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	-	1 mm	97.0584% (590 - 1000 nm)	In stock	$ 325.00
Product Code Cut-On Wavelength 590 nm Transmission Wavelength 590 - 1000 nm Transmittance 97.0584% (590 - 1000 nm) Dimensions 18 x 26 x 1 mm Thickness 1 mm Shape Rectangular Blocking 3.4 OD (488 - 513 nm) Applications Fluorescence Surface Irregularity < 2λ (waves/inch, Flatness) 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	932 - 1700 nm (Coating Range)	3 mm	> 90% (932 - 1300 nm, Average) > 85% (932 - 1300 nm, Absolute)	In stock	$ 236.40
Product Code Wavelength Range 932 - 1700 nm (Coating Range) Cut-On Wavelength 900 nm Reflectance > 90% (932 - 1700 nm, Absolute) Transmittance > 90% (932 - 1300 nm, Average) > 85% (932 - 1300 nm, Absolute) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3 mm Parallelism < 3' Shape Round Substrate UV Fused Silica Angle of Incidence 45° Surface Quality 40-20 scratch-dig Clear Aperture > Ø 22.9 mm Transmitted Wavefront Error < λ/4 (633 nm) Damage Threshold Pulsed 1 J/cm² (0.25 mm, 10 Hz, 10 ns, 532 nm) 6.5 J/cm² (0.25 mm, 10 Hz, 12 ns, 1064 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Longpass Dichroic Beamsplitter	-	2 mm	96.6741% (570 - 750 nm)	In stock	$ 425.00
Product Code Cut-On Wavelength 570 nm Transmission Wavelength 570 - 750 nm Transmittance 96.6741% (570 - 750 nm) Dimensions 22 x 27 x 2 mm Thickness 2 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 22mm x 27mm 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	604 - 1000 nm (Transmission) 450 - 597 nm (Reflection)	1 mm	97.4203% (604 - 1000 nm)	In stock	$ 350.00
Product Code Wavelength Range 604 - 1000 nm (Transmission) 450 - 597 nm (Reflection) Cut-On Wavelength 604 nm Transmission Wavelength 604 - 1000 nm Reflection Wavelength 450 - 597 nm Reflectance 99.87504% (450 - 597 nm) Transmittance 97.4203% (604 - 1000 nm) Dimensions 26 x 38 x 1 mm Thickness 1 mm Shape Rectangular Blocking 6.5 OD (403 - 417 nm) Applications Fluorescence Surface Irregularity < 2λ (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 26mm x 38mm 1mm UF , ≤ 2.0 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	390 - 800 nm (Transmission) 360 - 385 nm (Reflection)	2 mm	98.9643% (390 - 800 nm)	In stock	$ 500.00
Product Code Wavelength Range 390 - 800 nm (Transmission) 360 - 385 nm (Reflection) Cut-On Wavelength 390 nm Transmission Wavelength 390 - 800 nm Reflection Wavelength 360 - 385 nm Reflectance 99.56608% (360 - 385 nm) Transmittance 98.9643% (390 - 800 nm) Dimensions 22 x 29 x 2 mm Thickness 2 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) 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	343 - 1500 nm (Transmission) 298 - 330 nm (Reflection)	2 mm	93.084% (343 - 1500 nm)	In stock	$ 600.00
Product Code Wavelength Range 343 - 1500 nm (Transmission) 298 - 330 nm (Reflection) Cut-On Wavelength 343 nm Transmission Wavelength 343 - 1500 nm Reflection Wavelength 298 - 330 nm Reflectance 99.81477% (298 - 330 nm) Transmittance 93.084% (343 - 1500 nm) Dimensions 26 x 38 x 2 mm Thickness 2 mm Shape Rectangular Blocking 3.4 OD (300 - 311 nm) Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 26mm x 38mm 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	1550 - 2000 nm (Coating Range)	5 mm	> 90% (1550 - 2000 nm, Average) > 85% (1550 - 2000 nm, Absolute)	In stock	$ 666.43
Product Code Wavelength Range 1550 - 2000 nm (Coating Range) Cut-On Wavelength 1500 nm Reflectance > 90% (1550 - 2000 nm, Absolute) > 95% (1550 - 2000 nm, Average) Transmittance > 90% (1550 - 2000 nm, Average) > 85% (1550 - 2000 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) Thickness Tolerance ±0.1 mm Supplier Location New Jersey, USA See product details More from Thorlabs
Longpass Dichroic Beamsplitter	-	2 mm	94.1362% (491 - 900 nm)	In stock	$ 700.00
Product Code Cut-On Wavelength 491 nm Transmission Wavelength 491 - 900 nm Transmittance 94.1362% (491 - 900 nm) Dimensions 18 x 26 x 2 mm Thickness 2 mm Shape Rectangular Blocking 5.1 OD (857 - 900 nm) Applications Fluorescence Raman 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	400 - 800 nm (Coating Range)	1 mm	> 90% (505 - 800 nm, Average) > 85% (505 - 800 nm, Absolute)	In stock	$ 279.16
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) Dimensions 25 x 36 mm Thickness 1 mm Parallelism < 3' Shape Rectangular Substrate UV Fused Silica Angle of Incidence 45° Surface Quality 40-20 scratch-dig Clear Aperture > 22.5 x 32.4 mm Transmitted Wavefront Error < λ/4 (633 nm) Damage Threshold Pulsed 1 J/cm² (0.538 mm, 10 Hz, 10 ns, 532 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Longpass Dichroic Beamsplitter	-	3 mm	99.0829% (770 - 1100 nm)	In stock	$ 475.00
Product Code Cut-On Wavelength 770 nm Transmission Wavelength 770 - 1100 nm Transmittance 99.0829% (770 - 1100 nm) Dimensions 24 x 34 x 3 mm Thickness 3 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/4 (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 24mm x 34mm with Cut Corners For Nikon Eclipse 3mm UF, ≤ 0.25 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	$ 202.00
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 12.5 mm Dimensions Ø 12.5 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 8.8 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	98.1279% (387 - 800 nm)	In stock	$ 475.00
Product Code Cut-On Wavelength 387 nm Transmission Wavelength 387 - 800 nm Transmittance 98.1279% (387 - 800 nm) Dimensions 22 x 27 x 2 mm Thickness 2 mm Shape Rectangular Blocking 5.3 OD (313 - 323 nm) Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 22mm x 27mm 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	-	2 mm	97.0584% (590 - 1000 nm)	In stock	$ 425.00
Product Code Cut-On Wavelength 590 nm Transmission Wavelength 590 - 1000 nm Transmittance 97.0584% (590 - 1000 nm) Dimensions 26 x 38 x 2 mm Thickness 2 mm Shape Rectangular Blocking 3.4 OD (488 - 513 nm) Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 26mm x 38mm 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	400 - 800 nm (Coating Range)	3 mm	> 90% (584 - 800 nm, Average) > 85% (584 - 800 nm, Absolute)	In stock	$ 134.24
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 12.7 mm (0.5") Dimensions Ø 12.7 mm (0.5") Thickness 3 mm Parallelism < 3' Shape Round Substrate UV Fused Silica Angle of Incidence 45° Surface Quality 40-20 scratch-dig Clear Aperture > Ø 11.4 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	467 - 750 nm (Transmission) 390 - 460 nm (Reflection)	3 mm	96.3571% (467 - 750 nm)	In stock	$ 550.00
Product Code Wavelength Range 467 - 750 nm (Transmission) 390 - 460 nm (Reflection) Cut-On Wavelength 467 nm Transmission Wavelength 467 - 750 nm Reflection Wavelength 390 - 460 nm Reflectance 98.81831% (390 - 460 nm) Transmittance 96.3571% (467 - 750 nm) Dimensions 24 x 34 x 3 mm Thickness 3 mm Shape Rectangular Blocking 6.4 OD (380 - 411 nm) Applications Fluorescence Surface Irregularity < λ/4 (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 24mm x 34mm with Cut Corners For Nikon Eclipse 3mm UF, ≤ 0.25 waves/inch surface flatness See product details More from Chroma
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 22 x 29 x 1 mm Thickness 1 mm Shape Rectangular Blocking 3.5 OD (423 - 434 nm) Applications Fluorescence Supplier Location Vermont, USA Selected Product Option 22mm x 29mm 1mm, unspecified flatness for routine non-laser applications See product details More from Chroma
Longpass Dichroic Beamsplitter	-	1 mm	99.0829% (770 - 1100 nm)	In stock	$ 325.00
Product Code Cut-On Wavelength 770 nm Transmission Wavelength 770 - 1100 nm Transmittance 99.0829% (770 - 1100 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	98.1676% (495 - 1000 nm)	In stock	$ 325.00
Product Code Cut-On Wavelength 495 nm Transmission Wavelength 495 - 1000 nm Transmittance 98.1676% (495 - 1000 nm) Dimensions 25.5 x 36 x 1 mm Thickness 1 mm Shape Rectangular Blocking 3.5 OD (380 - 383 nm) 3.9 OD (396 - 401 nm) 3.9 OD (879 - 985 nm) Applications Fluorescence Surface Irregularity < 2λ (waves/inch, Flatness) 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
Longpass Dichroic Beamsplitter	400 - 800 nm (Coating Range)	3 mm	> 90% (440 - 800 nm, Average) > 85% (440 - 800 nm, Absolute)	In stock	$ 200.76
Product Code Wavelength Range 400 - 800 nm (Coating Range) Cut-On Wavelength 425 nm Reflectance > 90% (400 - 800 nm, Absolute) > 95% (400 - 800 nm, Average) Transmittance > 90% (440 - 800 nm, Average) > 85% (440 - 800 nm, Absolute) Diameter 25.4 mm (1") Dimensions Ø 25.4 mm (1") Thickness 3 mm Parallelism < 3' Shape Round Substrate UV Fused Silica Angle of Incidence 45° Surface Quality 40-20 scratch-dig Clear Aperture > Ø 22.9 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	459 - 750 nm (Transmission) 348 - 453 nm (Reflection)	3 mm	98.0166% (459 - 750 nm)	In stock	$ 500.00
Product Code Wavelength Range 459 - 750 nm (Transmission) 348 - 453 nm (Reflection) Cut-On Wavelength 459 nm Transmission Wavelength 459 - 750 nm Reflection Wavelength 348 - 453 nm Reflectance 99.84903% (348 - 453 nm) Transmittance 98.0166% (459 - 750 nm) Dimensions 18 x 26 x 3 mm Thickness 3 mm Shape Rectangular Blocking 5.6 OD (380 - 387 nm) Applications Fluorescence Surface Irregularity < λ/4 (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 18mm x 26mm 3mm UF, ≤ 0.25 waves/inch surface flatness See product details More from Chroma