness for routine non-laser applications See product details More from Chroma
Longpass Dichroic Beamsplitter	400 - 800 nm (Coating Range)	5 mm	> 90% (584 - 800 nm, Average) > 85% (584 - 800 nm, Absolute)	In stock	$ 363.50
Product Code Wavelength Range 400 - 800 nm (Coating Range) Cut-On Wavelength 567 nm Reflectance > 90% (400 - 800 nm, Absolute) > 95% (400 - 800 nm, Average) Transmittance > 90% (584 - 800 nm, Average) > 85% (584 - 800 nm, Absolute) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5 mm Parallelism < 3' Shape Round Substrate UV Fused Silica Angle of Incidence 45° Surface Quality 40-20 scratch-dig Clear Aperture > Ø 45.7 mm Transmitted Wavefront Error < λ/4 (633 nm) Damage Threshold Pulsed 1.5 J/cm² (0.25 mm, 10 Hz, 10 ns, 532 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Longpass Dichroic Beamsplitter	-	1 mm	98.3374% (470 - 1000 nm)	In stock	$ 250.00
Product Code Cut-On Wavelength 470 nm Transmission Wavelength 470 - 1000 nm Transmittance 98.3374% (470 - 1000 nm) Dimensions 22 x 27 x 1 mm Thickness 1 mm Shape Rectangular Applications Fluorescence Blocking 5.1 OD (300 - 305 nm) 5.5 OD (306 - 342 nm) 4.8 OD (364 - 387 nm) 3.8 OD (395 - 396 nm) 4 OD (820 - 934 nm) Supplier Location Vermont, USA Selected Product Option 22mm x 27mm 1mm, unspecified flatness for routine non-laser applications See product details More from Chroma
Longpass Dichroic Beamsplitter	652 - 1200 nm (Transmission) 500 - 645 nm (Reflection)	2 mm	96.8115% (652 - 1200 nm)	In stock	$ 450.00
Product Code Wavelength Range 652 - 1200 nm (Transmission) 500 - 645 nm (Reflection) Cut-On Wavelength 652 nm Transmission Wavelength 652 - 1200 nm Reflection Wavelength 500 - 645 nm Reflectance 99.4191% (500 - 645 nm) Transmittance 96.8115% (652 - 1200 nm) Dimensions 18 x 26 x 2 mm Thickness 2 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Blocking 4.5 OD (432 - 446 nm) 3.6 OD (1145 - 1150 nm) 4.4 OD (1159 - 1160 nm) 4.4 OD (1169 - 1170 nm) 3.4 OD (1173 - 1175 nm) 4.1 OD (1180 - 1181 nm) 4.2 OD (1188 - 1189 nm) 4.7 OD (1193 - 1195 nm) Supplier Location Vermont, USA Selected Product Option 18mm x 26mm 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	-	2 mm	96.1222% (588 - 850 nm)	In stock	$ 425.00
Product Code Cut-On Wavelength 588 nm Transmission Wavelength 588 - 850 nm Transmittance 96.1222% (588 - 850 nm) Dimensions 18 x 26 x 2 mm Thickness 2 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 18mm x 26mm 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	575 - 850 nm (Transmission) 390 - 562 nm (Reflection)	2 mm	98.211% (575 - 850 nm)	In stock	$ 600.00
Product Code Wavelength Range 575 - 850 nm (Transmission) 390 - 562 nm (Reflection) Cut-On Wavelength 575 nm Transmission Wavelength 575 - 850 nm Reflection Wavelength 390 - 562 nm Reflectance 99.9995% (390 - 562 nm) Transmittance 98.211% (575 - 850 nm) Dimensions 22 x 29 x 2 mm Thickness 2 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Blocking 3.8 OD (392 - 399 nm) 4.3 OD (434 - 496 nm) Supplier Location Vermont, USA Selected Product Option 22mm x 29mm 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	-	1 mm	98.5762% (600 - 900 nm)	In stock	$ 325.00
Product Code Cut-On Wavelength 600 nm Transmission Wavelength 600 - 900 nm Transmittance 98.5762% (600 - 900 nm) Dimensions 18 x 26 x 1 mm Thickness 1 mm Shape Rectangular Applications Fluorescence Surface Irregularity < 2λ (waves/inch, Flatness) Blocking 3.4 OD (404 - 407 nm) 3.5 OD (485 - 524 nm) Supplier Location Vermont, USA Selected Product Option 18mm x 26mm 1mm UF, ≤ 2.0 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	400 - 800 nm (Coating Range)	5 mm	> 90% (505 - 800 nm, Average) > 85% (505 - 800 nm, Absolute)	In stock	$ 363.50
Product Code Wavelength Range 400 - 800 nm (Coating Range) Cut-On Wavelength 490 nm Reflectance > 90% (400 - 800 nm, Absolute) > 95% (400 - 800 nm, Average) Transmittance > 90% (505 - 800 nm, Average) > 85% (505 - 800 nm, Absolute) Diameter 50.8 mm (2") Dimensions Ø 50.8 mm (2") Thickness 5 mm Parallelism < 3' Shape Round Substrate UV Fused Silica Angle of Incidence 45° Surface Quality 40-20 scratch-dig Clear Aperture > Ø 45.7 mm Transmitted Wavefront Error < λ/4 (633 nm) Damage Threshold Pulsed 1 J/cm² (0.538 mm, 10 Hz, 10 ns, 532 nm) Thickness Tolerance ±0.1 mm Supplier Location New Jersey, USA See product details More from Thorlabs
Longpass Dichroic Beamsplitter	515 - 790 nm	3.5 mm (Mount)	> 95% (561.4 - 790 nm)	In stock	$ 280.00
Product Code Wavelength Range 515 - 790 nm Cut-On Wavelength 552 nm Transmission Wavelength 561.4 - 790 nm Reflection Wavelength 514.5 - 543.5 nm Coating Hard Coating Reflectance > 98% (514.5 - 543.5 nm) Transmittance > 95% (561.4 - 790 nm) Diameter 25 mm Dimensions Ø 25 mm Thickness 3.5 mm (Mount) Shape Round Applications Laser Separator/Combiner Substrate Fused Silica Angle of Incidence 45° Surface Quality 60-40 scratch-dig Clear Aperture 21.3 mm Thickness Tolerance ±0.1 mm Diameter Tolerance +0/-0.1 mm Supplier Location New Jersey, USA See product details More from Edmund Optics
Longpass Dichroic Beamsplitter	-	2 mm	50.6515% (400 - 750 nm)	In stock	$ 425.00
Product Code Cut-On Wavelength 400 nm Transmission Wavelength 400 - 750 nm Transmittance 50.6515% (400 - 750 nm) Dimensions 24 x 34 x 2 mm Thickness 2 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 24mm x 34mm with Cut Corners For Nikon Eclipse 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	-	1 mm	98.1676% (495 - 1000 nm)	In stock	$ 250.00
Product Code Cut-On Wavelength 495 nm Transmission Wavelength 495 - 1000 nm Transmittance 98.1676% (495 - 1000 nm) Diameter 25 mm Dimensions Ø 25 mm Thickness 1 mm Shape Round Applications Fluorescence Blocking 3.5 OD (380 - 383 nm) 3.9 OD (396 - 401 nm) 3.9 OD (879 - 985 nm) Supplier Location Vermont, USA Selected Product Option 25mm Diameter 1mm, unspecified flatness for routine non-laser applications See product details More from Chroma
Longpass Dichroic Beamsplitter	423 - 750 nm (Transmission) 388 - 418 nm (Reflection)	1 mm	98.3315% (423 - 750 nm)	In stock	$ 350.00
Product Code Wavelength Range 423 - 750 nm (Transmission) 388 - 418 nm (Reflection) Cut-On Wavelength 423 nm Transmission Wavelength 423 - 750 nm Reflection Wavelength 388 - 418 nm Reflectance 99.91882% (388 - 418 nm) Transmittance 98.3315% (423 - 750 nm) Dimensions 22 x 29 x 1 mm Thickness 1 mm Shape Rectangular Applications Fluorescence Surface Irregularity < 2λ (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 22mm x 29mm 1mm UF , ≤ 2.0 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	-	1 mm	97.228% (585 - 1000 nm)	In stock	$ 325.00
Product Code Cut-On Wavelength 585 nm Transmission Wavelength 585 - 1000 nm Transmittance 97.228% (585 - 1000 nm) Dimensions 25.5 x 36 x 1 mm Thickness 1 mm Shape Rectangular Applications Fluorescence Surface Irregularity < 2λ (waves/inch, Flatness) Blocking 7.5 OD (300 - 342 nm) Supplier Location Vermont, USA Selected Product Option 25.5mm x 36mm 1mm UF, ≤ 2.0 waves/inch surface flatness See product details More from Chroma