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	-	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 25.5 x 36 x 2 mm Thickness 2 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 25.5mm x 36mm 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
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 24 x 34 x 3 mm Thickness 3 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/4 (waves/inch, Flatness) Blocking 5.6 OD (380 - 387 nm) 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	932 - 1700 nm (Coating Range)	5 mm	> 90% (1260 - 1700 nm, Average) > 85% (1260 - 1700 nm, Absolute)	Contact Supplier	$ 484.67
Product Code Wavelength Range 932 - 1700 nm (Coating Range) Cut-On Wavelength 1180 nm Reflectance > 90% (932 - 1700 nm, Absolute) > 95% (932 - 1700 nm, Average) Transmittance > 90% (1260 - 1700 nm, Average) > 85% (1260 - 1700 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 5 J/cm² (0.25 mm, 10 Hz, 12 ns, 1064 nm) Thickness Tolerance ±0.1 mm Supplier Location New Jersey, USA See product details More from Thorlabs
Longpass Dichroic Beamsplitter	932 - 1700 nm (Coating Range)	1 mm	> 90% (990 - 1600 nm, Average) > 85% (990 - 1600 nm, Absolute)	In stock	$ 593.97
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) 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) 4 J/cm² (1 mm, 10 Hz, 10 ns, 1064 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Longpass Dichroic Beamsplitter	-	1 mm	50.6515% (400 - 750 nm)	In stock	$ 250.00
Product Code Cut-On Wavelength 400 nm Transmission Wavelength 400 - 750 nm Transmittance 50.6515% (400 - 750 nm) Dimensions 18 x 26 x 1 mm Thickness 1 mm Shape Rectangular Applications Fluorescence Supplier Location Vermont, USA Selected Product Option 18mm x 26mm 1mm, unspecified flatness for routine non-laser applications See product details More from Chroma
Longpass Dichroic Beamsplitter	1550 - 2000 nm (Coating Range)	3 mm	> 90% (1550 - 2000 nm, Average) > 85% (1550 - 2000 nm, Absolute)	In stock	$ 310.06
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 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) Supplier Location New Jersey, USA See product details More from Thorlabs
Longpass Dichroic Beamsplitter	-	2 mm	97.228% (585 - 1000 nm)	In stock	$ 425.00
Product Code Cut-On Wavelength 585 nm Transmission Wavelength 585 - 1000 nm Transmittance 97.228% (585 - 1000 nm) Dimensions 25.5 x 36 x 2 mm Thickness 2 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Blocking 7.5 OD (300 - 342 nm) Supplier Location Vermont, USA Selected Product Option 25.5mm x 36mm 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	-	2 mm	97.868% (556 - 850 nm)	In stock	$ 425.00
Product Code Cut-On Wavelength 556 nm Transmission Wavelength 556 - 850 nm Transmittance 97.868% (556 - 850 nm) Dimensions 24 x 34 x 2 mm Thickness 2 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Blocking 3.6 OD (443 - 487 nm) 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	-	2 mm	97.2996% (612 - 750 nm)	In stock	$ 425.00
Product Code Cut-On Wavelength 612 nm Transmission Wavelength 612 - 750 nm Transmittance 97.2996% (612 - 750 nm) Dimensions 25.5 x 36 x 2 mm Thickness 2 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/2 (waves/inch, Flatness) Supplier Location Vermont, USA Selected Product Option 25.5mm x 36mm 2mm UF, ≤ 0.5 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	-	-	93.9138% (440 - 1000 nm)	In stock	$ 175.00
Product Code Cut-On Wavelength 440 nm Transmission Wavelength 440 - 1000 nm Transmittance 93.9138% (440 - 1000 nm) Dimensions 25.5 x 36 mm Shape Rectangular Applications Fluorescence Blocking 3.9 OD (350 - 374 nm) Supplier Location Vermont, USA Selected Product Option 25.5mm x 36mm See product details More from Chroma
Longpass Dichroic Beamsplitter	467 - 750 nm (Transmission) 390 - 460 nm (Reflection)	1 mm	96.3571% (467 - 750 nm)	In stock	$ 400.00
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 18 x 26 x 1 mm Thickness 1 mm Shape Rectangular Applications Fluorescence Surface Irregularity < 2λ (waves/inch, Flatness) Blocking 6.4 OD (380 - 411 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)	1 mm	> 90% (584 - 800 nm, Average) > 85% (584 - 800 nm, Absolute)	In stock	$ 279.16
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) 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 1.5 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	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 18 x 26 x 1 mm Thickness 1 mm Shape Rectangular Applications Fluorescence Surface Irregularity < 2λ (waves/inch, Flatness) Blocking 6.5 OD (403 - 417 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)	3 mm	> 90% (655 - 800 nm, Average) > 85% (655 - 800 nm, Absolute)	In stock	$ 200.76
Product Code Wavelength Range 400 - 800 nm (Coating Range) Cut-On Wavelength 638 nm Reflectance > 90% (400 - 800 nm, Absolute) > 95% (400 - 800 nm, Average) Transmittance > 90% (655 - 800 nm, Average) > 85% (655 - 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	558 - 1000 nm (Transmission) 415 - 548 nm (Reflection)	3 mm	97.8125% (558 - 1000 nm)	In stock	$ 550.00
Product Code Wavelength Range 558 - 1000 nm (Transmission) 415 - 548 nm (Reflection) Cut-On Wavelength 558 nm Transmission Wavelength 558 - 1000 nm Reflection Wavelength 415 - 548 nm Reflectance 99.89421% (415 - 548 nm) Transmittance 97.8125% (558 - 1000 nm) Dimensions 22 x 27 x 3 mm Thickness 3 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/4 (waves/inch, Flatness) Blocking 3.5 OD (384 - 385 nm) 4 OD (991 - 1000 nm) Supplier Location Vermont, USA Selected Product Option 22mm x 27mm 3mm UF, ≤ 0.25 waves/inch surface flatness See product details More from Chroma
Longpass Dichroic Beamsplitter	485 - 900 nm (Transmission) 442 - 477 nm (Reflection)	2 mm	96.6691% (485 - 900 nm)	In stock	$ 525.00
Product Code Wavelength Range 485 - 900 nm (Transmission) 442 - 477 nm (Reflection) Cut-On Wavelength 485 nm Transmission Wavelength 485 - 900 nm Reflection Wavelength 442 - 477 nm Reflectance 99.93999% (442 - 477 nm) Transmittance 96.6691% (485 - 900 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	1020 - 1550 nm (Coating Range)	1 mm	> 90% (1020 - 1550 nm, Average) > 85% (1020 - 1550 nm, Absolute)	In stock	$ 593.97
Product Code Wavelength Range 1020 - 1550 nm (Coating Range) Cut-On Wavelength 1000 nm Reflectance > 90% (1020 - 1550 nm, Absolute) > 95% (1020 - 1550 nm, Average) Transmittance > 90% (1020 - 1550 nm, Average) > 85% (1020 - 1550 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 0.25 J/cm² (0.459 mm, 10 Hz, 10 ns, 1064 nm) Supplier Location New Jersey, USA See product details More from Thorlabs
Longpass Dichroic Beamsplitter	-	3 mm	94.1362% (491 - 900 nm)	In stock	$ 750.00
Product Code Cut-On Wavelength 491 nm Transmission Wavelength 491 - 900 nm Transmittance 94.1362% (491 - 900 nm) Dimensions 24 x 34 x 3 mm Thickness 3 mm Shape Rectangular Applications Fluorescence Raman Surface Irregularity < λ/4 (waves/inch, Flatness) Blocking 5.1 OD (857 - 900 nm) 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	516 - 900 nm (Transmission) 388 - 507 nm (Reflection)	3 mm	98.2757% (516 - 900 nm)	In stock	$ 650.00
Product Code Wavelength Range 516 - 900 nm (Transmission) 388 - 507 nm (Reflection) Cut-On Wavelength 516 nm Transmission Wavelength 516 - 900 nm Reflection Wavelength 388 - 507 nm Reflectance 99.93678% (388 - 507 nm) Transmittance 98.2757% (516 - 900 nm) Dimensions 24 x 34 x 3 mm Thickness 3 mm Shape Rectangular Applications Fluorescence Surface Irregularity < λ/4 (waves/inch, Flatness) Blocking 3.6 OD (408 - 452 nm) 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	96.1222% (588 - 850 nm)	In stock	$ 250.00
Product Code Cut-On Wavelength 588 nm Transmission Wavelength 588 - 850 nm Transmittance 96.1222% (588 - 850 nm) Dimensions 18 x 26 x 1 mm Thickness 1 mm Shape Rectangular Applications Fluorescence Supplier Location Vermont, USA Selected Product Option 18mm x 26mm 1mm, unspecified flatness for routine non-laser applications See product details More from Chroma